From ToyAnimalWiki
Jump to: navigation, search
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