Pincerna difficilis (Godwin-Austen, 1914)
Alycaeus (Cycloryx) difficilis Godwin-Austen, 1914: 415-416, pl. 155, figs 2, 2a.
Alycaeus (Cycloryx) difficilis - Gude 1921: 278-279.
Type locality.
"Shan Hills".
Material examined.
Shan States, leg. Fedden, NHMUK 1906.5.5.22 (2 syntypes).
Remarks.
Protoconch matte, no spiral lines visible; R1 with widely spaced, strong, sharp, regular ribs and much weaker riblets between the main ribs; R2 extremely short, the few (ca. five) ribs are somewhat elevated from the surface.