Review of the genus Endothyrella Zilch, 1960 with description of five new species (Gastropoda,Pulmonata, Plectopylidae)

All known taxa of the genus Endothyrella Zilch, 1960 (family Plectopylidae) are reviewed. Altogether 23 Endothyrella species are recognized. All species are illustrated and whenever possible, photographs of the available type specimens are provided. Five new species are described: Endothyrellaangulata Budha & Páll-Gergely, sp. n., Endothyrelladolakhaensis Budha & Páll-Gergely, sp. n. and Endothyrellanepalica Budha & Páll-Gergely, sp. n. from Nepal, Endothyrellarobustistriata Páll-Gergely, sp. n. from the Naga Hills, India, and Endothyrellainexpectata Páll-Gergely, sp. n. from Sichuan, China. Helix (Plectopylis) munipurensis Godwin-Austen, 1875 is synonymized with Helix (Plectopylis) serica Godwin-Austen, 1875, and Plectopylis (Endothyra) gregorsoni Gude, 1915 is synonymized with Helix (Plectopylis) macromphalus W. Blanford, 1870. Plectopylisplectostomavar.exerta Gude, 1901 is a synonym of Plectopylisplectostomavar.tricarinata Gude, 1896, which is a species in its own right. Five species of the genus Chersaecia viz. Plectopylis (Chersaecia) bedfordi Gude, 1915, Helix (Plectopylis) brahma Godwin-Austen, 1879, Helix (Plectopylis) Oglei Godwin-Austen, 1879, Helix (Plectopylis) serica Godwin-Austen, 1875, and Plectopylis (Endothyra) williamsoni Gude, 1915 are moved to Endothyrella. The holotype of Plectopylishanleyi Godwin-Austen, 1879 seems to be lost; therefore, Plectopylishanleyi is considered to be a nomen dubium.