†unranked clade Elasmaria Calvo et al. 2007 (ornithopod)

Reptilia - Ornithischia

Full reference: 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

Parent taxon: Iguanodontia according to P.-E. Dieudonné et al. 2020

See also Calvo et al. 2007, Herne et al. 2019, Madzia et al. 2018, Moyano-Paz et al. 2022 and Novas et al. 2019

Sister taxa: Albisaurus, Albisaurus scutifer, Anoplosaurus major, Bihariosaurus, Camptosauroidea, Choyrodon, Convolosaurus, Dryomorpha, Eucercosaurus, Eucercosaurus tanyspondylus, Euiguanodontia, Fulgurotherium, Iguanodon ottingeri, Iguanodontoidea, Iyuku, Loncosaurus, Mantellisaurus, Osmakasaurus, Planicoxa, Rhabdodontomorpha, Sektensaurus, Sphenospondylus, Syngonosaurus, Syngonosaurus macrocercus, Tenontosaurus, Tichosteus, Vectisaurus, Yueosaurus

Subtaxa: Anabisetia Atlascopcosaurus Diluvicursor Galleonosaurus Isasicursor Kangnasaurus Leaellynasaura Macrogryphosaurus Mahuidacursor Morrosaurus Talenkauen Trinisaura

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Ecology: ground dwelling herbivore

Distribution:

• Cretaceous of Antarctica (2 collections), Argentina (10), Australia (7), South Africa (1)

Total: 20 collections including 28 occurrences

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