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27. Glyphidrilus gangeticus Gates, 1958 (���1955���) Glyphidrilus gangeticus Gates, 1958b: 55. T. Saharanpur, Uttar Pradesh, India. D. Assam: Unspecified localities (Rajkhowa et al. 2015). Tripura: Unspecified localities (Chaudhuri et al. 2012 - doubtful identity)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 283, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Gates, G. E. (1958 b) On Indian and Burmese earthworms of the genus Glyphidrilus. Records of the Indian Museum, 53 (1 & 2), 53 - 65. [imprint 1955]","Rajkhowa, D. J., Bhattacharyya, P. N., Sarma, A. K., and Mahanta, K. (2015) Diversity and distribution of earthworms in different soil habitats of Assam, North-East India, an Indo-Burma Biodiversity Hotspot. Proceedings of the National Academy of Sciences, India Section B: Biological Sciences, 85 (2), 389 - 396. https: // doi. org / 10.1007 / s 40011 - 014 - 0380 - 1","Chaudhuri, P. S., Dey, A., Bhattacharjee, G. & Nath, S. (2012) Earthworm diversity in Tripura - present status. Science & Culture, 78 (7 - 8), 343 - 346."]}

5. Drawida constricta Gates, 1929 Drawida constricta Gates, 1929: 10. T. Mandalay, Myanmar. D. Arunachal Pradesh: Taliha (Julka 1981)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 279, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Gates, G. E. (1929) A summary of the earthworm fauna of Burma with descriptions of fourteen new species. Proceedings of the United States National Museum, 75, 1 - 41. https: // doi. org / 10.5479 / si. 00963801.75 - 2781.1","Julka, J. M. (1981) Taxonomic studies on the earthworms collected during the Subansiri Expedition in Arunachal Pradesh, India. Records of the Zoological Survey of India, Miscellaneous Publication, Occasional Paper, No. 26, 1 - 53."]}

38. Argilophilus sikkimensis (Michaelsen, 1907) Plutellus sikkimensis Michaelsen, 1907: 147. Argilophilus sikkimensis (Michaelsen). Blakemore 2007: 29. T. Sandakphu, district Darjeeling, West Bengal, India. D. West Bengal., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 284, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Michaelsen, W. (1907) Neue Oligochaeten von Vorder-Indien, Ceylon, Birma, und den Andaman-Inseln. Jahrbuch der Hamburgischen Wissenschaftlichen Anstalten, Hamburg, 24 (2), 143 - 188.","Blakemore, R. J. (2007) Checklist of 505 earthworms species from India, Sri Lanka and the adjacent regions (excluding Myanmar) compiled from various sources [e. g. Stephenson (1923), Gates (1972), Julka (1988) etc.]. In: Blakemore, R. J. (Ed.), A series of searchable texts on earthworm biodiversity, ecology and systematic from various regions of the world. 3 rd Edition. Available from: http: // www. annelida. net / earthworm (accessed 1 March 2020)"]}

62. Lennogaster yeicus (Stephenson, 1931) Eudichogaster yeicus Stephenson, 1931b: 193. Lennogaster yeicus (Stephenson). Julka 1988a: 257 (for further synonymy). T. Chaungson, district Amherst, Myanmar. D. Tripura: Unspecified localities (Chaudhuri et al. 2009, 2012; Jamatia & Chaudhuri 2017)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 288, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Stephenson, J. (1931 b) Descriptions of Indian Oligochaeta. II. Records of the Indian Museum, 33, 173 - 202.","Julka, J. M. (1988 a) The Fauna of India and the adjacent countries. Megadrile Oligochaeta (Earthworms). Haplotaxida: Lumbricina: Megascolecoidea: Octochaetidae. Zoological Survey of India, Calcutta, 400 pp.","Chaudhuri, P. S., Nath, S., Bhattacharjee, S. & Paliwal, R. (2009) Biomass, density and diversity of earthworms under rubber (Hevea brasiliensis) plantations in Tripura, India. The Bioscan, 4 (3), 475 - 479.","Chaudhuri, P. S., Dey, A., Bhattacharjee, G. & Nath, S. (2012) Earthworm diversity in Tripura - present status. Science & Culture, 78 (7 - 8), 343 - 346.","Jamatia, S. K. S. & Chaudhuri, P. S. (2017) Earthworm community structure under tea plantations (Camellia sinensis) of Tripura (India). Tropical Ecology, 58, 105 - 113."]}

82. Metaphire peguana (Rosa, 1890) Perichaeta peguana Rosa, 1890b: 113. Metaphire peguana (Rosa). Blakemore 2010: 462 (for complete synonymy). T. Rangoon, Myanmar. D. Tripura: Unspecified localities (Chaudhuri & Bhattacharjee 2005; Chaudhuri et al. 2012)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 291, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Rosa, D. (1890 b) Viaggio di Leonardo Fea in Birmanica e regioni vicini, XXVI. Perichaetidi. Annali del Museo civico di storia naturale Giacomo Doria, 10, 107 - 122.","Blakemore, R. J. (2010) Cosmopolitan Earthworms-an Eco-Taxonomic Guide to the Peregrine Species of the World. 4 th Edition. VermEcology So (i) lutions, Yokohama, 850 pp., 350 figs., Internet links. [December 2010]","Chaudhuri, P. S., Dey, A., Bhattacharjee, G. & Nath, S. (2012) Earthworm diversity in Tripura - present status. Science & Culture, 78 (7 - 8), 343 - 346."]}

124. Tonoscolex kabakensis Julka, 1981 Tonoscolex kabakensis Julka, 1981: 30. T. Kabak, district Subansiri, Arunachal Pradesh, India. D. Arunachal Pradesh., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 296, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Julka, J. M. (1981) Taxonomic studies on the earthworms collected during the Subansiri Expedition in Arunachal Pradesh, India. Records of the Zoological Survey of India, Miscellaneous Publication, Occasional Paper, No. 26, 1 - 53."]}

123. Tonoscolex indicus Julka, 1981 Tonoscolex indicus Julka, 1981: 29. T. Siki, district Subansiri, Arunachal Pradesh, India. D. Arunachal Pradesh: Taliha (Julka 1981), Seiom (Julka 1981), Ayumuring (Julka 1981), Doginalo (Julka 1981), Lemeking (Julka 1981)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 295, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Julka, J. M. (1981) Taxonomic studies on the earthworms collected during the Subansiri Expedition in Arunachal Pradesh, India. Records of the Zoological Survey of India, Miscellaneous Publication, Occasional Paper, No. 26, 1 - 53."]}

58. Eutyphoeus orientalis (Beddard, 1883) Typhoeus orientalis Beddard, 1883: 219. Eutyphoeus orientalis (Beddard). Julka 1988a: 161 (for further synonyms). T. Kolkata (formerly Calcutta), West Bengal, India. D. Tripura: Ramnagar (Halder 2000), Jamaibari (Halder 2000), unspecified localities (Jamatia & Chaudhuri 2017)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 287, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Beddard, F. E. (1883) Note on some earthworms from India. Annals and Magazine of Natural History, Series 6, 12 (70), 213 - 224. https: // doi. org / 10.1080 / 00222938309459619","Julka, J. M. (1988 a) The Fauna of India and the adjacent countries. Megadrile Oligochaeta (Earthworms). Haplotaxida: Lumbricina: Megascolecoidea: Octochaetidae. Zoological Survey of India, Calcutta, 400 pp.","Halder, K. R. (2000) Oligochaeta: Earthworm. In: State Fauna. Series 7. Fauna of Tripura. Part 4. Zoological Survey of India, Calcutta, pp. 239 - 236.","Jamatia, S. K. S. & Chaudhuri, P. S. (2017) Earthworm community structure under tea plantations (Camellia sinensis) of Tripura (India). Tropical Ecology, 58, 105 - 113."]}

40. Eukerria kuekenthali (Michaelsen, 1908) Kerria k��kenthali Michaelsen, 1908: 24. Eukerria kuekenthali (Michaelsen). Christoffersen 2008: 100 (for further synonymy). T. St. Thomas, West Indies. D. Sikkim: Mangan (Subedi & Saxena 2009)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 284, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Michaelsen, W. (1908) Die Oligochaten Westindiens. Zoologische Jahrbucher, Abteilung fur Systematik, Jena, Supplement, 11, 13 - 32.","Christoffersen, M. L. (2008) A catalogue of the Ocnerodrilidae (Annelida, Oligochaeta) from South America. Italian Journal of Zoology, 75 (1), 97 - 107. https: // doi. org / 10.1080 / 11250000701695250","Subedi, H. P. & Saxena, R. M. (2009) New record of earthworm Eukerria kuekenthali (Oligochaeta: Ocnerodrilidae) from Sikkim, India. Journal of Applied and Natural Science, 1 (2), 250 - 252. https: // doi. org / 10.31018 / jans. v 1 i 2.65"]}

