Fig. 18From: Dienerian (Early Triassic) ammonoids from the Candelaria Hills (Nevada, USA) and their significance for palaeobiogeography and palaeoceanographyProptychites pagei nov. sp. 1 USNM542464, holotype; 1a lateral view; 1b apertural view; 1c ventral view; 1d suture line at H = 14.6 mm, D ≈ 23.8 mm. 2 USNM542465, paratype; 2a lateral view; 2b apertural view; 2c ventral view. Asterisks with question mark indicate approximate position of last septumBack to article page