Riojasauridae

Riojasauridae
Temporal range: Late Triassic, 228–213Ma
life reconstruction of a Riojasaurus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Suborder: Sauropodomorpha
Clade: Massopoda
Family: Riojasauridae
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).

Eucnemesaurus Riojasaurus
 Plateosauria 
 Plateosauridae 

Unaysaurus



Plateosaurus



 Massopoda 
Riojasauridae 

Riojasaurus



Eucnemesaurus



 (unnamed) 
 Massospondylidae 

Massospondylus 


 (unnamed) 

Coloradisaurus 



Lufengosaurus 




 (unnamed) 

Jingshanosaurus



Anchisauria






Basal sauropodomorph phylogeny simplified after Yates, 2007. This is only one of many proposed cladograms for basal sauropodomorphs.


References

External links