49. Eutyphoeus callosus Gates, 1938 Eutyphoeus callosus Gates, 1938: 67. T. Dumpep, Meghalaya, India. D. Meghalaya: Jowai (Halder 1999b), Riangdo village (Kharkongor 2018). Tripura: Unspecified localities (Chaudhuri et al. 2009, 2012)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 286, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Gates, G. E. (1938) Indian earthworms. III. The genus Eutyphoeus. Records of the Indian Museum, 40, 39 - 119.","Halder, K. R. (1999 b) Oligochaeta: Earthworm. In: State Fauna. Series 4. Fauna of Meghalaya. Part 9. Zoological Survey of India, Calcutta, pp. 393 - 439.","Kharkongor, I. J. (2018) Taxonomic and ecological studies on the earthworms (Annelida: Oligochaeta) of West Khasi Hills District, Meghalaya. Records of the Zoological Survey of India, 118, 56 - 74. https: // doi. org / 10.26515 / rzsi / v 118 / i 1 / 2018 / 123034","Chaudhuri, P. S., Nath, S., Bhattacharjee, S. & Paliwal, R. (2009) Biomass, density and diversity of earthworms under rubber (Hevea brasiliensis) plantations in Tripura, India. The Bioscan, 4 (3), 475 - 479.","Chaudhuri, P. S., Dey, A., Bhattacharjee, G. & Nath, S. (2012) Earthworm diversity in Tripura - present status. Science & Culture, 78 (7 - 8), 343 - 346."]}

4. Drawida beddardi (Rosa, 1890) Moniligaster beddardi Rosa, 1890a: 379. Drawida beddardi (Rosa). Gates 1962: 312; 1972: 246 (for further synonymies). T. Chiala, Myanmar. D. Arunachal Pradesh: Seiom (Julka 1981), Ayumuring (Julka 1981), Yame (Julka 1981), Huri (Julka 1981), Damin (Julka 1981), Pabin (Julka 1981), Tumbia (Julka 1981), ca. 3 km east of Richik (Julka 1981), Kabak (Julka 1981)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 279, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Rosa, D. (1890 a) Viaggio di Leonardo Fea in Birmanica e regioni vicine, XXV. Moniligastridi, Geoscolecidi ed Eudrilidi. Annali del Museo Civico di Storia NaturaleGiacomo Doria, 9, 368 - 400.","Gates, G. E. (1962) On some Burmese earthworms of the moniligastrid genus Drawida. Bulletin of the Museum of Comparative Zoology at Harvard College, 127 (5), 295 - 374.","Gates, G. E. (1972) Burmese earthworms. An introduction to the systematics and biology of megadrile oligochaetes with special reference to southeast Asia. Transactions of the American Philosophical Society, 62 (7), 1 - 326. https: // doi. org / 10.2307 / 1006214","Julka, J. M. (1981) Taxonomic studies on the earthworms collected during the Subansiri Expedition in Arunachal Pradesh, India. Records of the Zoological Survey of India, Miscellaneous Publication, Occasional Paper, No. 26, 1 - 53."]}

56. Eutyphoeus manipurensis manipurensis Stephenson, 1921 Eutyphoeus manipurensis Stephenson, 1921: 763. Eutyphoeus manipurensis manipurensis Stephenson. Gates 1958a: 110; Julka 1988a: 152. T. Thanga Island, Loktak Lake, Manipur, India. D. Manipur., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 287, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Stephenson, J. (1921) Oligochaeta from Manipur, the Laccadive Islands, Mysore, and other parts of India. Records of the Indian Museum, 22, 745 - 768. https: // doi. org / 10.5962 / bhl. part. 1484","Gates, G. E. (1958 a) The earthworms of Burma. VII. The genus Eutyphoeus, with notes on several Indian species. Records of the Indian Museum, 53, 93 - 222.","Julka, J. M. (1988 a) The Fauna of India and the adjacent countries. Megadrile Oligochaeta (Earthworms). Haplotaxida: Lumbricina: Megascolecoidea: Octochaetidae. Zoological Survey of India, Calcutta, 400 pp."]}

121. Polypheretima elongata (Perrier, 1872) Perichaeta elongata Perrier, 1872: 124. Polypheretima elongata (Perrier). Blakemore 2010: 502 (for further synonyms). T. Peru. D. Meghalaya: Nongkhnum-Lailad (Kharkongor 2018), Nongstoi�� (Kharkongor 2018), Mawlongphlang (Kharkongor 2018). Tripura: Shanichara (Halder 2000), Dakshin Nayapara (Halder 2000), unspecified localities (Chaudhuri & Bhattacharjee 1999, 2005; Chaudhuri et al. 2012; Jamatia & Chaudhuri 2017)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 295, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Perrier, E. (1872) Recherche pour servir a l'historie des Lombriciens terrestres. Nouvelles Archives du Museum d'Histoire Naturelle Paris, 8, 5 - 198. https: // doi. org / 10.5962 / bhl. title. 12201","Blakemore, R. J. (2010) Cosmopolitan Earthworms-an Eco-Taxonomic Guide to the Peregrine Species of the World. 4 th Edition. VermEcology So (i) lutions, Yokohama, 850 pp., 350 figs., Internet links. [December 2010]","Kharkongor, I. J. (2018) Taxonomic and ecological studies on the earthworms (Annelida: Oligochaeta) of West Khasi Hills District, Meghalaya. Records of the Zoological Survey of India, 118, 56 - 74. https: // doi. org / 10.26515 / rzsi / v 118 / i 1 / 2018 / 123034","Halder, K. R. (2000) Oligochaeta: Earthworm. In: State Fauna. Series 7. Fauna of Tripura. Part 4. Zoological Survey of India, Calcutta, pp. 239 - 236.","Chaudhuri, P. S. & Bhattacharjee, G. (1999) Earthworm resources of Tripura. Proceedings of the National Academy of Sciences, India, 69 (B), 159 - 170.","Chaudhuri, P. S., Dey, A., Bhattacharjee, G. & Nath, S. (2012) Earthworm diversity in Tripura - present status. Science & Culture, 78 (7 - 8), 343 - 346.","Jamatia, S. K. S. & Chaudhuri, P. S. (2017) Earthworm community structure under tea plantations (Camellia sinensis) of Tripura (India). Tropical Ecology, 58, 105 - 113."]}

33. Argilophilus daminensis (Julka, 1981) Plutellus daminensis Julka, 1981: 11. Argilophilus daminensis (Julka). Blakemore 2007: 28. T. Damin, district Subansiri, Arunachal Pradesh, India. D. Arunachal Pradesh., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 283, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Julka, J. M. (1981) Taxonomic studies on the earthworms collected during the Subansiri Expedition in Arunachal Pradesh, India. Records of the Zoological Survey of India, Miscellaneous Publication, Occasional Paper, No. 26, 1 - 53.","Blakemore, R. J. (2007) Checklist of 505 earthworms species from India, Sri Lanka and the adjacent regions (excluding Myanmar) compiled from various sources [e. g. Stephenson (1923), Gates (1972), Julka (1988) etc.]. In: Blakemore, R. J. (Ed.), A series of searchable texts on earthworm biodiversity, ecology and systematic from various regions of the world. 3 rd Edition. Available from: http: // www. annelida. net / earthworm (accessed 1 March 2020)"]}

3. Drawida assamensis Gates, 1945 Drawida assamensis Gates, 1945: 59. T. Dumpep, Khasi Hills, Meghalaya, India. D. Meghalaya: Nayabanglow (Mishra & Ramakrishnan 1988), Shillong (Bhadauria & Ramakrishnan 1989). Tripura: Unspecified localities (Chaudhuri et al. 2009, 2012; Dey & Chaudhuri 2014, 2016; Jamatia & Chaudhuri 2017)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 279, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Gates, G. E. (1945) On some Indian earthworms. II. Journal of the Royal Asiatic Society of Bengal, 11, 54 - 91.","Mishra, K. C. & Ramakrishnan, P. S. (1988) Earthworm population dynamics in different jhum fallows developed after slash and burn agriculture in north-eastern India. Proceedings of the Indian Academy of Sciences, (Animal Science), 97, 309 - 318. https: // doi. org / 10.1007 / BF 03179540","Bhadauria, T. & Ramakrishnan, P. S. (1989) Earthworm population dynamics and contribution to nutrient cycling during cropping and fallow phases of shifting agriculture (jhum) in north-east India. Journal of Applied Ecology, 26, 505 - 520. https: // doi. org / 10.2307 / 2404077","Chaudhuri, P. S., Nath, S., Bhattacharjee, S. & Paliwal, R. (2009) Biomass, density and diversity of earthworms under rubber (Hevea brasiliensis) plantations in Tripura, India. The Bioscan, 4 (3), 475 - 479.","Chaudhuri, P. S., Dey, A., Bhattacharjee, G. & Nath, S. (2012) Earthworm diversity in Tripura - present status. Science & Culture, 78 (7 - 8), 343 - 346.","Dey, A. & Chaudhuri, P. S. (2014) Earthworm community structure of pineapple (Ananas comosus) plantations under monoculture and mixed culture in West Tripura, India. Tropical Ecology, 55, 1 - 17.","Dey, A. & Chaudhuri, P. S. (2016) Species richness, community organization, and spatiotemporal distribution of earthworms in the pineapple agroecosystems of Tripura, India. International Journal of Ecology, 2016, 1 - 19. https: // doi. org / 10.1155 / 2016 / 3190182","Jamatia, S. K. S. & Chaudhuri, P. S. (2017) Earthworm community structure under tea plantations (Camellia sinensis) of Tripura (India). Tropical Ecology, 58, 105 - 113."]}

47. Eutyphoeus aborianus Stephenson, 1914 Eutyphoeus aborianus Stephenson, 1914a: 406. T. Kobo, Abor Hills, Arunachal Pradesh, India. D. Arunachal Pradesh., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 286, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Stephenson, J. (1914 a) Zoological results of the Abor Expedition, 1911 - 1912. Oligochaeta. Records of the Indian Museum, 8, 365 - 410. https: // doi. org / 10.5962 / bhl. part. 1193"]}

