Mimeosaurus
Extinct genus of lizards
| Mimeosaurus Temporal range: Late Cretaceous, 84.9–70.6 Ma[1] PreꞒ Ꞓ O S D C P T J K Pg N | |
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Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Squamata |
| Suborder: | Iguania |
| Family: | †Priscagamidae |
| Genus: | †Mimeosaurus Gilmore, 1943 |
| Type species | |
| †Mimeosaurus crassus Gilmore, 1943 | |
Mimeosaurus is an extinct genus of iguanian lizard from the Late Cretaceous of Mongolia. It is part of an extinct family of iguanians called Priscagamidae, and was the first priscagamid to have been described, having been named by American paleontologist Charles W. Gilmore in 1943.[2] Currently only one species, the type species Mimeosaurus crassus, belongs within the genus. A second species, M. tugrikinensis, was named in 1989, but later studies argued that the specimens on which the new name is based are not sufficiently different from M. crassus specimens to warrant being classified as a separate species. Mimeosaurus is unique among iguanians in having premaxilla bones at the tip of the snout that are reduced in size, as well as having two pairs of enlarged canine-like teeth in the maxilla.[3]
References
- ^ "†Mimeosaurus Gilmore 1943". Paleobiology Database. Fossilworks. Retrieved 17 December 2021.
- ^ Borsuk-Białynicka, M. & Moody, S.M. (1984). "Priscagaminae, a new subfamily of the Agamidae (Sauria) from the Late Cretaceous of the Gobi Desert". Acta Palaeontologica Polonica. 29 (1–2): 51–81.
- ^ Gao, K. & Norell, M. (2000). "Taxonomic composition and systematics of late Cretaceous lizard assemblages from Ukhaa Tolgod and adjacent localities, Mongolian Gobi Desert". Bulletin of the American Museum of Natural History (249): 1–117. hdl:2246/1596.
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Extinct squamate genera
- Kingdom: Animalia
- Phylum: Chordata
- Class: Reptilia
- Superorder: Lepidosauria
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Indeterminate squamates | |
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