- Riojasauridae
Taxobox
name = Riojasauridae
fossil_range =Late Triassic
image_caption =
regnum =Animal ia
phylum = Chordata
classis = Sauropsida
superordo = Dinosauria
ordo =Saurischia
subordo =Sauropodomorpha
infraordo =Prosauropoda
familia = Riojasauridae
subdivision_ranks = Genera
subdivision =
*"Eucnemesaurus "
*"Riojasaurus "Riojasauridae is a family of
sauropod -like dinosaurs from theUpper Triassic . It is known primarily from the genera "Riojasaurus " and "Eucnemesaurus ". Sites containing Riojauridae include theLower Elliot Formation ofOrange Free State ,South Africa (where fossils of "Eucnemesaurus" have been found), andIschigualasto , in La Rioja Province,Argentina ( where fossils of "Riojasaurus" have been recovered).clade|style=font-size:80%;line-height:50%
label1=Plateosauria
1=clade
label1=Plateosauridae
1=clade
1="Unaysaurus "
2="Plateosaurus "
label2=Massopoda
2=clade
label1=Riojasauridae
1=clade
1="Riojasaurus "
2="Eucnemesaurus "
label2= (unnamed)
2=clade
label1=Massospondylidae
1=clade
1="Massospondylus "
label2= (unnamed)
2=clade
1="Coloradisaurus "
2="Lufengosaurus "
label2= (unnamed)
2=clade
1="Jingshanosaurus "
2=Anchisauria
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 9781405169332.
External links
* [http://www.users.qwest.net/~jstweet1/sauropodomorpha.htm Sauropodomorpha] from "Thescelosaurus!"
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