Pincerna margarita (Theobald, 1874)
Alycaeus margarita Theobald in Hanley & Theobald, 1874: 39, pl. 95, fig. 10.
Alycaeus margaritus - Reeve 1878: pl. 1, species 5.
Alycaeus (Alycaeus) margarita - Kobelt 1902: 347.
Alycaeus (Cycloryx) margarita - Godwin-Austen 1914: 416.
Alycaeus margarita - Gude 1921: 211-212.
Type locality.
"Shan Provinces".
Material examined.
Upper Salwin, NHMUK 1888.12.4.892-893 (2 syntypes).
Remarks.
Protoconch matte, without spiral striation; R1 with strongly elevated and sharp, regular, widely spaced ribs; R2 extremely short, with ca. five ribs which are denser than those on R1, but similar in terms of morphology.