Daemonosaurus
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Daemonosaurus Temporal range: Late Triassic, Rhaetian |
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| Restored skull | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | Dinosauria |
| Order: | Saurischia |
| Clade: | Eusaurischia |
| Suborder: | Theropoda |
| Genus: |
†Daemonosaurus Sues et al., 2011 |
| Species: | †D. chauliodus |
| Binomial name | |
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Daemonosaurus chauliodus Sues et al., 2011 |
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Daemonosaurus (pron.:"DAY-mow-no-SORE-us") is an extinct genus of theropod dinosaur from the Late Triassic of New Mexico. Fossils have been found from deposits in the Chinle Formation, which is latest Triassic in age. While theropods had diversified into several specialized groups by this time, Daemonosaurus is a basal theropod that lies outside the clade Neotheropoda. Daemonosaurus is unusual among early theropods in that it had a short skull and long protruding teeth.
Daemonosaurus was named by Hans-Dieter Sues, Sterling J. Nesbitt, David S. Berman and Amy C. Henrici in the journal Proceedings of the Royal Society B in 2011 and the type species is Daemonosaurus chauliodus. The generic name Daemonosaurus is derived from the Greek words "daimon" (δαίμων) meaning "demon" and "sauros" (σαύρα) meaning "reptile". The specific name is derived from the Greek word "chauliodous" (χαυλιόδους) meaning "prominent toothed", which is in reference to its procumbent front teeth.
Daemonosaurus is known from the single holotype CM 76821, which consists of a skull, mandibles, an atlas bone, an axis bone, neck vertebrae, and rib fragments discovered at Ghost Ranch. Ghost Ranch is famous for an abundance of fossils of the similar theropod Coelophysis. Fossils of Coelophysis were present on the same block that contained the skull of Daemonosaurus, which was uncovered by a volunteer at the State Museum of Pennsylvania. In 2011, Fred Bervoets noted that "it is possible that additional postcranial bones will be retrieved during further preparation of the large block C-4-81 in which CM 76821 was discovered in association with skeletal remains of C. bauri."
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