Genus
Valid Extinct

Emiliasaura

Coria et al. 2024

Emiliasaura is an extinct genus of iguanodontian ornithopod dinosaurs from the Early Cretaceous (Valanginian) Mulichinco Formation of Neuquén Province, Argentina. The genus contains a single species, Emiliasaura alessandrii, known from three individual specimens. Emiliasaura was initially described as a rhabdodontomorph. If this identification is correct, it would represent the oldest member of this clade and the first named from South America. However, a later analysis of rhabdodontomorphs failed to recover Emiliasaura within this clade, instead placing it as a styracosternan.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
1
Group
Dinosaures
Herbivore Ground dwelling, gregarious Terrestrial
Emiliasaura
click to enlarge
Life reconstruction of Emiliasaura alessandrii © Ddinodan · CC BY 4.0 · Wikimedia
PBDB Wikipedia
Classification
Dinosauria Unranked clade
Ornithischia Unranked clade
Neornithischia Unranked clade
Pyrodontia Unranked clade
Cerapoda Unranked clade
Ornithopoda Suborder
Iguanodontia Infraorder
Rhabdodontomorpha Unranked clade
Emiliasaura Genus
Fossil sites 1 geolocated sites
Distribution
Top countries
🇦🇷 Argentina
1
Geological formations
Mulichinco
1
Temporal distribution
Valanginian (137.05–132.6 Ma)
1
Species (1)
Emiliasaura alessandrii 137 Ma
Images 1
Bibliography
Original description
R. Coria, I. Cerda, and F. Escaso, M. Baiano, F. Bellardini, A. Braun, L. Coria, J. Gutierrez, D. Pino, G. Windholz, P. Currie, F. Ortega. 2024. First Valanginian (Early Cretaceous) ornithopod (Dinosauria, Ornithischia) from Patagonia. Cretaceous Research DOI ↗
Bibliography (1)
R. Coria, I. Cerda, and F. Escaso, M. Baiano, F. Bellardini, A. Braun, L. Coria, J. Gutierrez, D. Pino, G. Windholz, P. Currie, F. Ortega. 2024. First Valanginian (Early Cretaceous) ornithopod (Dinosauria, Ornithischia) from Patagonia. Cretaceous Research DOI ↗