Yvridiosuchus
(Redirected from Steneosaurus boutilieri)
| Yvridiosuchus Temporal range: Middle Jurassic
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| Holotype of 'Y. boutilieri and referred specimen (holotype of "S." meretrix) | |
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| Four skulls assigned to Yvridiosuchus at the OUMNH; a skull assigned to Y. boutilieri (A), the holotype skull of "Steneosaurus" meretrix (B), a jaw assigned to Y. boutilieri (C) and the holotype skull of Y. boutilieri (D) | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | Archosauria |
| Clade: | Pseudosuchia |
| Clade: | Crocodylomorpha |
| Clade: | Crocodyliformes |
| Suborder: | †Thalattosuchia |
| Family: | †Machimosauridae |
| Tribe: | †Machimosaurini |
| Genus: | †Yvridiosuchus Johnson et al., 2019 |
| Species: | †Y. boutilieri
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| Binomial name | |
| †Yvridiosuchus boutilieri | |
| Synonyms | |
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Yvridiosuchus (meaning "hybrid crocodile") is an extinct genus of machimosaurid crocodyliform from the Middle Jurassic (Bathonian) Cornbrash Formation of England and the Sommet de la Grande Oolithe, Calvados, France. The type and only known species is Y. boutilieri. Yvridiosuchus is the oldest known member of Machimosaurini, a clade of large, predatory machimosaurids with powerful jaws and teeth. Yvridiosuchus was named on the basis that it has characteristics of both earlier machimosaurids and the derived machimosaurins, such as conical, blunt teeth. It co-existed with the more generalist machimosaurid Deslongchampsina.[1]
References
[edit]- ^ Michela M. Johnson; Mark T. Young; Stephen L. Brusatte (2019). "Re-description of two contemporaneous mesorostrine teleosauroids (Crocodylomorpha: Thalattosuchia) from the Bathonian of England and insights into the early evolution of Machimosaurini". Zoological Journal of the Linnean Society. Advanced online publication (2): 449–482. doi:10.1093/zoolinnean/zlz037. hdl:1842/36656.
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