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101. Perionyx jorpokriensis Julka, 1975 Perionyx jorpokriensis Julka, 1975: 21. T. Sukiapokri and Jorpokri, district Darjeeling, West Bengal, India. D. Sikkim: Namchi (Subedi et al. 2018b). West Bengal: 1 km E of Jorpokri (Julka 1975), Palmajoa (Soota & Halder 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 293, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Subedi, H. P., Saxena, R. M. & Reynolds, J. W. (2018 b) New records of earthworm species Amynthas morrisi, Perionyx himalayanus and Perionyx jorpokriensis (Oligochaeta; Megascolecidae) from Sikkim, India. Megadrilogica, 23, 69 - 77.","Soota, T. D. & Halder, K. R. (1981) On some earthworms from eastern Himalayas. Records of the Zoological Survey of India, 79, 231 - 234."]}

112. Perionyx rimatus Stephenson, 1920 Perionyx rimatus Stephenson, 1920: 206. T. Jorpokhri, Sitong, district Darjeeling, West Bengal, India. 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 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."]}

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."]}

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."]}

65. Scolioscolides bergtheili (Michaelsen, 1907) Megascolides bergtheili Michaelsen, 1907: 150. Scolioscolides bergtheili (Michaelsen). Julka 1988a: 335. 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 288, 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."]}

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."]}

93. Perionyx excavatus Perrier, 1872 Perionyx excavatus Perrier, 1872: 126. Perionyx excavatus Perrier. Blakemore 2010: 267 (for further synonyms). T. Saigon, Vietnam. D. Arunachal Pradesh: Taliha (Julka 1981), Ayumuring (Julka 1981), Richik (Julka 1981), Huri (Julka 1981), Pabin (Julka 1981), Parsipapa (Julka 1981), Tumbia (Julka 1981), near Kau Pass (Julka 1981), 3 km E of Richik (Julka 1981), Kabak (Julka 1981), Vidak (Julka 1981), Chowkham (Julka 1976), Rotung (Stephenson 1914a), Renging (Stephenson 1914a), Upper Rotung (Stephenson 1914a), Miao (Halder et al. 2007), Darlak (Halder et al. 2007). Assam: Katlicherta (Stephenson 1926), Dibrugarh (Stephenson 1914a), Guwahati (Gates 1960), Sadiya (Stephenson 1914a), unspecified localities (Rajkhowa et al. 2015). Manipur: Lamphel Pat (Stephenson 1921), Imphal (Stephenson 1921), Potsengbham (Stephenson 1921), Thanga Island (Stephenson 1921). Meghalaya: Mawphlang (Julka 1977), Shillong (Julka 1977; Halder et al. 2007), Mauryngnang (Halder 1999b), Muktapur (Halder 1999b), Nonglang village (Kharkongor 2018). Mizoram: Sakawrtuichhun (Lalthanzara & Ramanujam 2014), Pachhunga University College Aizawl (Lalthanzara & Ramanujam 2014), unspecified localities (Lalthanzara et al. 2011; Ramanujam et al. 2004). Sikkim: Rangpo (Halder 2003), Gangtok (Halder 2003), Sombaria (Halder 2003), Manul (Soota & Halder 1981), Mangan (Soota & Halder 1981). Tripura: Ramnagar (Halder 2000), unspecified localities (Chaudhuri & Bhattacharjee 1999, 2005; Chaudhuri et al. 2012; Dey & Chaudhuri 2014). West Bengal: Darjeeling (Halder et al. 2007), Phallut (Michaelsen 1909), Pashok (Gates 1960), near Ghoom (Stephenson 1916), Kurseong (Michaelsen 1909), Dhobikhola Stream Kurseong (Julka 1975), Dow Hill (Julka 1975), Kalimpong (Julka 1975), near Mahananda River Siliguri (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 292, 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]","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.","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","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.","Gates, G. E. (1960) On Burmese earthworms of the family Megascolecidae. Bulletin of the Museum of Comparative Zoology at Harvard College, 123 (6), 201 - 282.","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","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","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","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.","Halder, K. R. (2003) Oligochaeta: Earthworm. In: State Fauna. Series 9. Fauna of Sikkim. Part 5. Zoological Survey of India, Calcutta, pp. 91 - 116.","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., 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.","Michaelsen, W. (1909) The Oligochaeta of India, Nepal, Ceylon, Burma and the Andaman Islands. Memoirs of the Indian Museum, 1, 103 - 253.","Stephenson, J. (1916) On a collection of Oligochaeta belonging to the Indian Museum. Records of the Indian Museum, 12, 299 - 354."]}

