Rayososaurus
| Rayososaurus Temporal range: Cenomanian
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| Skeletal diagrams | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | Saurischia |
| Clade: | †Sauropodomorpha |
| Clade: | †Sauropoda |
| Superfamily: | †Diplodocoidea |
| Family: | †Rebbachisauridae |
| Subfamily: | †Limaysaurinae |
| Genus: | †Rayososaurus Bonaparte, 1996 |
| Species | |
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Rayososaurus is a genus of plant-eating sauropod dinosaur of the superfamily Diplodocoidea. It was found in the Candeleros Formation, but was named Rayososaurus after the Rayoso Member, which later has been elevated to the older Rayoso Formation.[1] The formations are located in the Neuquén Basin of northern Patagonia, Argentina. Rayososaurus lived during the Cenomanian epoch of the Late Cretaceous, about 99 to 96 million years ago. The type species is R. agrioensis, named by Argentinian paleontologist José Bonaparte in 1996.[2] The species epithet agrioensis refers to the Agrio del Medio locality.[1]
Description
Rayososaurus is extremely similar to Rebbachisaurus and there is some debate as to whether Rayososaurus is indeed a separate genus.[citation needed] However, morphological and temporal differences tend to support the distinction.[citation needed] Fossil finds are only a scapula, femur and part of fibula. The racket-shaped scapula is characteristic of the Rebbachisauridae.
Phylogeny
References
- ^ a b Rayososaurus at Fossilworks.org
- ^ Bonaparte, J. (1996). "Cretaceous tetrapods of Argentina". Münchner Geowissenschaften Abhandlungen 30: 73-130.
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