55. Eutyphoeus kempi Stephenson, 1914 Eutyphoeus kempi Stephenson, 1914a: 401. Further list of synonyms in Julka, 1988a: 164. T. Kobo, Abor Hills, Arunachal Pradesh, India. D. Arunachal Pradesh., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 287, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Stephenson, J. (1914 a) Zoological results of the Abor Expedition, 1911 - 1912. Oligochaeta. Records of the Indian Museum, 8, 365 - 410. https: // doi. org / 10.5962 / bhl. part. 1193","Julka, J. M. (1988 a) The Fauna of India and the adjacent countries. Megadrile Oligochaeta (Earthworms). Haplotaxida: Lumbricina: Megascolecoidea: Octochaetidae. Zoological Survey of India, Calcutta, 400 pp."]}

12. Drawida nepalensis Michaelsen, 1907 Drawida nepalensis Michaelsen, 1907: 146. Drawida nepalensis Michaelsen. Gates 1972: 256 (for further synonyms). T. Gowchar, nr. Kathmandu, Nepal. D. Arunachal Pradesh: Taliha (Julka 1981), Chowkham (Julka 1976), Gogoi Camp (Julka 1976), Wakro (Julka 1976), 124 km on Miao-Vijaynagar Road (Halder et al. 2007). Assam: Katlichera (Stephenson 1926), Amingaon (Stephenson 1925), Lokra (Gates 1962), unspecified localities (Rajkhowa et al. 2015). Manipur: Koirengei Forest (Haokip & Singh 2017). Meghalaya: Siju cave (Stephenson 1924a), Shillong (Julka 1977), Mawphlang (Halder 1999b), Barapani (Halder 1999b), Jowai (Halder 1999b), Saphai (Halder 1999b), Goeragre (Halder 1999b), Rangmalgre (Halder 1999b), Nongkhnum-Lailad (Kharkongor 2018). Mizoram: Unspecified localities (Ramanujam et al. 2004). Sikkim: 20 km S of Gangtok (Soota & Halder 1981), on Gangtok-Pakyong Road (Soota & Halder 1981). Tripura: Asarambari (Halder 2000), Aglapur (Halder 2000), Sanichara (Halder 2000), Baruakandi (Halder 2000), Dakshin Nayapara (Halder 2000), Panisagar (Halder 2000), Nayapara (Halder 2000), Ramnagar (Halder 2000), Debcherra (Halder 2000), Kamalpur (Halder 2000), Panitilla (Halder 2000), Kumarghat (Halder 2000), Jamaibari (Halder 2000), Dakshin Pulinpur (Halder 2000), Golabari (Halder 2000), unspecified localities (Chaudhuri & Bhattacharjee 1999, 2005; Chaudhuri et al. 2008, 2009, 2012; Dey & Chaudhuri 2014, 2016). West Bengal: Kalimpong (Julka 1975), Sukiapokri (Julka 1975), Siliguri (Halder 1999a)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 280, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Michaelsen, W. (1907) Neue Oligochaeten von Vorder-Indien, Ceylon, Birma, und den Andaman-Inseln. Jahrbuch der Hamburgischen Wissenschaftlichen Anstalten, Hamburg, 24 (2), 143 - 188.","Gates, G. E. (1972) Burmese earthworms. An introduction to the systematics and biology of megadrile oligochaetes with special reference to southeast Asia. Transactions of the American Philosophical Society, 62 (7), 1 - 326. https: // doi. org / 10.2307 / 1006214","Julka, J. M. (1981) Taxonomic studies on the earthworms collected during the Subansiri Expedition in Arunachal Pradesh, India. Records of the Zoological Survey of India, Miscellaneous Publication, Occasional Paper, No. 26, 1 - 53.","Julka, J. M. (1976) Studies on the earthworms collected during the Daphabum Expedition in Arunachal Pradesh, India. Records of the Zoological Survey of India, 69, 229 - 239.","Halder, K. R., Dhani, S. & Mandal, C. K. (2007) On some earthworms present in unnamed collections of Zoological Survey of India. Records of the Zoological Survey of India, 107, 79 - 93.","Stephenson, J. (1926) Descriptions of Indian Oligochaeta. I. Records of the Indian Museum, 28, 249 - 267.","Stephenson, J. (1925) On some Oligochaeta mainly from Assam, South India, and the Andaman Islands. Records of the Indian Museum, 27, 43 - 73.","Gates, G. E. (1962) On some Burmese earthworms of the moniligastrid genus Drawida. Bulletin of the Museum of Comparative Zoology at Harvard College, 127 (5), 295 - 374.","Rajkhowa, D. J., Bhattacharyya, P. N., Sarma, A. K., and Mahanta, K. (2015) Diversity and distribution of earthworms in different soil habitats of Assam, North-East India, an Indo-Burma Biodiversity Hotspot. Proceedings of the National Academy of Sciences, India Section B: Biological Sciences, 85 (2), 389 - 396. https: // doi. org / 10.1007 / s 40011 - 014 - 0380 - 1","Haokip, S. L. & Singh, T. B. (2017) Comparative studies on the earthworm community structure in the natural mixed and oak plantation sub-tropical forests ecosystem of Imphal, Manipur, India. International Journal of Ecology and Environmental Sciences, 43, 319 - 329.","Stephenson, J. (1924 a) Oligochaeta of the Siju Cave, Garo Hills, Assam. Records of the Indian Museum, 26, 127 - 135.","Halder, K. R. (1999 b) Oligochaeta: Earthworm. In: State Fauna. Series 4. Fauna of Meghalaya. Part 9. Zoological Survey of India, Calcutta, pp. 393 - 439.","Kharkongor, I. J. (2018) Taxonomic and ecological studies on the earthworms (Annelida: Oligochaeta) of West Khasi Hills District, Meghalaya. Records of the Zoological Survey of India, 118, 56 - 74. https: // doi. org / 10.26515 / rzsi / v 118 / i 1 / 2018 / 123034","Ramanujam, S. N., Lalthanzara, H. & Jha, L. K. (2004) Biodiversity of earthworms in Mizoram. Journal of Nature Conservators, 16, 129 - 134.","Soota, T. D. & Halder, K. R. (1981) On some earthworms from eastern Himalayas. Records of the Zoological Survey of India, 79, 231 - 234.","Halder, K. R. (2000) Oligochaeta: Earthworm. In: State Fauna. Series 7. Fauna of Tripura. Part 4. Zoological Survey of India, Calcutta, pp. 239 - 236.","Chaudhuri, P. S. & Bhattacharjee, G. (1999) Earthworm resources of Tripura. Proceedings of the National Academy of Sciences, India, 69 (B), 159 - 170.","Chaudhuri, P. S., Nath, S. & Paliwal, R. (2008) Earthworm population of rubber plantations (Hevea brasiliensis) in Tripura, India. Tropical Ecology, 49, 225 - 234.","Chaudhuri, P. S., Nath, S., Bhattacharjee, S. & Paliwal, R. (2009) Biomass, density and diversity of earthworms under rubber (Hevea brasiliensis) plantations in Tripura, India. The Bioscan, 4 (3), 475 - 479.","Chaudhuri, P. S., Dey, A., Bhattacharjee, G. & Nath, S. (2012) Earthworm diversity in Tripura - present status. Science & Culture, 78 (7 - 8), 343 - 346.","Dey, A. & Chaudhuri, P. S. (2014) Earthworm community structure of pineapple (Ananas comosus) plantations under monoculture and mixed culture in West Tripura, India. Tropical Ecology, 55, 1 - 17.","Dey, A. & Chaudhuri, P. S. (2016) Species richness, community organization, and spatiotemporal distribution of earthworms in the pineapple agroecosystems of Tripura, India. International Journal of Ecology, 2016, 1 - 19. https: // doi. org / 10.1155 / 2016 / 3190182","Halder, K. R. (1999 a) Annelida: Oligochaeta: Earthworms. In: State Fauna. Series 3. Fauna of West Bengal. Part 10. Zoological Survey of India, Calcutta, pp. 17 - 93."]}

16. Drawida rangamatiana Stephenson, 1917 Drawida rangamatiana Stephenson, 1917: 369. T. Rangamati, Bangladesh. D. Mizoram: Unspecified localities (Ramanujam et al. 2004)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 281, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Stephenson, J. (1917) On a collection of Oligochaeta from various parts of India and further India. Records of the Indian Museum, 13, 353 - 416. https: // doi. org / 10.5962 / bhl. part. 5865","Ramanujam, S. N., Lalthanzara, H. & Jha, L. K. (2004) Biodiversity of earthworms in Mizoram. Journal of Nature Conservators, 16, 129 - 134."]}

