Holotype ZPAL Ga.9/222 from Callovian (Mid Jurassic) of the Łuków (block in glacial drift), in lateral and apical view.

Diagnoza

Teleoconch long, multispiral, 2.27 times as high as broad. Whorls rounded. Protoconch 1 ornamented with granulate pattern. Protoconch 2 hyperstrophic, medioaxial, smooth apart from growth lines. Teleoconch smooth apart from prosocyrt growth lines. Aperture with very narrow inner lip and very narrow umbilical furrow.

Porównanie

The shell broader than the shells of similar Ebala compacta (Gründel,1998) from Mid Callovian (Mid Jurassic) of northwest Poland, and has no axial lirae on the protoconch.

Autekologia

Występowanie geograficzne

Only in type locality.

Zasięg czasowy

Quenstedtoceras lamberti Zone, Late Callovian (Mid Jurassic).

Materiały muzealne

One complete shell.

Literatura

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