Genus
Valid Extinct

Eotrachodon

Prieto-Márquez et al. 2016

Eotrachodon is a genus of hadrosaurid dinosaur that lived in the Late Cretaceous of eastern North America. The holotype was found in the Mooreville Chalk Formation of Alabama in 2007 and includes a well-preserved skull and partial skeleton, making it a rare find among dinosaurs of Appalachia.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
1
Group
Dinosaures
Herbivore Ground dwelling, gregarious Terrestrial
Eotrachodon
click to enlarge
Right premaxilla of Eotrachodon orientalis (holotype MSC 7949). (A) Dorsal view. (B) Rostral view. (C) Lateral view. (D) Rostral view of rostral layer of premaxillary denticles. (E) Ventral view of premaxillary denticles. (F) Ventral view. (G) Medioventral view. © Albert Prieto-Márquez​1, Gregory M. Erickson2, Jun A. Ebersole3 · 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
Euiguanodontia Unranked clade
Dryomorpha Unranked clade
Ankylopollexia Unranked clade
Styracosterna Unranked clade
Hadrosauriformes Unranked clade
Hadrosauroidea Unranked clade
Hadrosauridae Family
Eotrachodon Genus
Fossil sites 1 geolocated sites
Distribution
Top countries
🇺🇸 United States
1
Geological formations
Mooreville Chalk
1
Temporal distribution
Santonian (85.7–83.6 Ma)
1
Species (1)
Eotrachodon orientalis 86 Ma
Images 1
Bibliography
Original description
A. Prieto-Márquez, G. M. Erickson, and J. A. Ebersole. 2016. A primitive hadrosaurid from southeastern North America and the origin and early evolution of ‘duck-billed’ dinosaurs. Journal of Vertebrate Paleontology 36(2):e1054495:1-10 DOI ↗
Bibliography (1)
A. Prieto-Márquez, G. M. Erickson, and J. A. Ebersole. 2016. A primitive hadrosaurid from southeastern North America and the origin and early evolution of ‘duck-billed’ dinosaurs. Journal of Vertebrate Paleontology 36(2):e1054495:1-10 DOI ↗