Fig. 13 in Variability of conch morphology in a cephalopod species from the Cambrian to Ordovician transition strata of Siberia
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Fig. 13. Restoration of the conch of Ruthenoceras elongatum Korde, 1949 from the Ust-kut Formation of Siberia, with hypothetical subspherical apex based mostly on ZPAL N. IV/4 (Fig. 5A). A. Septum in proximal view. B. Conch in lateral view with the body and proximal part of sipho exposed. C. The body and a portion of sipho in dorsal view.
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Dzik, Jerzy创建时间：
2024-06-21
