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102. Perionyx kempi Stephenson, 1914 Perionyx kempi Stephenson, 1914a: 389. T. Kobo in Abor Hills, Arunachal Pradesh, India. D. Arunachal Pradesh: Doju Bung (Julka 1981), 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 293, 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. (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."]}

119. Perionyx variegatus (Michaelsen, 1907) Perionychella variegata Michaelsen, 1907: 158. T. Phallut, district Darjeeling, West Bengal, India. D. Arunachal Pradesh: Sinkie River near Police Colony Itanagar (Halder et al. 2007). Sikkim : Nathang (Soota & Halder 1981). 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 295, 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.","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.","Soota, T. D. & Halder, K. R. (1981) On some earthworms from eastern Himalayas. Records of the Zoological Survey of India, 79, 231 - 234."]}

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."]}

100. Perionyx inornatus Stephenson, 1916 Perionyx inornatus Stephenson, 1916: 320. 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 293, 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."]}

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."]}

22. Dendrobaena hortensis (Michaelsen, 1890) Allolobophora subrubicunda var. hortensis Michaelsen 1890a: 15. Dendrobaena hortensis (Michaelsen). Blakemore 2010: 627 (for further synonyms). T. Hamburg, Germany. D. West Bengal: Dow Hill Kurseong (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 282, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Michaelsen W. (1890 a) Die Lumbriciden Norddeutschlands. Jahrbuch der Hamburgischen Wissenschaftlichen Anstalten, 7, 1 - 19.","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]"]}

45. Dichogaster modiglianii (Rosa, 1896) Benhamia modiglianii Rosa, 1896: 510. For synonyms see Csuzdi (2010: 84). T. Pedang, Sumatra, Indonesia. D. Meghalaya: Tura (Julka 1988a), Ward Lake Shillong (Halder 1999b). Sikkim: Namchi (Halder 2003), Sombaria (Halder 2003). Tripura: Unspecified localities (Chaudhuri & Bhattacharjee 1999, 2005; Chaudhuri et al. 2012). West Bengal: 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 285, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Rosa, D. (1896) Ilombrichi raccolti a Sumatra dal Dott. E. Modigliani. Annali del Museo Civico di Storia Naturale di Genova, Serie 2, 16, 502 - 532.","Csuzdi, Cs. (2010) A monograph of the paleotropical Benhamiinae earthworms (Annelida: Oliochaeta, Acanthodrilidae). Pedozoologica Hungarica, No. 6, 1 - 215.","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. (1999 b) Oligochaeta: Earthworm. In: State Fauna. Series 4. Fauna of Meghalaya. Part 9. Zoological Survey of India, Calcutta, pp. 393 - 439.","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.","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."]}

108. Perionyx pincernus Stephenson, 1916 Perionyx pincerna Stephenson, 1916: 319. Perionyx pincernus Stephenson. Blakemore 2007: 47. T. Near Ghoom, 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 294, 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.","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)"]}

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."]}

74. Kanchuria octotheca Julka, 1988 Kanchuria octotheca Julka, 1988b: 88. T. Tura, Garo Hills, Meghalaya, India. D. Meghalaya: Phud-Umlieh (Kharkongor 2018), Nongstoi��-Siejlieh (Kharkongor 2018), Pamphyrnai (Kharkongor 2018), Winnia Falls (Kharkongor 2018), Nongstoi�� (Kharkongor 2018), Mawlongphlang (Kharkongor 2018), on way to Langja village (Kharkongor 2018), Nondei�� (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":["Julka, J. M. (1988 b) On a new genus and three new species of earthworms (Megascolecidae: Oligochaeta) from northeast India. Research Bulletin (Science) Panjab University, 39, 85 - 92.","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"]}

