Checklist of earthworm species (Oligochaeta) of the North Eastern Region of India Author Tiwari, Nalini Department of Zoology, Dr. Harisingh Gour Vishwavidyalaya, Sagar- 470003, Madhya Pradesh, India Author Paliwal, R. House No 77 / 62, Mansarovar, Jaipur- 302020, Rajasthan, India Author Rashid, Azhar Department of Zoology, Dr. Harisingh Gour Vishwavidyalaya, Sagar- 470003, Madhya Pradesh, India Author Yadav, Shweta Department of Zoology, Dr. Harisingh Gour Vishwavidyalaya, Sagar- 470003, Madhya Pradesh, India text Zootaxa 2020 2020-05-08 4772 2 277 305 journal article 21321 10.11646/zootaxa.4772.2.3 5bcd4e84-f122-4429-ac40-4ec95fe2de29 1175-5326 3974785 DACE88AD-B58D-410C-9656-7073DDA99AEC 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 .