59. Eutyphoeus scutarius Michaelsen, 1907 Eutyphoeus scutarius Michaelsen, 1907: 186. ? Eutyphoeus comillahnus (in part) Michaelsen 1907: 187. Eutyphoeus scutarius Michaelsen. Julka 1988a: 170 (for further synonymy). T. Comillah, district Chittagong, Bangladesh. D. Tripura: Unspecified localities (Chaudhuri & Bhattacharjee 1999, 2005; Chaudhuri et al. 2009, 2012; Dey & Chaudhuri 2014, 2016)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 287, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Michaelsen, W. (1907) Neue Oligochaeten von Vorder-Indien, Ceylon, Birma, und den Andaman-Inseln. Jahrbuch der Hamburgischen Wissenschaftlichen Anstalten, Hamburg, 24 (2), 143 - 188.","Julka, J. M. (1988 a) The Fauna of India and the adjacent countries. Megadrile Oligochaeta (Earthworms). Haplotaxida: Lumbricina: Megascolecoidea: Octochaetidae. Zoological Survey of India, Calcutta, 400 pp.","Chaudhuri, P. S. & Bhattacharjee, G. (1999) Earthworm resources of Tripura. Proceedings of the National Academy of Sciences, India, 69 (B), 159 - 170.","Chaudhuri, P. S., Nath, S., Bhattacharjee, S. & Paliwal, R. (2009) Biomass, density and diversity of earthworms under rubber (Hevea brasiliensis) plantations in Tripura, India. The Bioscan, 4 (3), 475 - 479.","Chaudhuri, P. S., Dey, A., Bhattacharjee, G. & Nath, S. (2012) Earthworm diversity in Tripura - present status. Science & Culture, 78 (7 - 8), 343 - 346.","Dey, A. & Chaudhuri, P. S. (2014) Earthworm community structure of pineapple (Ananas comosus) plantations under monoculture and mixed culture in West Tripura, India. Tropical Ecology, 55, 1 - 17.","Dey, A. & Chaudhuri, P. S. (2016) Species richness, community organization, and spatiotemporal distribution of earthworms in the pineapple agroecosystems of Tripura, India. International Journal of Ecology, 2016, 1 - 19. https: // doi. org / 10.1155 / 2016 / 3190182"]}

37. Argilophilus richikensis (Julka, 1981) Plutellus richikensis Julka, 1981: 12. Argilophilus richikensis (Julka). Blakemore 2007: 29. T. Richik, district Subansiri, Arunachal Pradesh, India. D. Arunachal Pradesh: Kolang (Julka 1981), Lingpo (Julka 1981), Huri (Julka 1981), Damin (Julka 1981)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 284, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Julka, J. M. (1981) Taxonomic studies on the earthworms collected during the Subansiri Expedition in Arunachal Pradesh, India. Records of the Zoological Survey of India, Miscellaneous Publication, Occasional Paper, No. 26, 1 - 53.","Blakemore, R. J. (2007) Checklist of 505 earthworms species from India, Sri Lanka and the adjacent regions (excluding Myanmar) compiled from various sources [e. g. Stephenson (1923), Gates (1972), Julka (1988) etc.]. In: Blakemore, R. J. (Ed.), A series of searchable texts on earthworm biodiversity, ecology and systematic from various regions of the world. 3 rd Edition. Available from: http: // www. annelida. net / earthworm (accessed 1 March 2020)"]}

36. Argilophilus mishmiensis (Julka, 1976) Plutellus mishmiensis Julka, 1976: 236. Argilophilus mishmiensis (Julka). Blakemore 2007: 29. T. Tihun, district Lohit, Arunachal Pradesh, India. D. Arunachal Pradesh: Chikrung (Julka 1976)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 284, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Julka, J. M. (1976) Studies on the earthworms collected during the Daphabum Expedition in Arunachal Pradesh, India. Records of the Zoological Survey of India, 69, 229 - 239.","Blakemore, R. J. (2007) Checklist of 505 earthworms species from India, Sri Lanka and the adjacent regions (excluding Myanmar) compiled from various sources [e. g. Stephenson (1923), Gates (1972), Julka (1988) etc.]. In: Blakemore, R. J. (Ed.), A series of searchable texts on earthworm biodiversity, ecology and systematic from various regions of the world. 3 rd Edition. Available from: http: // www. annelida. net / earthworm (accessed 1 March 2020)"]}

39. Argilophilus taksingensis (Julka, 1981) Plutellus taksingensis Julka, 1981: 14. Argilophilus taksingensis (Julka). Blakemore 2007: 29. T. Taksing, district Subansiri, Arunachal Pradesh, India. D. Arunachal Pradesh: Orak (Julka 1981), Riding Camp (Julka 1981), Gelemo (Julka 1981), Doju Bung (Julka 1981), Kotar Nala (Julka 1981), Lingpo (Julka 1981), Huri (Julka 1981), Pabin (Julka 1981), Parsipala (Julka 1981)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 284, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Julka, J. M. (1981) Taxonomic studies on the earthworms collected during the Subansiri Expedition in Arunachal Pradesh, India. Records of the Zoological Survey of India, Miscellaneous Publication, Occasional Paper, No. 26, 1 - 53.","Blakemore, R. J. (2007) Checklist of 505 earthworms species from India, Sri Lanka and the adjacent regions (excluding Myanmar) compiled from various sources [e. g. Stephenson (1923), Gates (1972), Julka (1988) etc.]. In: Blakemore, R. J. (Ed.), A series of searchable texts on earthworm biodiversity, ecology and systematic from various regions of the world. 3 rd Edition. Available from: http: // www. annelida. net / earthworm (accessed 1 March 2020)"]}

84. Metaphire posthuma (Vaillant, 1868) Perichaeta posthuma Vaillant, 1868: 228. Metaphire posthuma (Vaillant). Blakemore 2010: 466 (for further synonyms). T. Java. D. Assam: Unspecified localities (Rajkhowa et al. 2015). Meghalaya: Nongpoh (Halder 1999b), Riangdo village (Kharkongor 2018). Sikkim: Tadong (Halder 2003), Rumtek (Halder 2003). Tripura: Unspecified localities (Chaudhuri & Bhattacharjee 1999, 2005; Chaudhuri et al. 2012; Dey & Chaudhuri 2014, 2016)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 291, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Vaillant, M. L., (1868) Note sur I'anatomie de deux especes du genre Perichaeta et essai de clasification des Annelides Lombricines. Annales des sciences naturelles, 10, 225 - 256 and Memoires de l'Academie des Sciences et Lettres de Montpellier, 7, 143 - 173.","Blakemore, R. J. (2010) Cosmopolitan Earthworms-an Eco-Taxonomic Guide to the Peregrine Species of the World. 4 th Edition. VermEcology So (i) lutions, Yokohama, 850 pp., 350 figs., Internet links. [December 2010]","Rajkhowa, D. J., Bhattacharyya, P. N., Sarma, A. K., and Mahanta, K. (2015) Diversity and distribution of earthworms in different soil habitats of Assam, North-East India, an Indo-Burma Biodiversity Hotspot. Proceedings of the National Academy of Sciences, India Section B: Biological Sciences, 85 (2), 389 - 396. https: // doi. org / 10.1007 / s 40011 - 014 - 0380 - 1","Halder, K. R. (1999 b) Oligochaeta: Earthworm. In: State Fauna. Series 4. Fauna of Meghalaya. Part 9. Zoological Survey of India, Calcutta, pp. 393 - 439.","Kharkongor, I. J. (2018) Taxonomic and ecological studies on the earthworms (Annelida: Oligochaeta) of West Khasi Hills District, Meghalaya. Records of the Zoological Survey of India, 118, 56 - 74. https: // doi. org / 10.26515 / rzsi / v 118 / i 1 / 2018 / 123034","Halder, K. R. (2003) Oligochaeta: Earthworm. In: State Fauna. Series 9. Fauna of Sikkim. Part 5. Zoological Survey of India, Calcutta, pp. 91 - 116.","Chaudhuri, P. S. & Bhattacharjee, G. (1999) Earthworm resources of Tripura. Proceedings of the National Academy of Sciences, India, 69 (B), 159 - 170.","Chaudhuri, P. S., Dey, A., Bhattacharjee, G. & Nath, S. (2012) Earthworm diversity in Tripura - present status. Science & Culture, 78 (7 - 8), 343 - 346.","Dey, A. & Chaudhuri, P. S. (2014) Earthworm community structure of pineapple (Ananas comosus) plantations under monoculture and mixed culture in West Tripura, India. Tropical Ecology, 55, 1 - 17.","Dey, A. & Chaudhuri, P. S. (2016) Species richness, community organization, and spatiotemporal distribution of earthworms in the pineapple agroecosystems of Tripura, India. International Journal of Ecology, 2016, 1 - 19. https: // doi. org / 10.1155 / 2016 / 3190182"]}

126. Tonoscolex monorchis (Stephenson, 1916) Megascolides oneilli var. monorchis Stephenson, 1916: 313. Notoscolex oneili var. monorchis, Stephenson, 1923: 214. Tonoscolex monorchis (Stephenson). Gates 1972: 230. T. Darjeeling to Ghoom (Lapsus calami Soom), West Bengal, India. D. West Bengal., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 296, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Stephenson, J. (1916) On a collection of Oligochaeta belonging to the Indian Museum. Records of the Indian Museum, 12, 299 - 354.","Stephenson, J. (1923) Oligochaeta. The Fauna of British India, including Ceylon and Burma, Taylor and Francis, London, 518 pp.","Gates, G. E. (1972) Burmese earthworms. An introduction to the systematics and biology of megadrile oligochaetes with special reference to southeast Asia. Transactions of the American Philosophical Society, 62 (7), 1 - 326. https: // doi. org / 10.2307 / 1006214"]}

