Genus-level revision of the Alycaeidae (Gastropoda, Cyclophoroidea), with an annotated species catalogue Author Pall-Gergely, Barna Plant Protection Institute, Centre for Agricultural Research, Herman Otto ut 15, Budapest, H- 1022, Hungary https://orcid.org/0000-0002-6167-7221 pallgergely2@gmail.com Author Sajan, Sheikh Zoological Survey of India, Prani Vigyan Bhawan, M Block, New Alipore, Kolkata 700053, West Bengal, India & Wildlife Institute of India, Chandrabani, Dehradun 248 002, Uttarakhand, India https://orcid.org/0000-0002-2785-6824 Author Tripathy, Basudev Zoological Survey of India, Prani Vigyan Bhawan, M Block, New Alipore, Kolkata 700053, West Bengal, India Author Meng, Kaibaryer National Zoological Museum of China, Institute of Zoology, Chinese Academy of Sciences, Beijing, China Author Asami, Takahiro Department of Biology, Shinshu University, Matsumoto 390 - 8621, Japan https://orcid.org/0000-0001-5706-0272 Author Ablett, Jonathan D. Mollusca Section, Invertebrates Division, Department of Life Sciences, The Natural History Museums, London SW 7 5 BD, United Kingdom text ZooKeys 2020 981 1 220 http://dx.doi.org/10.3897/zookeys.981.53583 journal article http://dx.doi.org/10.3897/zookeys.981.53583 1313-2970-981-1 5194AAC86B8A473F8A41470A60182A0B 7C44C797C4125A71BAE032A55E6FA5DC Pincerna yanseni Pall-Gergely , 2017 Pincerna yanseni Pall-Gergely , 2017: 214-219, figs 1B, 2, 3. Type locality. "Indonesia, Sumatera Barat (West Sumatra), Solok Selatan (South Solok Regency), Koto Parik Gadang Diateh subdistrict, Goa [=cave] Pinti Kayu, near Sungai [=river] Dareh, approximate GPS position: 1.3027°S , 101.1164°E ". Material examined. Holotype (MZB.Gst. 18.970), and several paratypes: see Pall-Gergely (2017) . Remarks. Protoconch glossy, first 1.75 whorls of R1 with low, relatively dense, regular ribs and weak, dense spiral striation; this sculpture gradually changes to a more sparsely ribbed region, which spans ca. 0.5 a whorl; R2 and tube very short, with eight or nine ribs very narrow, only slightly elevated from the surface; for description of the fine structure of the microtunnels, see original description.