Genus
Valid Extinct

Archaeodontosaurus

Buffetaut 2005
Etymology Reptile aux dents anciennes

Archaeodontosaurus is a genus of sauropod dinosaur from the Middle Jurassic. Its fossils were found in the Isalo III Formation of Madagascar. The type species, Archaeodontosaurus descouensi, was described in September 2005. The specific name honours the collector, Didier Descouens. It is a probable sauropod, with prosauropod-like teeth. It may be a basal member of Gravisauria.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
2
Group
Dinosaures
Herbivore Ground dwelling, gregarious Terrestrial
Archaeodontosaurus
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Wikimedia
PBDB ↗ Wikipedia ↗
Classification
Dinosauria Unranked clade
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Saurischia Unranked clade
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Sauropodomorpha Unranked clade
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Massopoda Unranked clade
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Sauropodiformes Unranked clade
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Sauropoda Unranked clade
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Archaeodontosaurus Genus
Fossil sites 2 geolocated sites
Distribution
Top countries
🇲🇬 Madagascar
2
Geological formations
Isalo IIIb
2
Temporal distribution
Bathonian (168.2–165.3 Ma)
2
Species (1)
Archaeodontosaurus descouensi 168 Ma
Images 1
Bibliography
Original description
E. Buffetaut. 2005. A new sauropod dinosaur with prosauropod-like teeth from the Middle Jurassic of Madagascar. Bulletin de la Societé Géologique de France 176(5):467-473 DOI ↗
Bibliography (2)
G. Bindellini and C. Dal Sasso. 2021. Sauropod teeth from the Middle Jurassic of Madagascar, and the oldest record of Titanosauriformes. Papers in Palaeontology 7(1):137-161 DOI ↗
E. Buffetaut. 2005. A new sauropod dinosaur with prosauropod-like teeth from the Middle Jurassic of Madagascar. Bulletin de la Societé Géologique de France 176(5):467-473 DOI ↗