128. Tonoscolex striatus (Stephenson, 1914) Notoscolex striatus Stephenson, 1914a: 380. Notoscolex stewarti Stephenson, 1914a: 382. Tonoscolex striatus (Stephenson). Gates 1972: 232. T. Rotung, Upper Rotung, Abor Hills, Arunachal Pradesh, India. D. Arunachal Pradesh: Taliha (Julka 1981), Ayumuring (Julka 1981), Yame (Julka 1981), Damin (Julka 1981), Huri (Julka 1981), Pabin (Julka 1981), Parsipala (Julka 1981), Tumbia (Julka 1981), near Kau Pass (Julka 1981), Richik (Julka 1981), 3 km E of Richik (Julka 1981), Tali (Julka 1981), Rui (Julka 1981), Gimba (Julka 1981), Kabak (Julka 1981), Rotung (Stephenson 1914a), Itanagar Zoo (Halder et al. 2007). Meghalaya: Nongstoi��- Siejlieh (Kharkongor 2018), Mawthar village (Kharkongor 2018)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 296, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Stephenson, J. (1914 a) Zoological results of the Abor Expedition, 1911 - 1912. Oligochaeta. Records of the Indian Museum, 8, 365 - 410. https: // doi. org / 10.5962 / bhl. part. 1193","Gates, G. E. (1972) Burmese earthworms. An introduction to the systematics and biology of megadrile oligochaetes with special reference to southeast Asia. Transactions of the American Philosophical Society, 62 (7), 1 - 326. https: // doi. org / 10.2307 / 1006214","Julka, J. M. (1981) Taxonomic studies on the earthworms collected during the Subansiri Expedition in Arunachal Pradesh, India. Records of the Zoological Survey of India, Miscellaneous Publication, Occasional Paper, No. 26, 1 - 53.","Halder, K. R., Dhani, S. & Mandal, C. K. (2007) On some earthworms present in unnamed collections of Zoological Survey of India. Records of the Zoological Survey of India, 107, 79 - 93.","Kharkongor, I. J. (2018) Taxonomic and ecological studies on the earthworms (Annelida: Oligochaeta) of West Khasi Hills District, Meghalaya. Records of the Zoological Survey of India, 118, 56 - 74. https: // doi. org / 10.26515 / rzsi / v 118 / i 1 / 2018 / 123034"]}

50. Eutyphoeus comillahnus Michaelsen, 1907 Eutyphoeus comillahnus (? in part) Michaelsen, 1907: 187. Eutyphoeus comillahnus Michaelsen. Julka 1988a: 137. T. Comillah, Bangladesh. D. Tripura: Dakshin Nayapara (Halder 2000), Panitilla (Halder 2000), unspecified localities (Chaudhuri & Bhattacharjee 2005; Chaudhuri et al. 2008, 2009, 2012; Dey & Chaudhuri 2014, 2016; Jamatia & Chaudhuri 2017)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 286, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Michaelsen, W. (1907) Neue Oligochaeten von Vorder-Indien, Ceylon, Birma, und den Andaman-Inseln. Jahrbuch der Hamburgischen Wissenschaftlichen Anstalten, Hamburg, 24 (2), 143 - 188.","Julka, J. M. (1988 a) The Fauna of India and the adjacent countries. Megadrile Oligochaeta (Earthworms). Haplotaxida: Lumbricina: Megascolecoidea: Octochaetidae. Zoological Survey of India, Calcutta, 400 pp.","Halder, K. R. (2000) Oligochaeta: Earthworm. In: State Fauna. Series 7. Fauna of Tripura. Part 4. Zoological Survey of India, Calcutta, pp. 239 - 236.","Chaudhuri, P. S., Nath, S. & Paliwal, R. (2008) Earthworm population of rubber plantations (Hevea brasiliensis) in Tripura, India. Tropical Ecology, 49, 225 - 234.","Chaudhuri, P. S., Nath, S., Bhattacharjee, S. & Paliwal, R. (2009) Biomass, density and diversity of earthworms under rubber (Hevea brasiliensis) plantations in Tripura, India. The Bioscan, 4 (3), 475 - 479.","Chaudhuri, P. S., Dey, A., Bhattacharjee, G. & Nath, S. (2012) Earthworm diversity in Tripura - present status. Science & Culture, 78 (7 - 8), 343 - 346.","Dey, A. & Chaudhuri, P. S. (2014) Earthworm community structure of pineapple (Ananas comosus) plantations under monoculture and mixed culture in West Tripura, India. Tropical Ecology, 55, 1 - 17.","Dey, A. & Chaudhuri, P. S. (2016) Species richness, community organization, and spatiotemporal distribution of earthworms in the pineapple agroecosystems of Tripura, India. International Journal of Ecology, 2016, 1 - 19. https: // doi. org / 10.1155 / 2016 / 3190182","Jamatia, S. K. S. & Chaudhuri, P. S. (2017) Earthworm community structure under tea plantations (Camellia sinensis) of Tripura (India). Tropical Ecology, 58, 105 - 113."]}

10. Drawida montana Gates, 1945 Drawida montana Gates, 1945: 68. T. Dumpep, Khasi Hills, Meghalaya, India. D. Meghalaya., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 280, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Gates, G. E. (1945) On some Indian earthworms. II. Journal of the Royal Asiatic Society of Bengal, 11, 54 - 91."]}

53. Eutyphoeus gigas Stephenson, 1917 Eutyphoeus gigas Stephenson, 1917: 408. Eutyphoeus gigas Stephenson. Julka 1988a: 142 (for further synonymy). T. Rangamati, Chittagong Hill Tracts, Bangladesh. D. Mizoram: Bhungtilang (Julka 1988a), unspecified localities (Ramanujam et al. 2004). Tripura: Unspecified localities (Chaudhuri & Bhattacharjee 1999, 2005; Chaudhuri et al. 2009, 2012; Dey & Chaudhuri 2014, 2016)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 286, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Stephenson, J. (1917) On a collection of Oligochaeta from various parts of India and further India. Records of the Indian Museum, 13, 353 - 416. https: // doi. org / 10.5962 / bhl. part. 5865","Julka, J. M. (1988 a) The Fauna of India and the adjacent countries. Megadrile Oligochaeta (Earthworms). Haplotaxida: Lumbricina: Megascolecoidea: Octochaetidae. Zoological Survey of India, Calcutta, 400 pp.","Ramanujam, S. N., Lalthanzara, H. & Jha, L. K. (2004) Biodiversity of earthworms in Mizoram. Journal of Nature Conservators, 16, 129 - 134.","Chaudhuri, P. S. & Bhattacharjee, G. (1999) Earthworm resources of Tripura. Proceedings of the National Academy of Sciences, India, 69 (B), 159 - 170.","Chaudhuri, P. S., Nath, S., Bhattacharjee, S. & Paliwal, R. (2009) Biomass, density and diversity of earthworms under rubber (Hevea brasiliensis) plantations in Tripura, India. The Bioscan, 4 (3), 475 - 479.","Chaudhuri, P. S., Dey, A., Bhattacharjee, G. & Nath, S. (2012) Earthworm diversity in Tripura - present status. Science & Culture, 78 (7 - 8), 343 - 346.","Dey, A. & Chaudhuri, P. S. (2014) Earthworm community structure of pineapple (Ananas comosus) plantations under monoculture and mixed culture in West Tripura, India. Tropical Ecology, 55, 1 - 17.","Dey, A. & Chaudhuri, P. S. (2016) Species richness, community organization, and spatiotemporal distribution of earthworms in the pineapple agroecosystems of Tripura, India. International Journal of Ecology, 2016, 1 - 19. https: // doi. org / 10.1155 / 2016 / 3190182"]}

127. Tonoscolex oneili (Stephenson, 1914) Megascolides oneilli Stephenson, 1914a: 377. Notoscolex oneili (Stephenson). Stephenson 1923 (in part): 212. Tonoscolex oneilli (Stephenson). Gates 1934: 254. Tonoscolex oneili (Stephenson). Gates 1972: 231 (for further synonymy). T. Janakmukh, Abor Hills, Arunachal Pradesh, India. D. Arunachal Pradesh: Chikrung (Julka 1976)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 296, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Stephenson, J. (1914 a) Zoological results of the Abor Expedition, 1911 - 1912. Oligochaeta. Records of the Indian Museum, 8, 365 - 410. https: // doi. org / 10.5962 / bhl. part. 1193","Stephenson, J. (1923) Oligochaeta. The Fauna of British India, including Ceylon and Burma, Taylor and Francis, London, 518 pp.","Gates, G. E. (1934) Notes on some earthworms from the Indian Museum. Records of the Indian Museum, 36, 233 - 277.","Gates, G. E. (1972) Burmese earthworms. An introduction to the systematics and biology of megadrile oligochaetes with special reference to southeast Asia. Transactions of the American Philosophical Society, 62 (7), 1 - 326. https: // doi. org / 10.2307 / 1006214","Julka, J. M. (1976) Studies on the earthworms collected during the Daphabum Expedition in Arunachal Pradesh, India. Records of the Zoological Survey of India, 69, 229 - 239."]}

