†Eotrachodon Prieto-Márquez, Erickson and Ebersole, 2016[1]
Type species
†Eotrachodon orientalis
Prieto-Marquez, Erickson and Ebersole, 2016[1]
Eotrachodon orientalis (meaning "dawn Trachodon from the east") is a species of hadrosaurid that was described in 2016. The holotype was found in the Mooreville Chalk Formation (Upper Santonian) in Alabama in 2007 and includes a well-preserved skull and partial skeleton, making it a rare find among dinosaurs of Appalachia. Another primitive hadrosaur, Lophorhothon, is also known from the same formation, although Eotrachodon lived a few million years prior. A phylogenetic study has found Eotrachodon to be the sister taxon to the hadrosaurid subfamilies Lambeosaurinae and Saurolophinae. This, along with the other Appalachian hadrosaur Hadrosaurus and possibly Lophorhothon, Claosaurus and both species of Hypsibema, suggests that Appalachia was the ancestral area of Hadrosauridae.[1]
Life restoration of Eotrachodon orientalis
†Hadrosauridae
†Hadrosaurus foulkii
†Eotrachodon orientalis
†Saurolophidae (=Euhadrosauria)
†Lambeosaurinae
†Saurolophinae
^ abcPrieto-Marquez, Albert; Erickson, Gregory M.; Ebersole, Jun A. (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. Bibcode:2016JVPal..36E4495P. doi:10.1080/02724634.2015.1054495. S2CID 86032549.
Eotrachodon orientalis (meaning "dawn Trachodon from the east") is a species of hadrosaurid that was described in 2016. The holotype was found in the...
its eastern range, Saurornitholestes lived alongside hadrosaurs like Eotrachodon and Hypsibema, large theropods like Appalachiosaurus and Dryptosaurus...
Remains of multiple individuals are known, making up much of the skeleton Eotrachodon 2016 Mooreville Chalk (Late Cretaceous, Santonian) United States ( Alabama)...
from New Jersey. It was the first theropod unearthed in North America. Eotrachodon Upper Cretaceous herbivore Hadrosaur from Alabama known from a nearly...
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