Guaibasaurus

Guaibasaurus
Temporal range: Late Triassic,
Skeletal reconstruction of Guaibasaurus candelariensis as an advanced, Unaysaurus-grade sauropodomorph. Known elements are in white.
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Clade: Saurischia
Clade: Sauropodomorpha
Family: Guaibasauridae
Genus: Guaibasaurus
Bonaparte et al., 1999
Species:
G. candelariensis
Binomial name
Guaibasaurus candelariensis
Bonaparte et al., 1999

Guaibasaurus is an extinct genus of basal saurischian dinosaur known from the Late Triassic Caturrita Formation of Rio Grande do Sul, southern Brazil. Most analyses recover it as a sauropodomorph, although there are some suggestions that it was a theropod instead. In 2016 Gregory S. Paul estimated it at 2 meters (6.6 ft) and 10 kg (22 lbs), whereas in 2020 Molina-Pérez and Larramendi listed it at 3 meters (10 ft) and 35 kg (77 lbs).

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