Arizonasaurus

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Arizonasaurus Fossil range: Late Triassic
Conservation status
Extinct (fossil)
Scientific classification
Kingdom: Animalia Phylum: Chordata Class: Sauropsida (unranked) Crurotarsi Order: Rauisuchia Family: Poposauridae Genus: Arizonasaurus Species: A. Babbitti
Binomial name
Arizonasaurus Babbitti

Arizonasaurus was an an archosaurian reptile from the Mesozoic Era, specifically a poposaurid archosaur from the Middle Triassic (245-228 million years ago). It was closely related to crocodiles, and is near the split between dinosaurs and crocodiles. Arizonasaurus is found in the Middle Triassic Moenkopi Formation of northern Arizona. A fairly complete skeleton was found in 2002 by Sterling Nesbitt. The taxon has a large sailback formed by elongate neural spines of the vertebrae.

[edit] References

Dinosaurs Portal

• Artistic rendering of Arizonasaurus babbitti
• Osteology of the Middle Triassic pseudosuchian archosaur Arizonasaurus babbitti
• Initial description of complete skeleton by Sterling Nesbitt in Royal Society Biology Letters
• Braincase of Arizonasaurus babbitti

	This article about a prehistoric reptile is a stub. You can help Wikipedia by expanding it.

Retrieved from "http://en.wikipedia.org../../../a/r/i/Arizonasaurus.html"

Categories: Crurotarsi | Rauisuchians | Prehistoric reptile stubs

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• This page was last modified 20:44, 31 March 2007 by Anonymous user(s) of Wikipedia. Based on work by Wikipedia user(s) Spawn Man, M&NCenarius, Thijs!bot, Dinoguy2, Firsfron and Ebyabe.
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