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.