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.