Holotype ZPAL Ga.9/209 from the Valanginian (Early Cretaceous) of Wąwał in lateral and apical view.

Diagnoza

Shell low-spired with nearly flat upper surface and slightly convex lateral surface. Protoconch heterostrophic. Teleoconch with six strong spiral keels on lateral part of whorl and blunt spiral grooves on upper part of whorl. Axial sculpture consisting of thickened growth lines only.

Porównanie

Most similar to the Recent C. corrugata and also to the genus Phasianema.

Autekologia

Występowanie geograficzne

Only in the type locality.

Zasięg czasowy

Sample B3, Saynoceras verrucosum Zone, Late Valanginian (Early Cretaceous).

Materiały muzealne

One shell.

Literatura

Kaim, A. 2004. The evolution of conch ontogeny in Mesozoic open sea gastropods. Palaeontologia Polonica 62, 3–183.