Doswelliidae
Doswelliidae Temporal range: Middle - Late Triassic
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Life restoration Doswellia kaltenbachi, the most well known dosweliid | |
Scientific classification ![]() |
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Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Reptilia |
Clade: | †Proterochampsia |
Family: | †Doswelliidae Weems, 1980 |
Genera | |
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Doswelliidae is a family of carnivore archosauriforms. Doswelliids existed in North and South America during the Middle–Late Triassic period and were among the most derived non-archosaurian archosauriforms. The family was named by R. E. Weems in 1980 and it has been placed in its own suborder, Doswelliina.[1]
The Doswelliidae has long been considered a monospecific family of basal archosauriforms represented by Doswellia kaltenbachi from the Late Triassic of North America. However, a 2011 cladistic analysis recovered Archeopelta, Doswellia and Tarjadia within a monophyletic Doswelliidae. The phylogenetic analysis also indicates that Doswellidae is the closest large monophyletic clade to Archosauria (only the Chinese archosauriform Yonghesuchus nested closer to archosaurs).[2] In 2013, the fourth and fifth genera and species of dosweliids were named, Jaxtasuchus salomoni based on several skeletons found in the Ladinian-age Lower Keuper of Germany,[3] and Ankylosuchus chinlegroupensis based on fragments of four vertebrae, parts of the skull and of a limb bone from the early Carnian Colorado City Formation.[4] Both Ankylosuchus and Jaxtasuchus are more closely related to Doswellia than to more basal doswelliids.[3][4] A phylogenetic analysis by Ezcurra (2016) recovered Doswelliidae within Proterochampsia, which was found to be the sister taxon of Archosauria. The aquatic Vancleavea was also referred to Doswelliidae.[5]
Eucrocopoda |
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References
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Wikispecies has information related to: Doswelliidae |
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- ↑ Ezcurra MD. (2016) The phylogenetic relationships of basal archosauromorphs, with an emphasis on the systematics of proterosuchian archosauriforms. PeerJ, 4:e1778 [1]