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
Eotrachodon
Eotrachodon
PBDB ↗ Wikipedia ↗
Classification
Dinosauria Unranked clade
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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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Dryomorpha Unranked clade
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Ankylopollexia Unranked clade
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Styracosterna Unranked clade
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Hadrosauriformes Unranked clade
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Hadrosauroidea Unranked clade
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Hadrosauridae Family
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Eotrachodon Genus
Measurements
Length
4,9 m ⓘ
Eotrachodon orientalis
Mass
640 kg ⓘ
Eotrachodon orientalis
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 2
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 ↗