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| Ophiussasuchus Temporal range: Late Jurassic
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | Archosauria |
| Clade: | Pseudosuchia |
| Clade: | Crocodylomorpha |
| Clade: | Crocodyliformes |
| Family: | †Goniopholididae |
| Genus: | †Ophiussasuchus López-Rojas et al., 2024 |
| Type species | |
| Ophiussasuchus paimogonectes López-Rojas et al., 2024
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Ophiussasuchus ("Crocodile of Ophiussa") is an extinct genus of goniopholidid neosuchian from the Upper Jurassic Lourinhã Formation of Portugal. It was a medium-sized goniopholidid, about 2.5 m to 3 m long,[1][2] with a flattened skull and mesorostrine snout. Although most closely related to the Cretaceous goniopholids of Europe, such as Hulkepholis and Anteophthalmosuchus, Ophiussasuchus shares a variety of characteristics with more basal taxa from the Jurassic of Asia and North America. This could suggest that it either represents a transitional form or that this genus independently re-evolved these ancestral features. Ophiussasuchus is a monotypic genus, only including a single species: O. paimogonectes.[1]
- ^ a b López-Rojas, V.; Mateus, S.; Marinheiro, J.; Mateus, O.; Puértolas-Pascual, E. (2024). "A new goniopholidid crocodylomorph from the Late Jurassic of Portugal". Palaeontologia Electronica. 27 (1): 1–33. doi:10.26879/1316.
- ^ Young, Mark T.; Bell, Mark A.; De Andrade, Marco B.; Brusatte, Stephen L. (December 2011). "Body size estimation and evolution in metriorhynchid crocodylomorphs: implications for species diversification and niche partitioning: Metriorhynchid Body Size Evolution". Zoological Journal of the Linnean Society. 163 (4): 1199–1216. doi:10.1111/j.1096-3642.2011.00734.x.