archosaur


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Related to archosaur: Lepidosaur
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Synonyms for archosaur

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Representing a broad range of depositional environments, ranging from perennial lacustrine to fluvial and aeolian settings, and documented by hundreds of fossils, these assemblages lack any of the characteristic Late Triassic faunal elements, most conspicuously metoposaurid temnospondyls, phytosaurs, procolophonids, and diverse non-crocodylomorph and non-dinosaurian archosaurs, all of which are known from older assemblages in the Fundy basin and elsewhere.
Phylogenetic relationships of the crocodylomorph archosaurs.
With this paper we report seven lungfish tooth plates recovered from Cretaceous (Cenomanian; 95 Mya) Woodbine Formation exposures at the Arlington Archosaur Site in North Central Texas (Fig.
The new lungfish tooth plates discussed herein were recovered from Lewisville Member exposures occurring at a productive new Texas fossil locality; the Arlington Archosaur Site (Fig.
Farmer, the study's principal author and an assistant professor of biology at the University of Utah, explained: "The real importance of this air-flow discovery in gators is it may explain the turnover in fauna between the Permian and the Triassic, with the synapsids losing their dominance and being supplanted by these archosaurs.
Archosaurs evolved along two different paths, one of which gave rise to the crocodilian ancestors of crocodiles and alligators.
Phytosaurs were long considered early crocodile-line archosaurs but Nesbitt (2011) recently placed them outside crown-group Archosauria.
Efficient one-way breathing may have given archosaurs a boost: Work shows oxygen levels in their time were about half of today's, lower than available at the top of Mount Everest.
They will focus on birds, spiders, and archosaurs (birds, dinosaurs, pterosaurs and crocodiles).
Mammals, archosaurs, and the Early to Late Cretaceous transition in north-central Texas.
The snapshot of life 10 million years after the extinction reveals that, among other things, archosaurs roamed in Tanzanian and Zambian basins, but weren't distributed across southern Pangea as had been the pattern for four-legged animals before the extinction.
What's interesting is that when you do that, you see the origins of the features that make the bird head special lie deep in the history of the evolution of Archosaurs, a group of animals that were the dominant, meat-eating animals for millions of years.
Dinosaur heresy--dinosaur renaissance: why we need endothermic archosaurs for a comprehensive theory of bioenergetic evolution.
It's) a simple hinge and not a more complex rotary joint like the ankles of crocodile-line archosaurs, lizards and even humans," he said.
Crocodilians are the sole surviving reptilian archosaurs, a group of ancient reptiles that includes dinosaurs and gave rise to birds.