Eucoelophysis

Eucoelophysis
Temporal range: Late Triassic, 228–208 Ma
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Family: Silesauridae
Clade: Sulcimentisauria
Genus: Eucoelophysis
Species:
E. baldwini
Binomial name
Eucoelophysis baldwini
Sullivan & Lucas, 1999

Eucoelophysis (meaning "true hollow form") is a genus of silesaurid dinosauriform from the Late Triassic (Norian) period Chinle Formation of New Mexico. It was assumed to be a coelophysid upon description, but a study by Nesbitt et al. found that it was actually a close relative of Silesaurus, which was independently supported by Ezcurra (2006), who found it to be the sister group to Dinosauria, and Silesaurus as the next most basal taxon.

However, the relationships of Silesaurus are uncertain. Dzik found it to be a basal dinosauriform (the group of archosaurs from which the dinosaurs evolved), but did not rule out the possibility that it represents a primitive ornithischian.



This page was last updated at 2022-03-05 10:04 UTC. Update now. View original page.

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