14. Drawida pellucida pellucida (Bourne, 1894) Moniligaster pellucida Bourne, 1894: 363. Drawida pellucida (Bourne). Michaelsen 1900: 118. Drawida pellucidus typica (Bourne). Michaelsen 1910: 50. Drawida pellucida typica (Bourne). Stephenson 1923 (in part, excluding specimens from Upper Rotung (Arunachal Pradesh): 150; Aiyer 1929: 48. Drawida pellucida pellucida (Bourne). Blakemore 2007: 7. T. Udhagamandalam (formerly Ootacamund). D. Meghalaya: Mawthadraishan Peak (Kharkongor 2018). R. Stephenson (1914a) reported the species doubtfully from Arunachal Pradesh, based on a single immature specimen. Gates (1972: 250) included this specimen in his account of D. kempi but emphasized that it was ���too immature to warrant more than a guess at identification.��� There is a large distribution gap between the subspecies��� occurrence in southern India and, as presently reported, in the NER region. The inclusion of this taxon in the present list is therefore tentative; it is based on Kharkongor (2018) and requires confirmation., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 281, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Bourne, A. G. (1894) On Moniligaster grandis, A. G. B., from the Nilgiris, S. India; together with descriptions of other species of the genus Moniligaster. Quarterly Journal of Microscopical Sciences, 36, 307 - 384.","Michaelsen, W. (1900) Oligochaeta. In: Das Tierreich. Vol. 10. R. Friedlander und Sohn, Berlin, pp. 1 - 575.","Michaelsen, W. (1910) Die Oligochatenfauna der vorderindisch-ceylonischen Region. Abhandlungen aus dem Gebiete der Naturwissenschaften, herausgegeben vom Naturwissenschaftlichen Verein in Hamburg, 19 (5), 1 - 108.","Stephenson, J. (1923) Oligochaeta. The Fauna of British India, including Ceylon and Burma, Taylor and Francis, London, 518 pp.","Aiyer, K. S. P. (1929) An account of the Oligochaeta of Travancore. Records of the Indian Museum, 31 (1), 13 - 76.","Blakemore, R. J. (2007) Checklist of 505 earthworms species from India, Sri Lanka and the adjacent regions (excluding Myanmar) compiled from various sources [e. g. Stephenson (1923), Gates (1972), Julka (1988) etc.]. In: Blakemore, R. J. (Ed.), A series of searchable texts on earthworm biodiversity, ecology and systematic from various regions of the world. 3 rd Edition. Available from: http: // www. annelida. net / earthworm (accessed 1 March 2020)","Kharkongor, I. J. (2018) Taxonomic and ecological studies on the earthworms (Annelida: Oligochaeta) of West Khasi Hills District, Meghalaya. Records of the Zoological Survey of India, 118, 56 - 74. https: // doi. org / 10.26515 / rzsi / v 118 / i 1 / 2018 / 123034","Stephenson, J. (1914 a) Zoological results of the Abor Expedition, 1911 - 1912. Oligochaeta. Records of the Indian Museum, 8, 365 - 410. https: // doi. org / 10.5962 / bhl. part. 1193","Gates, G. E. (1972) Burmese earthworms. An introduction to the systematics and biology of megadrile oligochaetes with special reference to southeast Asia. Transactions of the American Philosophical Society, 62 (7), 1 - 326. https: // doi. org / 10.2307 / 1006214"]}

11. Drawida nagana Gates, 1945 Drawida nagana Gates, 1945: 69. T. Khezabana, Nagaland, India. D. Nagaland., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 280, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Gates, G. E. (1945) On some Indian earthworms. II. Journal of the Royal Asiatic Society of Bengal, 11, 54 - 91."]}

34. Argilophilus ghumensis (Julka, 1975) Plutellus ghumensis Julka, 1975: 24. Argilophilus ghumensis (Julka). Blakemore 2007: 28. T. Jorpokri, district Darjeeling, West Bengal, India. D. West Bengal: Hima Falls (Julka 1975), Ghum Bhanjang (Julka 1975)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 284, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Blakemore, R. J. (2007) Checklist of 505 earthworms species from India, Sri Lanka and the adjacent regions (excluding Myanmar) compiled from various sources [e. g. Stephenson (1923), Gates (1972), Julka (1988) etc.]. In: Blakemore, R. J. (Ed.), A series of searchable texts on earthworm biodiversity, ecology and systematic from various regions of the world. 3 rd Edition. Available from: http: // www. annelida. net / earthworm (accessed 1 March 2020)"]}

7. Drawida duttai Julka, 1981 Drawida duttai Julka, 1981: 7. T. Yame, district Subansiri, Arunachal Pradesh, India. D. Arunachal Pradesh: Lingpo (Julka 1981), ca. 4 km NW of Tali (Julka 1981)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 280, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Julka, J. M. (1981) Taxonomic studies on the earthworms collected during the Subansiri Expedition in Arunachal Pradesh, India. Records of the Zoological Survey of India, Miscellaneous Publication, Occasional Paper, No. 26, 1 - 53."]}

20. Bimastos parvus (Eisen, 1874) Allolobophora parva Eisen, 1874: 46. Bimastos parvus (Eisen). Blakemore 2010: 616 (for further synonymies). T. Mount Lebanon, New York-New England, USA. D. West Bengal: Kalimpong (Julka 1975)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 281, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Eisen, G. (1874) New Englands och Canadas Lumbricides. Ofversigt af Kongliga Vetenskaps-Akademiens Forhandligar, Stockholm, 31 (2), 41 - 49.","Blakemore, R. J. (2010) Cosmopolitan Earthworms-an Eco-Taxonomic Guide to the Peregrine Species of the World. 4 th Edition. VermEcology So (i) lutions, Yokohama, 850 pp., 350 figs., Internet links. [December 2010]"]}

79. Metaphire birmanica (Rosa, 1888) Perichaeta birmanica Rosa, 1888: 164. Metaphire birmanica (Rosa). Blakemore 2010: 402 (for complete synonymy). T. Bhamo, Myanmar. D. Meghalaya: Mawshynrut village (Kharkongor 2018)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 290, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Rosa, D. (1888) Viaggio di Leonardo Fea in Birmanica e regioni vicine, V. Perichetidi. Annali del Museo Civico di Storia NaturaleGiacomo Doria, Series 2, 6, 155 - 167.","Blakemore, R. J. (2010) Cosmopolitan Earthworms-an Eco-Taxonomic Guide to the Peregrine Species of the World. 4 th Edition. VermEcology So (i) lutions, Yokohama, 850 pp., 350 figs., Internet links. [December 2010]","Kharkongor, I. J. (2018) Taxonomic and ecological studies on the earthworms (Annelida: Oligochaeta) of West Khasi Hills District, Meghalaya. Records of the Zoological Survey of India, 118, 56 - 74. https: // doi. org / 10.26515 / rzsi / v 118 / i 1 / 2018 / 123034"]}

6. Drawida decourcyi Stephenson, 1914 Drawida decourcyi Stephenson, 1914a: 373. T. Upper Rotung, Renging, Abor Hills, Arunachal Pradesh, India. D. Arunachal Pradesh., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 280, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Stephenson, J. (1914 a) Zoological results of the Abor Expedition, 1911 - 1912. Oligochaeta. Records of the Indian Museum, 8, 365 - 410. https: // doi. org / 10.5962 / bhl. part. 1193"]}

57. Eutyphoeus mizoramensis Julka, Ramanujam & Lalthanzara, 2005 Eutyphoeus mizoramensis Julka, Ramanujam & Lalthanzara, 2005: 70. T. Aizawl, Mizoram, India. D. Mizoram: Sakawrtuichhun (Lalthanzara & Ramanujam 2014), Pachhunga University College Aizawl (Lalthanzara & Ramanujam 2014), unspecified localities (Lalthanzara et al. 2011)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 287, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Julka, J. M., Ramanujam, S. N. & Lalthanzara, H. (2005) On a new species of earthworm genus Eutyphoeus (Octochaetidae: Oligochaeta) from Mizoram, India. Megadrilogica, 10, 69 - 74.","Lalthanzara, H. & Ramanujam, S. N. (2014) Earthworm cast production and physico-chemical properties in two agroforestry systems of Mizoram (India). Tropical Ecology, 55, 77 - 86.","Lalthanzara, H., Ramanujam, S. N. & Jha, L. K. (2011) Population dynamics of earthworms in relation to soil physico-chemical parameters in agroforestry systems of Mizoram, India. Journal of Environmental Biology, 32, 599 - 605."]}

9. Drawida limella Gates, 1934 Drawida limella Gates, 1934: 241. T. Amingaon, district Kamrup, Assam, India. D. Assam. Tripura: Unspecified localities (Chaudhuri & Bhattacharjee 1999, 2005; Chaudhuri et al. 2012)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 280, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Gates, G. E. (1934) Notes on some earthworms from the Indian Museum. Records of the Indian Museum, 36, 233 - 277.","Chaudhuri, P. S. & Bhattacharjee, G. (1999) Earthworm resources of Tripura. Proceedings of the National Academy of Sciences, India, 69 (B), 159 - 170.","Chaudhuri, P. S., Dey, A., Bhattacharjee, G. & Nath, S. (2012) Earthworm diversity in Tripura - present status. Science & Culture, 78 (7 - 8), 343 - 346."]}

