Journal
PALAEONTOLOGY
Volume 48, Issue -, Pages 15-30Publisher
WILEY
DOI: 10.1111/j.1475-4983.2004.00434.x
Keywords
Italy; reptiles; Thalattosauriformes; Triassic; marine; palaeoecology
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The marine reptile Endennasaurus from the Upper Triassic Zorzino Limestone of northern Italy is redescribed and reassessed. New details of the skull and postcranial skeleton are revealed, confirming the attribution of this genus to the diapsid reptile clade Thalattosauriformes. Phylogenetic analysis suggests that Endennasaurus was related to the European genus Askeptosaurus and the Chinese Anshunsaurus. Despite a rather conservative postcranial morphology, Endennasaurus clearly occupied a highly specialized dietary niche as it combined a slender tapering premaxillary rostrum with a complete absence of either marginal or palatal teeth.
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