Fig. 15From: Dienerian (Early Triassic) ammonoids from the Candelaria Hills (Nevada, USA) and their significance for palaeobiogeography and palaeoceanographyProptychites haydeni (Krafft, 1909). 1 USNM542461; incomplete phragmocone; 1a lateral view; 1b apertural view; 1c ventral view. 2 USNM542455; 2a lateral view; 2b ventral view; 2c suture line at H = 40.4 mm. Asterisk indicates last septum where knownBack to article page