Raymondiceras korni Dzik, 2006
Sugerowana cytacja: Dzik, J. 2015. Raymondiceras korni Dzik 2006. Ikonoteka (http://ikonoteka.paleo.pan.pl/xwiki/bin/view/Species/Raymondiceras+korni+)
 Diagnoza Discoidal conchs of simple geometry with £-shaped internal thickening near aperture; suture with shallow flank lobe; umbilicus closed at juvenile stages. Porównanie Roinghites bottkei Korn, 2002 from the Platyclymenia annulata black shale at Kattensiepen is a closely related species different in a somewhat larger mature size, more discoidal conch, and less prominent internal shell thickenings. The single specimen from Jabłonna attributed here does not show suture and bears numerous serial conch constrictions or thickenings on flanks. Its taxonomic identification is highly tentative. Autekologia Występowanie geograficzne Ostrówka, Besówka, and Łagów-Dule, possibly also Jabłonna. Zasięg czasowy P. trachytera Zone. Materiały muzealne ZAPL: 33 specimens. Literatura Dzik, J. 2006. The Famennian "Golden Age" of conodonts and ammonoids in the Polish part of the Variscan sea. Palaeontologia Polonica 63, 1-359. |
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