Diagnoza
Protoconch medium sized. Shell moderately broad with relatively low whorls. Outline ofthe teleoconch whorls clearly convex.
Porównanie
Differs from S. cylindrica by having a lower spire, a more robust shell and more convex whorls.
Autekologia
Występowanie geograficzne
Germany and Poland. Zasięg czasowy
Bathonian, Mid Jurassic. Materiały muzealne
Material from Germany and Poland including fossils from Kłęby borehole and 7 shells from Faustianka, (Częstochowa region) ZPAL. Literatura
Gründel, J. 1997b. Heterostropha (Gastropoda) aus dem Dogger Norddeutschlands und Nordpolens. III. Opisthobranchia. Berliner Geowissenschaftliche Abhandlungen, Reihe E 25, 177–223. Kaim, A. 2004. The evolution of conch ontogeny in Mesozoic open sea gastropods. Palaeontologia Polonica 62, 3–183.
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