Cylindrobullina schneideri Gründel, 1997
Sugerowana cytacja: Gryz, P. 2020. Cylindrobullina schneideri Gründel 1997. Ikonoteka (http://ikonoteka.paleo.pan.pl/xwiki/bin/view/Species/Cylindrobullina+schneideri)
 Specimen MZ VIII Mg 4252/1 from the Callovian (Mid Jurassic) of Łuków (block in glacial drift) in lateral and apical view. Diagnoza Elongated shell with relatively high whorls, 2.38 times as high as broad. Protoconch 1 and protoconch 2 umbilicus emerging above first teleoconch whorl. Teleoconch whorls high in relation to width, rounded only close to suture on both whorl sides. Ramp well pronounced with abapical furrowat border. Porównanie Autekologia Występowanie geograficzne Germany and Poland (Chrząszczewska Island and Łuków, block in glacial drift). Zasięg czasowy Callovian, Mid Jurassic. Materiały muzealne Material from Germany and Poland including eight shells from Callovian of Łuków (block in glacial drift), Poland. 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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