Diagnoza

Protoconch 1 almost completely sunken into first teleoconch whorl. Protoconch medium sized. Shell elongated, 2.29 as high as broad, with high-spired, cylindrical  teleoconch whorls. Adapicalsutural ramp passing gradually into whorl lateral flank.

Porównanie

Differs from S. cylindrica Gründel, 1997 in having much larger protoconch and a more gradual transition between the ramp and lateral flank of the whorl. From S. ansorgi differs by amore elongated shell shape.

Autekologia

Występowanie geograficzne

Only in type locality.

Zasięg czasowy

Morrisiceras morrisi Zone, Mid Bathonian, Mid Jurassic..

Materiały muzealne

Over 100 shells ZPAL.

Literatura

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