Tornatellaea matura (Schröder, 1995)
Sugerowana cytacja: Gryz, P. 2020. Tornatellaea matura (Schröder, 1995) . Ikonoteka (http://ikonoteka.paleo.pan.pl/xwiki/bin/view/Species/Tornatellaea+matura)
Diagnoza Protoconch strongly medioaxial, smooth. Shell spindle-like, 1.88 times as high as broad. Whorls rounded, ramp absent. Teleoconch ornamented with 7–8 spiral, evenly spaced pitted striae. Shape of pits hexagonal. Base ornamented with evenly spaced spiral, pitted striae. Peristome with two oblique folds. Umbilical chink absent. Porównanie Species of the genus Ringicula have an adult shell peristome with a thickened inner and outer lip. Autekologia Występowanie geograficzne Wąwał near Tomaszów Mazowiecki, Poland. Zasięg czasowy Valanginian, Early Cretaceous. Materiały muzealne ZPAL 72 shells Literatura Kaim, A. 2004. The evolution of conch ontogeny in Mesozoic open sea gastropods. Palaeontologia Polonica 62, 3–183. Schröder, M. 1995. Frühontogenetische Schalen jurassicher und unterkretazischer Gastropoden aus Norddeutschland und Polen. Palaeontographica, Abteilung A 238, 1–95. |
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