Dioryx dautzenbergi Pall-Gergely , 2017

Alycaeus (Dioryx) major Bavay & Dautzenberg, 1900a: 118-119.

Alycaeus (Dioryx) major - Bavay and Dautzenberg 1900b: 452, pl. 11, figs 4-6.

Dioryx major - Kobelt 1902: 338-339.

Alycaeus major - Rees 1964: 63, pl. 5, fig. 26.

Dioryx dautzenbergi Páll-Gergely in Páll-Gergely et al., 2017: 10, fig. 4A. (replacement name for Alycaeus (Dioryx) major Bavay & Dautzenberg, 1900, non Alycaeus (Dioryx) granum var. major Godwin-Austen, 1893)

Type locality.

“Phi-Mi” .

Material examined.

Phi-Mi, Haut Tonkin, leg. Messager, MNHN-IM-2000-31788 (1 syntype): Tonkin, NHMW 41003 (2 shells).

Remarks.

Protoconch glossy; R1 with very weak growth lines and no spiral striae; R2 relatively short, smooth, very narrow lighter and thicker, darker stripes alternating.