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."]}

46. Dichogaster saliens (Beddard, 1893) Microdrilus saliens Beddard, 1893: 683. Microdrilus asiaticus (laps.) Beddard, 1893: 706. Dichogaster (Diplothecodrilus) saliens (Beddard). Csuzdi 2010: 77 (for further synonyms). T. Undesignated (?). Types supposedly from Penang, Java and Singapore, but were collected from earth that arrived at Kew Gardens. D. Arunachal Pradesh: Taliha (Julka 1981), Chowkham (Julka 1976, 1988a), Wakro (Julka 1976, 1988a). Assam: Unspecified localities (Rajkhowa et al. 2015). Meghalaya: Mawphlang (Julka 1977), Barapani (Julka 1977, 1988a), Sumer (Julka 1988a), Tura (Julka 1988a), Mawshynrut village (Kharkongor 2018). Sikkim: Rongli (Julka 1988a), Rongli-Chu river bed (Julka 1988a), Makaibari (Julka 1988a), Rimbi (Soota & Halder 1981). West Bengal: Pashok (Stephenson 1920)., 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":["Beddard, F. E. (1893) On some new species of earthworms from various parts of the world. Proceedings of the Zoological Society of London, 1892, 666 - 706. https: // doi. org / 10.1111 / j. 1096 - 3642.1892. tb 01789. x","Csuzdi, Cs. (2010) A monograph of the paleotropical Benhamiinae earthworms (Annelida: Oliochaeta, Acanthodrilidae). Pedozoologica Hungarica, No. 6, 1 - 215.","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.","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.","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","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","Soota, T. D. & Halder, K. R. (1981) On some earthworms from eastern Himalayas. Records of the Zoological Survey of India, 79, 231 - 234.","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."]}

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"]}

99. Perionyx horai Stephenson, 1924 Perionyx horai Stephenson, 1924b: 342. T. Cantonment Hill Cherrapunji, Meghalaya, India. D. Meghalaya: Cherrapunji (Gates 1960), Domkseh 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. (1924 b) On some Indian Oligochaeta, with a description of two new genera of Ocnerodrilinae. Records of the Indian Museum, 26, 317 - 365.","Gates, G. E. (1960) On Burmese earthworms of the family Megascolecidae. Bulletin of the Museum of Comparative Zoology at Harvard College, 123 (6), 201 - 282.","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"]}

120. Perionyx vidakensis Julka, 1981 Perionyx vidakensis Julka, 1981: 27. T. Vidak, district Subansiri, Arunachal Pradesh, India. D. Arunachal Pradesh: Rui (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 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."]}

96. Perionyx gravelyi Stephenson, 1917 Perionyx gravelyi Stephenson, 1917: 378. T. Pashok, district Darjeeling, West Bengal, India. D. Arunachal Pradesh: Ayumuring (Julka 1981), Lingpo (Julka 1981), Kolang (Julka 1981), Parsipala (Julka 1981), Rui (Julka 1981), Vidak (Julka 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 293, 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. (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."]}

