Metalycaeus polygonoma (W. T. Blanford, 1862)
Alycaeus polygonoma W. T. Blanford, 1862: 140-141.
Alycaeus polygonus [sic] - Reeve 1878: pl. 2, species 11.
Alycaeus (Dicharax) polygonoma - Kobelt 1902: 375; Gude 1921: 265-266.
Alycaeus polygonoma - Godwin-Austen 1914: 423, pl. 141, fig. 5.
Type locality.
"in montibus Arakanensibus".
Material examined.
Tongoop Pass, Arakan Hills, NHMUK 1906.4.4.51 (2 syntypes in different vials).
Remarks.
Protoconch elevated, spirally striated; R1 with irregular, fine ribs and spiral lines of approximately the same strength; R2 long, with sharp, widely spaced ribs.