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Named By: J. F. Bonaparte in 1969
Time Period: Late Triassic, 217-215 Ma
Location: Argentina - Los Colorados Formation
Size: Skull 25 centimetres long. Roughly estimated to be about 2 meters long
Diet: Carnivore
Fossil(s): Based upon almost compete skull and partial post cranial skeletal remains. Fossil remains of at least four individuals are now known
Classification: | Chordata | Reptilia | Archosauria | Pseudosuchia | Ornithosuchidae |

Not to be confused with the sauropodomorph dinosaur, Riojasaurus

Riojasuchus is an extinct genus of quadrupedal crurotarsan archosaur. Riojasuchus is a member of Ornithosuchidae, a family of facultatively bipedal carnivores that were geographically widespread during the Late Triassic. Two other genera, Ornithosuchus and Venaticosuchus, are currently known. The holotype specimen is PVL 3827. It was found in the Los Colorados Formation.

Read more about Riojasuchus at Wikipedia
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