Pincerna yanseni Pall-Gergely , 2017

Pall-Gergely, Barna, Sajan, Sheikh, Tripathy, Basudev, Meng, Kaibaryer, Asami, Takahiro & Ablett, Jonathan D., 2020, Genus-level revision of the Alycaeidae (Gastropoda, Cyclophoroidea), with an annotated species catalogue, ZooKeys 981, pp. 1-220 : 1

Pincerna yanseni Pall-Gergely, 2017

Pincerna yanseni Páll-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 Páll-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.