Family
Valid Extinct

Guaibasauridae

Bonaparte et al. 1999

Guaibasauridae is a family of basal sauropodomorph dinosaurs, known from fossil remains of late Triassic period formations in Brazil, Argentina and India.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
5
Group
Dinosaures
Terrestrial
Guaibasauridae
click to enlarge
Fossil skeleton of Guaibasaurus, a basal Saurischian dinosaur genus © Sergio kaminski · Public domain · Wikimedia
PBDB ↗ Wikipedia ↗
Classification
Dinosauria Unranked clade
›
Saurischia Unranked clade
›
Sauropodomorpha Unranked clade
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Guaibasauridae Family
Fossil sites 5 geolocated sites
Distribution
Top countries
🇧🇷 Brazil
3
🇬🇧 United Kingdom
1
🇮🇳 India
1
Geological formations
Caturrita
3
Maleri
1
Temporal distribution
Norian (227.3–205.7 Ma)
4
Carnian (237–227.3 Ma)
1
Bibliography
Original description
J. F. Bonaparte, J. Ferigolo, and A. M. Ribeiro. 1999. A new early Late Triassic saurischian dinosaur from Rio Grande do Sol state, Brazil. Proceedings of the Second Gondwanan Dinosaur Symposium, National Science Museum Monographs 15:89-109
Bibliography (5)
F. E. Novas, M. D. Ezcurra, and S. Chatterjee, T. S. Kutty. 2011. New dinosaur species from the Upper Triassic Upper Maleri and Lower Dharmaram formations of Central India. Earth and Environmental Science Transactions of the Royal Society of Edinburgh 101:333-349 DOI ↗
M. B. Soares, C. L. Schultz, and B. I. D. Horn. 2011. New information on Riograndia guaibensis Bonaparte, Ferigolo & Ribeiro, 2001 (Eucynodontia, Tritheledontidae) from the Late Triassic of southern Brazil: anatomical and biostratigraphic implications. Anais da Academia Brasileira de Ciências 83(1):329-354 DOI ↗
G. Brea, J. F. Bonaparte, and C. L. Schultz, A. G. Martinelli. 2005. A new specimen of Guaibasaurus candelariensis (basal Saurischia) from the Late Triassic Caturrita Formation of southern Brazil. II Congresso Latino-Americano de Paleontologia de Vertebrados, Boletim de Resumos. Museum Nacional/UFRJ, Rio de Janeiro
N. C. Fraser, K. Padian, and G. M. Walkden, A. L. M. Davis. 2002. Basal dinosauriform remains from Britain and the diagnosis of the Dinosauria. Palaeontology 45(1):79-95 DOI ↗
J. F. Bonaparte, J. Ferigolo, and A. M. Ribeiro. 1999. A new early Late Triassic saurischian dinosaur from Rio Grande do Sol state, Brazil. Proceedings of the Second Gondwanan Dinosaur Symposium, National Science Museum Monographs 15:89-109