Diagnoza

Protoconch with inflated axial ribs and weak spiral lirae. First whorl of teleoconch ornamented with strong axial ribs and weaker spiral ribs. Axial ribs disappearing later in ontogeny. Whorls of teleoconch rounded.

Porównanie

Similar to C. kosmai but differs in having more sturdy ribs of the protoconch and strong axial ribs on the first whorl of the teleoconch. C. kosmai has much stronger spiral lirae on its protoconch.

Autekologia

Występowanie geograficzne

Only in type locality.

Zasięg czasowy

Quenstedtoceras lamberti Zone, Late Callovian (Mid Jurassic).

Materiały muzealne

18 shells.

Literatura

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