Genus
Valid Extinct

Macrogryphosaurus

Calvo et al. 2007
Etymology Gros lézard énigmatique

Macrogryphosaurus is a genus of elasmarian dinosaur from the Coniacian age Upper Cretaceous Sierra Barrosa Formation of Argentina in Patagonia. It was described by Jorge Calvo and colleagues in 2007, with M. gondwanicus as the type and only species.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
1
Group
Dinosaures
Herbivore Ground dwelling, gregarious Terrestrial
Macrogryphosaurus
click to enlarge
Life reconstruction of Macrogryphosaurus by Tom Parker. Missing elements filled in from Talenkauen. © Tomopteryx · CC BY-SA 4.0 · Wikimedia
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Classification
Dinosauria Unranked clade
›
Ornithischia Unranked clade
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Neornithischia Unranked clade
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Pyrodontia Unranked clade
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Cerapoda Unranked clade
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Ornithopoda Suborder
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Iguanodontia Infraorder
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Euiguanodontia Unranked clade
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Elasmaria Unranked clade
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Macrogryphosaurus Genus
Fossil sites 1 geolocated sites
Distribution
Top countries
🇦🇷 Argentina
1
Geological formations
Sierra Barrosa
1
Temporal distribution
Coniacian (89.8–85.7 Ma)
1
Species (1)
Macrogryphosaurus gondwanicus 90 Ma
Images 1
Bibliography
Original description
J. O. Calvo, J. D. Porfiri, and F. E. Novas. 2007. Discovery of a new ornithopod dinosaur from the Portezuelo Formation (Upper Cretaceous), Neuquén, Patagonia, Argentina. Arquivos do Museu Nacional, Rio de Janeiro 65(4):471-483
Bibliography (1)
J. O. Calvo, J. D. Porfiri, and F. E. Novas. 2007. Discovery of a new ornithopod dinosaur from the Portezuelo Formation (Upper Cretaceous), Neuquén, Patagonia, Argentina. Arquivos do Museu Nacional, Rio de Janeiro 65(4):471-483