| Riojasaurids | |
|---|---|
) | |
| Riojasaurus skull cast | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | Saurischia |
| Suborder: | †Sauropodomorpha |
| Clade: | †Massopoda |
| Family: | †Riojasauridae Yates, 2007 |
| Genera | |
Riojasauridae is a family of sauropod-like dinosaurs from the Upper Triassic. It is known primarily from the genera Riojasaurus and Eucnemesaurus. Sites containing Riojasauridae include the Lower Elliot Formation of Orange Free State, South Africa (where fossils of Eucnemesaurus have been found), and Ischigualasto, in La Rioja Province, Argentina (where fossils of Riojasaurus have been recovered).[1]
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| Basal sauropodomorph phylogeny simplified after Yates, 2007. This is only one of many proposed cladograms for basal sauropodomorphs. |
References
- ^ Yates, Adam M. (2007). "The first complete skull of the Triassic dinosaur Melanorosaurus Haughton (Sauropodomorpha: Anchisauria)", in Barrett, Paul M. & Batten, David J., Special Papers in Palaeontology, vol. 77, p. 9–55, ISBN 978-1-4051-6933-2.