Rodzaj Pachyclymenia Schindewolf, 1937
Gatunek typowy Opis Diagnosis. — Moderately involute conch with rounded venter; suture with relatively narrow, rounded flank lobe and wide ventral lobe. Remarks. — Despite some complication, the septum geometry was probably inherited by Pachyclymenia after the earliest Protornoceras-like clymenias. P. kozlowskii, with its internal shell constrictions and discoidal conch seems to be close to the ancestral condition. Synonimy Zasięg czasowy 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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