Pincerna summa (Godwin-Austen, 1914)
Alycaeus (Cycloryx) summus Godwin-Austen, 1914: 349-350, pl. 147, figs 3, 3a.
Alycaeus (Cycloryx) summus - Gude 1921: 284-285.
Type locality.
"Rechila Peak, Western Bhutan".
Material examined.
Rechila Pk, W. Bhutan, leg. Godwin-Austen, NHMUK 1903.7.1.2573 (12 syntypes).
Remarks.
Protoconch matte, without spiral striation; R1 with dense, weak, irregular ribs and only slightly weaker spiral striation; R2 very short, with ca. five narrow, light stripes, the surface of R2 nearly smooth.