Fig. 123 in The ammonoids from the Gattendorfia Limestone of Oberrödinghausen (Early Carboniferous; Rhenish Mountains, Germany)

Fig. 123. Eocanites from the Oberrödinghausen railway cutting, all Vöhringer Coll. A. Eocanites tener (Vöhringer, 1960), holotype GPIT-PV-64006 from bed 3c B. Eocanites spiratissimus (Schindewolf, 1926), neotype GPIT-PV-64007 from bed 3c. C. Eocanites spiratissimus (Schindewolf, 1926), cross section of specimen GPIT-PV-64012 from bed 3c. D–F. Eocanites spiratissimus (Schindewolf, 1926), ontogenetic development of the conch width index (ww/dm), umbilical width index (uw/dm), whorl width index (ww/wh) and whorl expansion rate (WER) of selected specimens. Scale bar units = 1 mm.