48. Eutyphoeus assamensis Stephenson, 1926 Eutyphoeus assamensis Stephenson, 1926: 262. T. Katlicherra, Assam, India. D. Assam. Mizoram: Unspecified localities (Ramanujam et al. 2004). Tripura: Unspecified localities (Chaudhuri & Bhattacharjee 2005; Chaudhuri et al. 2008, 2009, 2012)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 286, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Stephenson, J. (1926) Descriptions of Indian Oligochaeta. I. Records of the Indian Museum, 28, 249 - 267.","Ramanujam, S. N., Lalthanzara, H. & Jha, L. K. (2004) Biodiversity of earthworms in Mizoram. Journal of Nature Conservators, 16, 129 - 134.","Chaudhuri, P. S., Nath, S. & Paliwal, R. (2008) Earthworm population of rubber plantations (Hevea brasiliensis) in Tripura, India. Tropical Ecology, 49, 225 - 234.","Chaudhuri, P. S., Nath, S., Bhattacharjee, S. & Paliwal, R. (2009) Biomass, density and diversity of earthworms under rubber (Hevea brasiliensis) plantations in Tripura, India. The Bioscan, 4 (3), 475 - 479.","Chaudhuri, P. S., Dey, A., Bhattacharjee, G. & Nath, S. (2012) Earthworm diversity in Tripura - present status. Science & Culture, 78 (7 - 8), 343 - 346."]}

64. Octochaetona surensis (Michaelsen, 1910) Octochaetus surensis Michaelsen, 1910: 88. Octochaetona surensis (Michaelsen). Julka 1988a: 292 (for further synonymy). T. Sur Lake, district Puri, Odisha, India. D. Assam: Kinchana near Amingaon (Gates 1934)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 288, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Michaelsen, W. (1910) Die Oligochatenfauna der vorderindisch-ceylonischen Region. Abhandlungen aus dem Gebiete der Naturwissenschaften, herausgegeben vom Naturwissenschaftlichen Verein in Hamburg, 19 (5), 1 - 108.","Julka, J. M. (1988 a) The Fauna of India and the adjacent countries. Megadrile Oligochaeta (Earthworms). Haplotaxida: Lumbricina: Megascolecoidea: Octochaetidae. Zoological Survey of India, Calcutta, 400 pp.","Gates, G. E. (1934) Notes on some earthworms from the Indian Museum. Records of the Indian Museum, 36, 233 - 277."]}

61. Lennogaster chittagongensis (Stephenson, 1917) Eudichogaster chittagongensis Stephenson, 1917: 411. Lennogaster chittagongensis (Stephenson). Julka 1988a: 245 (for further synonymy). T. Rangamati, Chittagong Hill Tracts, Bangladesh. D. Tripura: Unspecified localities (Chaudhuri et al. 2008, 2009, 2012; Jamatia & Chaudhuri 2017)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 287, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Stephenson, J. (1917) On a collection of Oligochaeta from various parts of India and further India. Records of the Indian Museum, 13, 353 - 416. https: // doi. org / 10.5962 / bhl. part. 5865","Julka, J. M. (1988 a) The Fauna of India and the adjacent countries. Megadrile Oligochaeta (Earthworms). Haplotaxida: Lumbricina: Megascolecoidea: Octochaetidae. Zoological Survey of India, Calcutta, 400 pp.","Chaudhuri, P. S., Nath, S. & Paliwal, R. (2008) Earthworm population of rubber plantations (Hevea brasiliensis) in Tripura, India. Tropical Ecology, 49, 225 - 234.","Chaudhuri, P. S., Nath, S., Bhattacharjee, S. & Paliwal, R. (2009) Biomass, density and diversity of earthworms under rubber (Hevea brasiliensis) plantations in Tripura, India. The Bioscan, 4 (3), 475 - 479.","Chaudhuri, P. S., Dey, A., Bhattacharjee, G. & Nath, S. (2012) Earthworm diversity in Tripura - present status. Science & Culture, 78 (7 - 8), 343 - 346.","Jamatia, S. K. S. & Chaudhuri, P. S. (2017) Earthworm community structure under tea plantations (Camellia sinensis) of Tripura (India). Tropical Ecology, 58, 105 - 113."]}

78. Metaphire anomala (Michaelsen, 1907) Pheretima anomala Michaelsen, 1907: 167. Metaphire anomala (Michaelsen). Blakemore 2010: 396 (for further synonyms). T. Sibpur near Kolkata, West Bengal, India. D. Manipur: Koirengei Forest (Haokip & Singh 2012, 2017). West Bengal: Pashok (Gates 1937), Kalimpong (Halder 1999a), Reang (Halder 1999a)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 290, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Michaelsen, W. (1907) Neue Oligochaeten von Vorder-Indien, Ceylon, Birma, und den Andaman-Inseln. Jahrbuch der Hamburgischen Wissenschaftlichen Anstalten, Hamburg, 24 (2), 143 - 188.","Blakemore, R. J. (2010) Cosmopolitan Earthworms-an Eco-Taxonomic Guide to the Peregrine Species of the World. 4 th Edition. VermEcology So (i) lutions, Yokohama, 850 pp., 350 figs., Internet links. [December 2010]","Haokip, S. L. & Singh, T. B. (2012) Diversity and distribution of earthworms in a natural reserved and disturbed tropical forest ecosystem of Imphal-West, Manipur, India. International Multidisciplinary Research Journal, 2 (2), 28 - 34.","Haokip, S. L. & Singh, T. B. (2017) Comparative studies on the earthworm community structure in the natural mixed and oak plantation sub-tropical forests ecosystem of Imphal, Manipur, India. International Journal of Ecology and Environmental Sciences, 43, 319 - 329.","Gates, G. E. (1937) Indian earthworms. I. The genus Pheretima. Records of the Indian Museum, 39 (2), 175 - 212.","Halder, K. R. (1999 a) Annelida: Oligochaeta: Earthworms. In: State Fauna. Series 3. Fauna of West Bengal. Part 10. Zoological Survey of India, Calcutta, pp. 17 - 93."]}

8. Drawida kempi Stephenson, 1914 Drawida kempi Stephenson, 1914a: 376. Drawida pellucida (Bourne). Stephenson 1914a: 368. Drawida rotungana Stephenson, 1914a: 372. Drawida pellucida f. typica (Bourne). Stephenson 1923 (in part, excluding specimens from South India): 150. T. Between Renging and Rotung, Abor Hills, Arunachal Pradesh, India. D. Arunachal Pradesh: Rotung (Stephenson 1914a), Upper Rotung (Stephenson 1914a), Chowkham (Julka, 1976), Wakro (Julka, 1976), Tihun (Julka, 1976), Taliha (Julka 1981), Yame (Julka 1981), Damin (Julka 1981), Pabin (Julka 1981), Parsipala (Julka 1981), Richik (Julka 1981), ca. 3 km E of Richik (Julka 1981), Vidak (Julka 1981)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 280, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Stephenson, J. (1914 a) Zoological results of the Abor Expedition, 1911 - 1912. Oligochaeta. Records of the Indian Museum, 8, 365 - 410. https: // doi. org / 10.5962 / bhl. part. 1193","Stephenson, J. (1923) Oligochaeta. The Fauna of British India, including Ceylon and Burma, Taylor and Francis, London, 518 pp.","Julka, J. M. (1976) Studies on the earthworms collected during the Daphabum Expedition in Arunachal Pradesh, India. Records of the Zoological Survey of India, 69, 229 - 239.","Julka, J. M. (1981) Taxonomic studies on the earthworms collected during the Subansiri Expedition in Arunachal Pradesh, India. Records of the Zoological Survey of India, Miscellaneous Publication, Occasional Paper, No. 26, 1 - 53."]}

77. Lampito mauritii Kinberg, 1867 Lampito mauritii Kinberg, 1867: 103. Lampito mauritii Kinberg. Gates 1972: 133 (for further synonyms). T. Mauritius. D. Assam: Unspecified localities (Rajkhowa et al. 2015). Tripura: Panisagar (Halder 2000), unspecified localities (Chaudhuri & Bhattacharjee 1999, 2005; Chaudhuri et al. 2012; Dey & Chaudhuri 2014)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 290, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Kinberg, J. G. H. (1867) Annulata nova. Ofversigt af Koniglich Vetenskaps-Akademiens Forhandlingar, Stockholm, 23 (9), 97 - 103 + 337 - 357.","Gates, G. E. (1972) Burmese earthworms. An introduction to the systematics and biology of megadrile oligochaetes with special reference to southeast Asia. Transactions of the American Philosophical Society, 62 (7), 1 - 326. https: // doi. org / 10.2307 / 1006214","Rajkhowa, D. J., Bhattacharyya, P. N., Sarma, A. K., and Mahanta, K. (2015) Diversity and distribution of earthworms in different soil habitats of Assam, North-East India, an Indo-Burma Biodiversity Hotspot. Proceedings of the National Academy of Sciences, India Section B: Biological Sciences, 85 (2), 389 - 396. https: // doi. org / 10.1007 / s 40011 - 014 - 0380 - 1","Halder, K. R. (2000) Oligochaeta: Earthworm. In: State Fauna. Series 7. Fauna of Tripura. Part 4. Zoological Survey of India, Calcutta, pp. 239 - 236.","Chaudhuri, P. S. & Bhattacharjee, G. (1999) Earthworm resources of Tripura. Proceedings of the National Academy of Sciences, India, 69 (B), 159 - 170.","Chaudhuri, P. S., Dey, A., Bhattacharjee, G. & Nath, S. (2012) Earthworm diversity in Tripura - present status. Science & Culture, 78 (7 - 8), 343 - 346.","Dey, A. & Chaudhuri, P. S. (2014) Earthworm community structure of pineapple (Ananas comosus) plantations under monoculture and mixed culture in West Tripura, India. Tropical Ecology, 55, 1 - 17."]}