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."]}

41. Gordiodrilus elegans Beddard, 1892 Gordiodrilus elegans Beddard, 1892a: 84. Blakemore 2010: 176. Gordiodrilus travancorensis Michaelsen, 1910: 98. Gordiodrilus paski Stephenson, 1928: 1. Gordiodrilus unicus Stephenson, 1931b: 79. Gordiodrilus peguanus Gates, 1942: 85. Gordiodrilus elegans morph paski (Stephenson). Julka 1982: 149. Gordiodrilus bonacanus Černosvitov, 1942: 215. T. Lagos, Nigeria in soil taken to Kew Gardens. D. Assam: Unspecified localities (Rajkhowa et al. 2015). Sikkim: Ranipool (Halder 2003), Gangtok (Halder 2003), Jorthang (Halder 2003), Geyzing (Halder 2003), Naya Bazar (Hal- der 2003). Tripura: Shanichara (Halder 2000), unspecified localities (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 284, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Beddard, F. E. (1892 a) On a new genus of Oligochaeta comprising five new species belonging to the family Ocnerodrilidae. Annals and Magazine of Natural History, Series 6, 10 (55), 74 - 97. https: // doi. org / 10.1080 / 00222939208677375","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]","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. (1928) Oligochaeta from laake Tanganyika (Dr. C. Christy's Expedition, 1926). Annals and Magazine of Natural History, Series 10, 1, 1 - 17. https: // doi. org / 10.1080 / 00222932808672746","Stephenson, J. (1931 b) Descriptions of Indian Oligochaeta. II. Records of the Indian Museum, 33, 173 - 202.","Gates, G. E. (1942) Notes on various peregrine earthworms. Bulletin of the Museum of Comparative Zoology at Harvard College, 89, 61 - 144.","Julka, J. M. (1982) Earthworm fauna of the Andaman and Nicobar Islands, India. Records of the Zoological Survey of India, 80, 127 - 155.","Cernosvitov, L. (1942) Oligochaeta from various parts of the world. Proceedings of the Zoological Society of London, 1941, Series B, 111, 197 - 236. https: // doi. org / 10.1111 / j. 1469 - 7998.1942. tb 00050. x","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. (2003) Oligochaeta: Earthworm. In: State Fauna. Series 9. Fauna of Sikkim. Part 5. Zoological Survey of India, Calcutta, pp. 91 - 116.","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."]}

125. Tonoscolex michaelseni Julka, 1976 Tonoscolex michaelseni Julka, 1976: 233. T. Wakro, district Lohit, Arunachal Pradesh, India. D. Arunachal Pradesh: Tihun (Julka 1976), Hornbill (Halder et al. 2007), Zero Camp - 28 km NE of Miao (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 296, 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.","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."]}

15. Drawida pellucida stewarti Stephenson, 1914 Drawida pellucida var. stewarti Stephenson, 1914a: 369. Drawida pellucida stewarti Stephenson. Blakemore 2007: 7. T. Rotung and Renging, Abor Hills, Arunachal Pradesh, India. D. Arunachal Pradesh. Meghalaya: Mawshynrut (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 281, 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","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"]}

31. Argilophilus aborensis (Stephenson, 1914) Plutellus aborensis Stephenson, 1914a: 384. Argilophilus aborensis (Stephenson). Blakemore 2007: 28. T. Rotung, 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 283, 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","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)"]}

1. Desmogaster ferina Gates, 1943 Desmogaster ferina Gates, 1943: 91. T. Tingpai, district Myitkyina, Myanmar. D. Arunachal Pradesh: Gogoi Camp near Chowkham (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 279, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Gates, G. E. (1943) On some American and Oriental earthworms. Part I. The Ohio Journal of Science, 43, 87 - 98.","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."]}

60. Eutyphoeus turaensis Stephenson, 1920 Eutyphoeus turaensis Stephenson, 1920: 244. Eutyphoeus turaensis Stephenson. Julka 1988a: 172 (for further synonymy) T. Tura, Meghalaya, India. D. Meghalaya: Tura (Julka 1988a). Tripura: Unspecified localities (Chaudhuri & Bhattacharjee 1999, 2005; 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 287, 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.","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."]}

