Dicharax (?) omissus (Godwin-Austen, 1914)
Alycaeus omissus Godwin-Austen, 1914: 411, pl. 155, fig. 13.
Alycaeus (Chamalycaeus) omissus - Gude 1921: 231.
Type locality.
"Siam and Shan boundary".
Material examined.
Siam & Shan boundary, coll. Woodthorpe, NHMUK 1903.7.1.1228 (2 syntypes).
Remarks.
Protoconch low, no spiral lines visible; R1 also without spiral striation; R2 short, with dense ribs; the fine morphology of the ribs could not be examined due to corrosion.