Dicharax (?) duoculmen (Godwin-Austen, 1914)
Alycaeus duoculmen Godwin-Austen, 1914: 365, pl. 157, figs 2, 2a.
Alycaeus (Raptomphalus) duoculmen - Gude 1921: 286-287.
Chamalycaeus (Raptomphalus) duoculmen - Ramakrishna et al. 2010: 68.
Type locality.
"Tsanspu Valley".
Material examined.
Tsanspu Valley, leg. Oakes, NHMUK 1903.7.1.3582 (holotype [single specimen mentioned in the original description]).
Remarks.
Protoconch low, no spiral lines visible; R1 glossy, with rough wrinkles near the suture and without any spiral lines; R2 very short, with alternating thicker/darker and narrow/lighter stripes; overall surface of R2 smooth.