Osteology of the Middle Triassic pseudosuchain archosaur Arizonasaurus babbitti

Article Abstract:

Arizonasaurus babbitti is rediagnosed from a preserved partial skeleton from the early Middle Triassic Moenkopi Formation of northern Arizona, as it is important to the understanding of pseudosuchian relationships. The skeleton of Arizonasaurus is a 'Rosetta Stone' that places fragmentary taxa and more complete taxa into the ctenosauriscids potential group that share many pelvic apomorphics with Poposaurus, Sillosuchus and Chatterjeea.

Analysis, Fossils

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A Late Triassic dinosauriform from south Brazil and the origin of the ornithischian predentary bone

Article Abstract:

The article states that South American Late Triassic dinosauriformes shows the origin and early radiation of dinosaurs with respect to the ornithischian predentary bone.

South America

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Early ornithischian dinosaurs: the Triassic record

Article Abstract:

The article analyzes the global records of putative Triassic ornithischians and discusses its implications.

Science & research, Research, Animals, Fossil, Fossil animals

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