Dicharax (?) bifrons (Theobald, 1870)

Pall-Gergely, Barna, Sajan, Sheikh, Tripathy, Basudev, Meng, Kaibaryer, Asami, Takahiro & Ablett, Jonathan D., 2020, Genus-level revision of the Alycaeidae (Gastropoda, Cyclophoroidea), with an annotated species catalogue, ZooKeys 981, pp. 1-220 : 1

Dicharax (?) bifrons (Theobald, 1870)

Alycaeus bifrons Theobald, 1870: 396, pl. 18, fig. 1.

Alycaeus bifrons - Reeve 1878: pl. 6, species 48; Godwin-Austen 1914: 407, pl. 139, figs 3, 3a.

Alycaeus (Dicharax) bifrons - Kobelt 1902: 365-366; Gude 1921: 239.

Type locality.

"Shan States".

Material examined.

Shan States, NHMUK 1888.12.4.956-958 (3 syntypes).

Remarks.

Protoconch low, rather matte, no spiral lines visible; R1 irregularly wrinkled near the suture, this sculpture becomes stronger anteriorly, and near the end of R1 there are widely spaced, strong ribs, which extend not only to the suture area but to the edge of the body whorl; no signs of spiral striae visible on R1; R2 moderately long, with widely spaced, lamella-like, straight, rather low ribs.