Riojasauridae
Encyclopedia
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).
Basal sauropodomorph phylogeny simplified after Yates, 2007. This is only one of many proposed cladograms for basal sauropodomorphs.
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
Riojasaurus
Riojasaurus
Riojasaurus was a herbivorous prosauropod dinosaur named after La Rioja Province in Argentina where it was found by José Bonaparte. It lived during the Late Triassic and grew to about long. Riojasaurus is the only known riojasaurid to live in South America.-Description:Riojasaurus had a heavy...
and Eucnemesaurus
Eucnemesaurus
Eucnemesaurus is a basal sauropodomorph dinosaur genus usually considered to be a synonym of Euskelosaurus. Recent study by Yates , however, indicates that it is valid and the same animal as putative "giant herrerasaurid" Aliwalia....
. Sites containing Riojasauridae include the Lower Elliot Formation of Orange Free State
Orange Free State
The Orange Free State was an independent Boer republic in southern Africa during the second half of the 19th century, and later a British colony and a province of the Union of South Africa. It is the historical precursor to the present-day Free State province...
, South Africa
South Africa
The Republic of South Africa is a country in southern Africa. Located at the southern tip of Africa, it is divided into nine provinces, with of coastline on the Atlantic and Indian oceans...
(where fossils of Eucnemesaurus have been found), and Ischigualasto
Ischigualasto
Ischigualasto is a geological formation and a natural park associated with it in the province of San Juan, north-western Argentina, near the border with Chile...
, in La Rioja Province
La Rioja Province (Argentina)
La Rioja is a one of the provinces of Argentina and is located in the west of the country. Neighboring provinces are from the north clockwise Catamarca, Córdoba, San Luis and San Juan.-History:...
, Argentina
Argentina
Argentina , officially the Argentine Republic , is the second largest country in South America by land area, after Brazil. It is constituted as a federation of 23 provinces and an autonomous city, Buenos Aires...
( where fossils of Riojasaurus have been recovered).
External links
- Sauropodomorpha from Thescelosaurus!