105. Perionyx modestus Stephenson, 1922 Perionyx modestus Stephenson, 1922: 435. T. Cherrapunji, district East Khasi Hills, Meghalaya, India. D. Arunachal Pradesh: Lingpo (Julka 1981), Yame (Julka 1981), Parsipala (Julka 1981), Richik (Julka 1981), 3 km E of Richik (Julka 1981), ca. 4 km NW of Tali (Julka 1981), Rui (Julka 1981), Chowkham (Julka 1976). Meghalaya: Umsing (Julka 1977), Mawphlang (Julka 1977; Halder 1999b), Sarching (Halder 1999b), Barangapara (Halder 1999b), Tura (Halder 1999b), Rongreng Chidekgre (Halder 1999b), Williamnagar (Halder 1999b), Dumpep (Gates 1960)., 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. (1922) Some earthworms from Kashmir, Bombay, and other parts of India. Records of the Indian Museum, 24, 427 - 443.","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. (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. (1960) On Burmese earthworms of the family Megascolecidae. Bulletin of the Museum of Comparative Zoology at Harvard College, 123 (6), 201 - 282."]}

73. Kanchuria antrophyes (Stephenson, 1924) Megascolides antrophyes Stephenson, 1924a: 130. Kanchuria antrophyes (Stephenson). Julka 1988b: 91. T. Siju Cave, Garo Hills, Meghalaya, India. D. Meghalaya: Botanical Garden Shillong (Halder 1999b), Nayabanglow (Mishra & Ramakrishnan 1988)., 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":["Stephenson, J. (1924 a) Oligochaeta of the Siju Cave, Garo Hills, Assam. Records of the Indian Museum, 26, 127 - 135.","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.","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.","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"]}

52. Eutyphoeus gammiei (Beddard, 1888) Typhaeus gammii Beddard, 1888: 111. Eutyphoeus chittagongianus Michaelsen, 1907: 281. Eutyphoeus koboensis Stephenson, 1914a: 404. Eutyphoeus magnus Stephenson, 1914a: 408. Further synonyms in Julka, 1988a: 140. T. Darjeeling, West Bengal, India. D. Arunachal Pradesh. Kobo (Stephenson 1914a), Upper Rotung (Stephenson 1914a), Hornbill (Halder et al. 2007), Bulbulia (Halder et al. 2007), Zero Camp Namdapha (Halder et al. 2007). Assam: Amingaon (Stephenson 1925), Katlicherra (Stephenson 1926), Lokra (Gates 1958a). Manipur: Kolanaga (Halder et al. 2007). Meghalaya: Tura (Stephenson 1920; Julka 1988a), Siju Cave (Gates 1938), Garampani Forest (Halder 1999b), Anogiri Lake (Halder 1999b), Nohkrek Forest (Halder 1999b). Mizoram: Saipum (Halder et al. 2007). Tripura: Aglapur (Halder 2000), Dakshin Nayapara (Halder 2000), Ramnagar (Halder 2000), Kanchanpur (Halder 2000), Golabari (Halder 2000), unspecified localities (Chaudhuri & Bhattacharjee 1999, 2005; Chaudhuri et al. 2008, 2009, 2012; Dey & Chaudhuri 2014, 2016). West Bengal: Sureil (Stephenson 1920), Namting Pokri (Stephenson 1920), 2 km S of Forest Ranger Office Sukiapokri (Julka 1975), Dhobighora (Halder 1999a), Dalingcoat (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 286, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["Beddard, F. E. (1888) On the structure of three new species of earthworms, with remarks on certain points of the morphology of the Oligochaeta. Quarterly Journal of Microscopical Sciences, 29, 101 - 131.","Michaelsen, W. (1907) Neue Oligochaeten von Vorder-Indien, Ceylon, Birma, und den Andaman-Inseln. Jahrbuch der Hamburgischen Wissenschaftlichen Anstalten, Hamburg, 24 (2), 143 - 188.","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.","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. (1925) On some Oligochaeta mainly from Assam, South India, and the Andaman Islands. Records of the Indian Museum, 27, 43 - 73.","Stephenson, J. (1926) Descriptions of Indian Oligochaeta. I. Records of the Indian Museum, 28, 249 - 267.","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.","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.","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.","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."]}