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."]}

43. Dichogaster annae (Horst, 1893) Benhamia annae Horst, 1893: 32. Benhamia travancorensis Fedarb, 1898: 433. Dichogaster curgensis Michaelsen, 1922: 54. Dichogaster curgensis var. unilocularis Stephenson, 1931a: 69. Dichogaster (Diplothecodrilus) annae (Horst). Csuzdi 1995: 112. For further synonyms see Blakemore (2010: 227). T: Cameroon (and Java). D. Sikkim: Khamdong (Subedi et al. 2018c), Lower Barbing (Subedi et al. 2018c), Tarku (Subedi et al. 2018c), Temi Tarku (Subedi et al. 2018c)., 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 285, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Horst, H. (1893) Earthworms from the Malay Archipelago. Zoologische Ergebnisse einer Reise in Niederlandisch-Ost-Indien, 3, 28 - 77.","Fedarb, S. M. (1898) On some earthworms from India. Journal of the Bombay Natural History Society, 11 (3), 431 - 437.","Michaelsen, W. (1922) Oligochaten vom westlichen Vorderindien und ihre Beziehungen zur Oligochatenfauna von Madagaskar und den Seychellen. Mitteilungen aus dem Zoologischen Staatsinstitut und Museum in Hamburg, 38, 27 - 68.","Stephenson, J. (1931 a) Oligochaeta from Burma, Kenya and other parts of the world. Proceedings of the Zoological Society of London, 1931, 33 - 92.","Csuzdi, Cs. (1995) A catalogue of Benhamiinae species (Annelida: Oligochaeta: Acanthodrilidae). Annalen des Naturhistorischen Museums in Wien, 97 B, 99 - 123.","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]","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."]}

113. Perionyx rufulus Gates, 1945 Perionyx rufulus Gates, 1945: 74. T. Khezhabama, 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 294, 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."]}

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."]}

71. Amynthas papulosus (Rosa, 1896) Perichaeta papulosa Rosa, 1896: 525. Amynthas papulosus (Rosa). Blakemore 2010: 368 (for further synonyms). T. Balighe (now Balige), Sumatra, Indonesia. D. Meghalaya: Nongstoi�����Siejlieh (Kharkongor 2018). R. Tentative identification (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 pages 289-290, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Rosa, D. (1896) Ilombrichi raccolti a Sumatra dal Dott. E. Modigliani. Annali del Museo Civico di Storia Naturale di Genova, Serie 2, 16, 502 - 532.","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"]}

114. Perionyx setnai Stephenson, 1931 Perionyx setnai Stephenson, 1931a: 63. T. 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 294, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Stephenson, J. (1931 a) Oligochaeta from Burma, Kenya and other parts of the world. Proceedings of the Zoological Society of London, 1931, 33 - 92."]}

104. Perionyx macintoshi Beddard, 1883 Perionyx ���m���intoshii ��� Beddard, 1883: 217. ? Lampito dubius Stephenson, 1916: 315. ? Megascolex dubius (Stephenson). Stephenson 1923: 240. Perionyx macintoshi Beddard. Gates 1972: 144 (for complete synonymy). T. Akyab, Myanmar. D. Arunachal Pradesh: Yame (Julka 1981), Pabin (Julka 1981), Damin (Julka 1981), Vidak (Julka 1981), ca. 7.5 km S of Mursing village (Julka & Halder 1975). Meghalaya: Dumpep (Gates 1952), Cantonment Hill Cherrapunji (Stephenson 1924b), Cherrapunji (Michaelsen 1910), Mawsmai Cave Cherrapunji (Halder 1999b). Mizoram: Pachhunga University College Aizawl (Lalthanzara & Ramanujam 2014), unspecified localities (Lalthanzara et al. 2011; Ramanujam et al. 2004). Tripura: Unspecified localities (Chaudhuri et al. 2012). West Bengal: ? Kurseong (Stephenson 1916), near Goomti Rest House Mahanadi (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 293, 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","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","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. & Halder, K. R. (1975) On the occurrence of the giant earthworm, Perionyx macintoshi Beddard, in Bhutan and Arunachal Pradesh (India). Proceedings of the Zoological Society of Calcutta, 28, 15 - 17.","Gates, G. E. (1952) On some earthworms from Burma. American Museum Novitates, No. 1555, 1 - 13.","Stephenson, J. (1924 b) On some Indian Oligochaeta, with a description of two new genera of Ocnerodrilinae. Records of the Indian Museum, 26, 317 - 365.","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.","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.","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.","Ramanujam, S. N., Lalthanzara, H. & Jha, L. K. (2004) Biodiversity of earthworms in Mizoram. Journal of Nature Conservators, 16, 129 - 134.","Chaudhuri, P. S., Dey, A., Bhattacharjee, G. & Nath, S. (2012) Earthworm diversity in Tripura - present status. Science & Culture, 78 (7 - 8), 343 - 346."]}

