Pietteia pellati (Piette, 1867)
Sugerowana cytacja: Gryz, P. 2020. Pietteia pellati (Piette, 1867) . Ikonoteka (http://ikonoteka.paleo.pan.pl/xwiki/bin/view/Species/Pietteia+pellati)
Diagnoza First teleoconch whorl ornamented with axial and spiral ribs. Whorl angulated medially. Spiral ribs present both above and below angulation. Axial ribs absent later in ontogeny. Base demarcated by second spiral keel. Porównanie Very similar to Pietteia subcarinata; differs mainly in mature shell size and ornamentation of the first teleoconch whorl. Autekologia Występowanie geograficzne Europe; in Poland Łuków Zasięg czasowy Middle to Upper Jurassic; in Poland only Callovian Materiały muzealne Over 20 shells from Callovian of Łuków (ZPAL). Literatura Kaim, A. 2004. The evolution of conch ontogeny in Mesozoic open sea gastropods. Palaeontologia Polonica 62, 3–183. Piette, M. 1864–1891.Terrain Jurassique. Gastéropodes.Paléontologie Française 3: 1–535. Issued in parts: 1864, 1–48 ; 1866,49–96; 1867, 97–144; 1869, 145–192; 1876, 193–336; 1882, 337–400; 1891, 401–535. |
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