Holotype ZPAL Ga.9/253 from the Valanginian (Early Cretaceous) of Wąwał in lateral and apical view.

Diagnoza

Shell broadly cone-shaped, 1.59 times as high as broad. Protoconch highly medioaxial, ornamented by weak, abapical axial folds. Spiral lirae present between folds. Teleoconch starting with two prominent and one subsutural spiral rib. Medial rib becoming keel on first teleoconch whorl. Spiral ribs crossed by weakly prosocline axial ribs (53–54 ribs per whorl). Surface of teleoconch covered by spiral microornamentation.

Porównanie

Similar to C. bathoniensis Gründel, 1999 which differs in less hyperstrophic protoconch and stronger keel.

Autekologia

Występowanie geograficzne

Only in type locality.

Zasięg czasowy

Valanginian (Early Cretaceous).

Materiały muzealne

2324 shells.

Literatura

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

Schröder,M.1995. Frühontogenetische Schalen jurassicher und unterkretazischer  Gastropoden aus Norddeutschland und Polen. Palaeontographica, Abteilung A238, 1–95.