2. Drawida aruna Julka, 1981 Drawida aruna Julka, 1981: 4. T. Seiom, district Subansiri, Arunachal Pradesh, India. D. Arunachal Pradesh: Taliha (Julka 1981), Siki (Julka 1981), Ayumuring (Julka 1981), Orak (Julka 1981), Doginalo (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":["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."]}

81. Metaphire houlleti (Perrier, 1872) Perichaeta houlleti Perrier, 1872: 99. Metaphire houlleti houlleti (Perrier). Blakemore 2010: 447 (for further synonyms). T. Kolkata (formerly Calcutta), West Bengal, India. D. Manipur: Koirengei Forest (Haokip & Singh 2012, 2017), Langol Hills (Haokip & Singh 2012). Meghalaya: Umsing (Julka 1977), Mawsmai Cave (Julka 1977), Limran (Julka 1977), Botanical Garden Shillong (Halder 1999b), Barapani (Halder 1999b), Mauryngang (Halder 1999b), Nartiang (Halder 1999b), Cherrapunji (Stephenson 1922; Gates 1937), Mawshynrut village (Kharkongor 2018), Mawthar village (Kharkongor 2018), Riangdo village (Kharkongor 2018), Mawlongphlang (Kharkongor 2018), Mawthadraishan Peak (Kharkongor 2018). Mizoram: Sakawrtuichhun (Lalthanzara & Ramanujam 2014), Pachhunga University College Aizawl (Lalthanzara & Ramanujam 2014), unspecified localities (Lalthanzara et al. 2011; Ramanujam et al. 2004). Tripura: Unspecified localities (Chaudhuri & Bhattacharjee 1999, 2005; Chaudhuri et al. 2008, 2009, 2012; Dey & Chaudhuri 2014, 2016; Jamatia & Chaudhuri 2017). West Bengal: Pashok (Gates 1937)., 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":["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]","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.","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.","Stephenson, J. (1922) Some earthworms from Kashmir, Bombay, and other parts of India. Records of the Indian Museum, 24, 427 - 443.","Gates, G. E. (1937) Indian earthworms. I. The genus Pheretima. Records of the Indian Museum, 39 (2), 175 - 212.","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","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. & 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","Jamatia, S. K. S. & Chaudhuri, P. S. (2017) Earthworm community structure under tea plantations (Camellia sinensis) of Tripura (India). Tropical Ecology, 58, 105 - 113."]}

35. Argilophilus himalayanus (Gates, 1945) Plutellus himalayanus Gates, 1945: 71. Argilophilus himalayanus (Gates). Blakemore 2007: 28. T. Changu, Sikkim. 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 284, 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.","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)"]}

28. Glyphidrilus spelaeotes Stephenson, 1924 Glyphidrilus spelaeotes Stephenson, 1924a: 133. T. Siju Cave, Garo Hills, Meghalaya, India. D. Meghalaya: Barangapara (Halder 1999b), Sarching (Halder 1999b). Tripura: Baruakandi (Halder 2000), 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 283, DOI: 10.11646/zootaxa.4772.2.3, http://zenodo.org/record/3974785, {"references":["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.","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."]}

76. Kanchuria turaensis Julka, 1988 Kanchuria turaensis Julka, 1988b: 89. T. Tura, Garo Hills, Meghalaya, India. D. Meghalaya: Umjaroo (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"]}