Arizonasaurus
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phylum | Chordata | Arizonasaurus was a ctenosauriscid archosaur from the Middle Triassic (240 million years ago). The taxon has a large sailback formed by elongate neural spines of the vertebrae.
For more information, visit the Wikipedia entry. Get back to Archosauromorpha |
clade | Diapsida | |
family | Ctenosauriscidae | |
genus | Arizonasaurus | |
Temporal range | Middle Triassic |