Dioryx rosea (Bavay & Dautzenberg, 1900)

Alycaeus (Dioryx) messageri var. rosea - Bavay & Dautzenberg: 1900b: 453.

Dioryx messageri var. rosea - Kobelt 1902: 339.

Dioryx messageri - Inkhavilay et al. 2019: fig. 6B is D. rosea .

Type locality.

“That-Khé” .

Material examined.

RBINS MT.1005 (4 syntypes).

Remarks.

Protoconch rather matte, R1 consists with very weak, dense, inconspicuous growth lines, extremely weak spiral striation; R2 smooth, with alternating narrow/lighter and thicker/darker stripes.

This species differs from D. messageri in stable characters and they are found in the RBINS in multiple mixed samples. Therefore, we handle D. rosea as a separate species. A redescription will be presented in a separate paper.