Dioryx tangmaiensis Chen & Zhang, 2001 Fig. 30

Dioryx tangmaiensis Chen & Zhang, 2001: 185-186, 189, figs 5, 6.

Dioryx tangmaiensis - Páll-Gergely et al. 2017: 10.

Type locality.

"Tongmai Town, (30°01'N, 95°E), Bomi County, Tibet Autonomous Region, China".

Material examined.

Tong-Mai Town, Bo-Mi County, Tibet Autonomous Region, China, leg. Chen De-Niu & Gao Jia-Xiang, 1980.6.20, CASIZ TM 008902 (holotype, deposited in IZCAS); same data as holotype, leg. Gao Jia-Xiang, CASIZ TM 008903-008913 (paratypes).

Remarks.

Protoconch without notable sculpture; R1 with fine, irregular growth lines (some of them are almost represented as widely-spaced ribs) and very fine spiral striation; R2 ca. 0.25 whorl long, with alternating darker/wider and very lighter/narrow stripes.