Sinuarbullina ansorgi
Sugerowana cytacja: Gryz, P. 2020. Sinuarbullina ansorgi Gründel 1997. Ikonoteka (http://ikonoteka.paleo.pan.pl/xwiki/bin/viewrev/Species/Sinuarbullina+ansorgi)
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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