89. Perionyx annulatus Stephenson, 1914 Perionyx annulatus Stephenson, 1914a: 386. T. South of Yembung and Rotung in 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 292, 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"]}

91. Perionyx daminensis Julka, 1981 Perionyx daminensis Julka, 1981: 20. 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 292, 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."]}

110. Perionyx pokhrianus affinis Stephenson, 1920 Perionyx pokhrianus var. affinis Stephenson, 1920: 210. Perionyx pokhrianus affinis Stephenson. Blakemore 2007: 47. T. Sitong Ridge, Jorpokhri, 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 294, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Stephenson, J. (1920) On a collection of Oligochaeta from the lesser known parts of India and from eastern Persia. Memoirs of the Indian Museum, 7, 191 - 261.","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)"]}

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."]}

117. Perionyx sikkimensis michaelseni Stephenson, 1923 Perionyx sikkimensis var. michaelseni Stephenson, 1923: 359. Perionyx sikkimensis (Michaelsen). Michaelsen 1910 (in part): 60. T. Gangtok, Sikkim, India. D. Sikkim., 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. (1923) Oligochaeta. The Fauna of British India, including Ceylon and Burma, Taylor and Francis, London, 518 pp.","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."]}

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)"]}

75. Kanchuria sumerianus Julka, 1988 Kanchuria sumerianus Julka, 1988b: 89. T. Sumer nr. Shillong, Meghalaya, India. D. Manipur: Koirengei Forest (Haokip & Singh 2017). Meghalaya: Shillong (Julka 1988b), about 4 km on Nongstoi�����Nongkhnum Road (Kharkongor 2018). Tripura: Suba Lake (Halder 2000), Fuldensei (Halder 2000), Vangmun (Halder 2000), Moharchhora (Halder 2000), Aglapur (Halder 2000), Dakshin Nayapara (Halder 2000), Asarambari (Halder 2000), Dakshin Pulinpur (Halder 2000), unspecified localities (Chaudhuri et al. 2008, 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 290, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Julka, J. M. (1988 b) On a new genus and three new species of earthworms (Megascolecidae: Oligochaeta) from northeast India. Research Bulletin (Science) Panjab University, 39, 85 - 92.","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.","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., 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"]}

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."]}

95. Perionyx foveatus Stephenson, 1914 Perionyx foveatus Stephenson, 1914a: 396. T. Renging, Rotung and upper Rotung in Abor Hills, Arunachal Pradesh, India. D. Arunachal Pradesh. Meghalaya: Nonglang 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 293, 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","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"]}

118. Perionyx turaensis Stephenson, 1920 Perionyx turaensis Stephenson, 1920: 216. T. Tura, Garo Hills, Meghalaya, India. D. Arunachal Pradesh: 79 Mile Camp on Miao-Vijaynagar Road (Halder et al. 2007). Meghalaya: Malki (Halder 1999b). R. The species is possibly a synonym of Perionyx excavatus (Gates 1972: 147; Blakemore 2010: 267)., 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. (1920) On a collection of Oligochaeta from the lesser known parts of India and from eastern Persia. Memoirs of the Indian Museum, 7, 191 - 261.","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.","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. (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","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]"]}

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"]}