-
Arizonasaurus was a
ctenosauriscid archosaur from the
Middle Tri****ic (243
million years ago).
Arizonasaurus is
found in the
Middle Tri****ic
Moenkopi Formation...
- the term "Rauisuchia" be abandoned. In a
study of the
ctenosauriscid Arizonasaurus,
paleontologist Sterling Nesbitt defined a
clade of
rauisuchians called...
- "primordial" vertebrae. He gave the well-preserved
sacrum of the
poposauroid Arizonasaurus as
evidence to this process.
Poposauroids have
three to four sacral...
- 1080/14772019.2020.1759706. S2CID 219749618. Nesbitt,
Sterling J. (2003). "
Arizonasaurus and its
implications for
archosaur divergence".
Proceedings of the Royal...
- in
Bromsgroveia unites this
taxon with Ctenosauriscus, Lotosaurus,
Arizonasaurus, and Hypselorhachus.
Below is a
phylogenetic cladogram simplified from...
- (2005). "Osteology of the
Middle Tri****ic
pseudosuchian archosaur Arizonasaurus babbitti".
Historical Biology. 8 (1): 19–47. doi:10.1080/08912960500476499...
- Ctenosauriscidae,
which includes other sail-backed
poposauroids such as
Arizonasaurus.
Fossils have been
found in
latest Olenekian deposits around 247.5-247...
-
Benggwigwishingasuchus Lotosaurus Schultzsuchus?
Qianosuchus Ctenosauriscidae Arizonasaurus Bromsgroveia Bystrowisuchus Ctenosauriscus Hypselorhachis Tsylmosuchus...
-
pubis bones.
Galton noted similarities between the hips of Poposaurus,
Arizonasaurus, Bromsgroveia, Postosuchus, and Teratosaurus, and
grouped them all in...
- †
Arizonasaurus...
