Pincerna thieroti (de Morgan, 1885)

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 thieroti (de Morgan, 1885)

Alycaeus thieroti de Morgan, 1885b: 403-404, pl. 8, fig. 4.

Alycaeus (Orthalycaeus) thieroti - Möllendorff 1891: 342.

Alycaeus (Alycaeus) thieroti - Kobelt 1902: 352.

Alycaeus thieroti - Venmans 1956: 82-83, fig. 3 (radula, see Results); Foon and Liew 2017: 69-72, figs 7D, 29, 31C.

Pincerna thieroti - Páll-Gergely 2017: 214.

Type locality.

"G. Lano".

Material examined.

Mont Lano, Perak, coll. de Morgan, MNHN-IM-2000-31799 (1 syntype); West Malaysia: Selangor: Serendah Forest Reserve, Bukit Takun (400 m), alive on low shrubs, leg. Sow-Yan Chan, Hiong Eng Ng & Leo Nguang 27.10.1996, ex coll. Chan, 1997, SMF 311321 (5 shells; similar to the ones in the original description).

Remarks.

Protoconch very finely granulated, rather glossy; R1 with rather irregular, low, widely spaced ribs and very prominent spiral sculpture, which is visible on the whole shell except for the protoconch; R2 very short, consists of darker and thicker, and narrow and light stripes, which are very slightly elevated from the surface.