A review of Vietnamese Schistoloma Kobelt, 1902 with a list of all known species of the genus (Caenogastropoda: Cyclophoroidea: Pupinidae) Author Páll-Gergely, Barna Author Nguyen, Phi Khanh Author Chen, Yansen text Raffles Bulletin of Zoology 2019 2019-05-23 67 322 327 journal article 10.26107/RBZ-2019-0023 2345-7600 4577058 4A98B5DF-EFB7-48B8-80BD-451FB915A243 Schistoloma inermis ( Bavay & Dautzenberg, 1909 ) ( Fig. 1 C–F) Coptochilus inermis Bavay & Dautzenberg, 1909: 287 , plate 11, figs. 8–9 ( type locality: “Tan-Doc, aux confins du Delta et de le région montagneuse”). Pinteria croesus Varga, 1972: 134 , figs. 6–11. new synonym . Schistoloma croesus — Egorov, 2013: 14 , fig. 22g . Types examined. Tan-Doc, leg. Messager, MNHN- IM-2000-28067 ( syntype of Coptochilus inermis , Fig. 1C ); Vietnam , Tam Davao (? [label hardly readable]), SMF 192262/1 (labelled as syntype of Coptochilus inermis , Fig. 1D ); Vietnam , Annam , Tam Dao, subtropischer Wald, 900 m , leg. T. Pócs, 08.10.1963 , HNHM 11895 ( holotype of Pinteria croesus , Fig. 1E ), HNHM 011896 ( 4 paratypes ). Additional material examined. China , Yunnan , Honghe Hanizu Yizu Zizhizhou , Pingbian Miaozu Zizhixian , Pingbian Daweishan Yuanshi Senlin Gongyuan , 2085 m a.s.l. 22°54.835′N 103°41.958′E , leg. A. Hunyadi , 27.03.2011 , coll. HA/2 ( Fig. 1F ) . Diagnosis. A middle-sized Schistoloma species with a smooth, conical-ovoid shell, without any signs of a periumbilical keel. Distribution. Schistoloma inermis is known from Northern Vietnam (Vinh Puc Province), and the Chinese Yunnan Province. The type locality (Tan-Doc) could not be located on the map. Remarks. There are no notable differences between Pinteria croesus and S. inermis . Therefore, it is considered as junior synonym of that species.