Theriosuchus is an extinct genus of atoposaurid neosuchian from Late Jurassic to Early Cretaceous of Europe (Hungary & southern England), Southeast Asia (Thailand) and western North America (Wyoming), with fragmentary records from Middle Jurassic and Early Cretaceous sites in China, Morocco, and Scotland.[2]
Theriosuchus Temporal range: Late Jurassic - Early Cretaceous,
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Fossil of T. pusillus | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Reptilia |
Clade: | Archosauria |
Clade: | Pseudosuchia |
Clade: | Crocodylomorpha |
Clade: | Crocodyliformes |
Clade: | Neosuchia |
Clade: | Eusuchia |
Family: | †Atoposauridae |
Genus: | †Theriosuchus Owen, 1879 |
Species | |
Three valid species are currently recognized: Theriosuchus pusillus from southern England,[3] T. grandinaris from Thailand,[4] and T. morrisonensis from the Morrison Formation of North America.[5] Theriosuchus was previously assigned to Atoposauridae, but a 2016 cladistic analysis recovered it as a neosuchian more closely related to members of the family Paralligatoridae than to atoposaurids.[2]
Two species previously assigned to this genus, Theriosuchus ibericus[6] and T. symplesiodon,[7] have been reassigned to the new genus Sabresuchus.[2] On the other hand, Theriosuchus guimarotae from Portugal[8] has been reassigned to Knoetschkesuchus.[9]
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