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Fig. 16 | Swiss Journal of Geosciences

Fig. 16

From: Dienerian (Early Triassic) ammonoids from the Candelaria Hills (Nevada, USA) and their significance for palaeobiogeography and palaeoceanography

Fig. 16

Proptychites haydeni (Krafft, 1909). 1 JJ2148C. 1a lateral view; 1b apertural view; 1c ventral view. 2 USNM542459; 2a lateral view; 2b apertural view; 2c suture line at H = 9.9 mm, D ≈ 15.5 mm. 3 JJ2149C; 3a lateral view; 3b apertural view; 3c ventral view. 4 JJ2150C; 4a lateral view; 4b apertural view; 4c ventral view. Asterisk with question mark indicates approximate position of last septum where known

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