63. Octochaetona beatrix (Beddard, 1902) Octochaetus beatrix Beddard, 1902: 456. Octochaetona beatrix (Beddard). Julka 1988a: 271 (for further synonymy). T. Kolkata (formerly Calcutta), West Bengal, India. D. Sikkim: Rangpoo (Subedi et al. 2018c), Bhagey Khola (Subedi et al. 2018c), Singtam (Subedi et al. 2018c). Tripura: Unspecified localities (Chaudhuri et al. 2008, 2009, 2012; Jamatia & Chaudhuri 2017). West Bengal: Reang (Halder 1999a)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 288, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Beddard, F. E. (1902) On two new earthworms of the family Megascolicidae. Annals and Magazine of Natural History, Series 7, 9 (54), 456 - 463. https: // doi. org / 10.1080 / 00222930208678621","Julka, J. M. (1988 a) The Fauna of India and the adjacent countries. Megadrile Oligochaeta (Earthworms). Haplotaxida: Lumbricina: Megascolecoidea: Octochaetidae. Zoological Survey of India, Calcutta, 400 pp.","Subedi, H. P., Saxena, R. M. & Reynolds, J. W. (2018 c) New earthworm (Oligochaeta: Octochaetidae) records of Dichogaster curgensis and Octochaetona beatrix from Sikkim. Megadrilogica, 23, 131 - 137.","Chaudhuri, P. S., Nath, S. & Paliwal, R. (2008) Earthworm population of rubber plantations (Hevea brasiliensis) in Tripura, India. Tropical Ecology, 49, 225 - 234.","Chaudhuri, P. S., Nath, S., Bhattacharjee, S. & Paliwal, R. (2009) Biomass, density and diversity of earthworms under rubber (Hevea brasiliensis) plantations in Tripura, India. The Bioscan, 4 (3), 475 - 479.","Chaudhuri, P. S., Dey, A., Bhattacharjee, G. & Nath, S. (2012) Earthworm diversity in Tripura - present status. Science & Culture, 78 (7 - 8), 343 - 346.","Jamatia, S. K. S. & Chaudhuri, P. S. (2017) Earthworm community structure under tea plantations (Camellia sinensis) of Tripura (India). Tropical Ecology, 58, 105 - 113.","Halder, K. R. (1999 a) Annelida: Oligochaeta: Earthworms. In: State Fauna. Series 3. Fauna of West Bengal. Part 10. Zoological Survey of India, Calcutta, pp. 17 - 93."]}

54. Eutyphoeus incommodus (Beddard, 1901) Typhoeus incommodus Beddard, 1901: 200. Eutyphoeus mohammedi Stephenson, 1914b: 350. Eutyphhoeus annandalei var. fulgidus Stephenson, 1916: 342. Eutyphoeus incommodus (Beddard). Julka 1988a: 145 (for further synonymy). T. Kolkata (formerly Calcutta), West Bengal, India. D. Arunachal Pradesh: Zero Camp Namdapha (Halder et al. 2007)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 287, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Beddard, F. E. (1901) Contributions to the knowledge of the structure and systematic arrangement of earthworms. Proceedings of the Zoological Society of London, 1901 (1), 187 - 206. https: // doi. org / 10.1111 / j. 1469 - 7998.1901. tb 08539. x","Stephenson, J. (1914 b) On a collection of Oligochaeta mainly from northern India. Records of the Indian Museum, 10 (6), 321 - 365. https: // doi. org / 10.5962 / bhl. part. 5632","Stephenson, J. (1916) On a collection of Oligochaeta belonging to the Indian Museum. Records of the Indian Museum, 12, 299 - 354.","Julka, J. M. (1988 a) The Fauna of India and the adjacent countries. Megadrile Oligochaeta (Earthworms). Haplotaxida: Lumbricina: Megascolecoidea: Octochaetidae. Zoological Survey of India, Calcutta, 400 pp.","Halder, K. R., Dhani, S. & Mandal, C. K. (2007) On some earthworms present in unnamed collections of Zoological Survey of India. Records of the Zoological Survey of India, 107, 79 - 93."]}

17. Drawida tihunensis Julka, 1976 Drawida tihunensis Julka, 1976: 230 T. Tihun, Lohit district, Arunachal Pradesh, India. D. Arunachal Pradesh., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 281, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Julka, J. M. (1976) Studies on the earthworms collected during the Daphabum Expedition in Arunachal Pradesh, India. Records of the Zoological Survey of India, 69, 229 - 239."]}

122. Tonoscolex horai (Stephenson, 1922) Megascolex horai Stephenson, 1922: 432. Tonoscolex horai (Stephenson). Gates 1934: 256. T. Cherrapunji, Meghalaya, India. D. Meghalaya: Jowai (Halder 1999b), Thadlaskein (Halder 1999b), Dumpep (Gates 1945), below Dumpep Dak Bunglow (Gates 1945), Mawphlang (Julka 1977), Shillong (Julka 1977; Bhadauria & Ramakrishnan 1989), Nongkhnum���Lailad (Kharkongor 2018)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on page 295, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Stephenson, J. (1922) Some earthworms from Kashmir, Bombay, and other parts of India. Records of the Indian Museum, 24, 427 - 443.","Gates, G. E. (1934) Notes on some earthworms from the Indian Museum. Records of the Indian Museum, 36, 233 - 277.","Halder, K. R. (1999 b) Oligochaeta: Earthworm. In: State Fauna. Series 4. Fauna of Meghalaya. Part 9. Zoological Survey of India, Calcutta, pp. 393 - 439.","Gates, G. E. (1945) On some Indian earthworms. II. Journal of the Royal Asiatic Society of Bengal, 11, 54 - 91.","Bhadauria, T. & Ramakrishnan, P. S. (1989) Earthworm population dynamics and contribution to nutrient cycling during cropping and fallow phases of shifting agriculture (jhum) in north-east India. Journal of Applied Ecology, 26, 505 - 520. https: // doi. org / 10.2307 / 2404077","Kharkongor, I. J. (2018) Taxonomic and ecological studies on the earthworms (Annelida: Oligochaeta) of West Khasi Hills District, Meghalaya. Records of the Zoological Survey of India, 118, 56 - 74. https: // doi. org / 10.26515 / rzsi / v 118 / i 1 / 2018 / 123034"]}

13. Drawida papillifer papillifer Stephenson, 1917 Drawida papillifer Stephenson, 1917: 370. Drawida papillifer papillifer Stephenson, Gates 1972: 258 (for further synonymies). T. Rangamati, Chittagong Hill Tracts, Bangladesh. D. Meghalaya: Cherrapunji (Stephenson 1922), Nongstoi�� (Kharkongor 2018). Tripura: Unspecified localities (Chaudhuri & Bhattacharjee 1999, 2005; Chaudhuri et al. 2009, 2012; Dey & Chaudhuri 2014, 2016; Jamatia & Chaudhuri 2017)., Published as part of Tiwari, Nalini, Paliwal, R., Rashid, Azhar & Yadav, Shweta, 2020, Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India, pp. 277-305 in Zootaxa 4772 (2) on pages 280-281, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Stephenson, J. (1917) On a collection of Oligochaeta from various parts of India and further India. Records of the Indian Museum, 13, 353 - 416. https: // doi. org / 10.5962 / bhl. part. 5865","Gates, G. E. (1972) Burmese earthworms. An introduction to the systematics and biology of megadrile oligochaetes with special reference to southeast Asia. Transactions of the American Philosophical Society, 62 (7), 1 - 326. https: // doi. org / 10.2307 / 1006214","Stephenson, J. (1922) Some earthworms from Kashmir, Bombay, and other parts of India. Records of the Indian Museum, 24, 427 - 443.","Kharkongor, I. J. (2018) Taxonomic and ecological studies on the earthworms (Annelida: Oligochaeta) of West Khasi Hills District, Meghalaya. Records of the Zoological Survey of India, 118, 56 - 74. https: // doi. org / 10.26515 / rzsi / v 118 / i 1 / 2018 / 123034","Chaudhuri, P. S. & Bhattacharjee, G. (1999) Earthworm resources of Tripura. Proceedings of the National Academy of Sciences, India, 69 (B), 159 - 170.","Chaudhuri, P. S., Nath, S., Bhattacharjee, S. & Paliwal, R. (2009) Biomass, density and diversity of earthworms under rubber (Hevea brasiliensis) plantations in Tripura, India. The Bioscan, 4 (3), 475 - 479.","Chaudhuri, P. S., Dey, A., Bhattacharjee, G. & Nath, S. (2012) Earthworm diversity in Tripura - present status. Science & Culture, 78 (7 - 8), 343 - 346.","Dey, A. & Chaudhuri, P. S. (2014) Earthworm community structure of pineapple (Ananas comosus) plantations under monoculture and mixed culture in West Tripura, India. Tropical Ecology, 55, 1 - 17.","Dey, A. & Chaudhuri, P. S. (2016) Species richness, community organization, and spatiotemporal distribution of earthworms in the pineapple agroecosystems of Tripura, India. International Journal of Ecology, 2016, 1 - 19. https: // doi. org / 10.1155 / 2016 / 3190182","Jamatia, S. K. S. & Chaudhuri, P. S. (2017) Earthworm community structure under tea plantations (Camellia sinensis) of Tripura (India). Tropical Ecology, 58, 105 - 113."]}