Dicharax (?) crispatus rywukensis (Godwin-Austen, 1914)
Alycaeus crispatus var. rywukensis Godwin-Austen, 1914: 373-374, pl. 154, figs 3, 3a.
Alycaeus (Dicharax) crispatus var. rywukensis - Gude 1921: 244.
Type locality.
"Rywuk Valley of the Garo Hills".
Material examined.
Rywuk, Garo Hills, South base of, coll. Godwin-Austen, NHMUK 1903.7.1.2637 (2 syntypes).
Remarks.
Protoconch moderately elevated, smooth; R1 with strong, widely spaced ribs without spiral striation; R2 of normal length and ribs curved towards aperture.