Acaenasuchus
| Acaenasuchus Temporal range: Late Triassic,
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | Archosauria |
| Clade: | Pseudosuchia |
| Clade: | †Aetosauriformes |
| Genus: | †Acaenasuchus Long & Murry 1995 |
| Species | |
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Acaenasuchus (meaning "thorn crocodile") is an extinct genus of pseudosuchians, endemic to what would be North America during the Triassic, existing for approximately 11.5 million years.[1]
Once considered a juvenile of Desmatosuchus, recent work and new material has demonstrated that it is a fully-grown and diagnostic taxon. In 2020, a phylogenetic analysis found it to be closely related to Revueltosaurus and Euscolosuchus.[2]
Taxonomy
Acaenasuchus was named by Long and Murry (1995). Its type is Acaenasuchus geoffreyi. It was assigned to Stagonolepididae by Irmis (2005).[3]
References
- ^ Paleobiology Database: Acaenasuchus, basic info
- ^ Marsh, Adam D.; Smith, Matthew E.; Parker, William G.; Irmis, Randall B.; Kligman, Ben T. (2020-10-12). "Skeletal Anatomy of Acaenasuchus Geoffreyi Long and Murry, 1995 (Archosauria: Pseudosuchia) and its Implications for the Origin of the Aetosaurian Carapace". Journal of Vertebrate Paleontology. 40 (4): e1794885. doi:10.1080/02724634.2020.1794885. ISSN 0272-4634.
- ^ R. B. Irmis. 2005. The vertebrate fauna of the Upper Triassic Chinle Formation in northern Arizona. In S. J. Nesbitt, W. G. Parker, & R. B. Irmis (eds.), Guidebook to the Triassic Formations of the Colorado Plateau in Northern Arizona: Geology, Paleontology, and History. Mesa Southwest Museum Bulletin 9:63-88
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