Genus
Valid Extinct

Lophorhothon

Langston 1960

Lophorhothon is a genus of hadrosauroid dinosaur from the Late Cretaceous of Alabama, and possibly Georgia and North Carolina. It was the first dinosaur genus discovered in Alabama, in the United States.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
2
Group
Dinosaures
Herbivore Ground dwelling, gregarious Terrestrial
Lophorhothon
click to enlarge
Skeletal elements of Lophorhothon atopus. (A, B and C) Partial skull roof and braincase (holotype FMNH 27383) in dorsal, ventral, and left lateral views. (D) Partial left nasal of FMNH 27383 in lateral view. (E) Left prefrontal of FMNH 27383 in lateral view. (F) Partial left jugal of FMNH 27383 in medial view. (G) Detail of marginal denticles of the dentary tooth in (H). (H) Apical half of a dentary tooth crown AUMP 2295 in lingual view. (I) Maxillary tooth crown of FMNH 27383 in labial view. (J) Left pubis of AUMP 2295 in lateral view. (K) Iliac process of the left ilium of FMNH 27383 in lateral view. © Albert Prieto-Márquez​, Gregory M. Erickson, Jun A. Ebersole · CC BY 4.0 · Wikimedia
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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Neoiguanodontia Unranked clade
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Hadrosauromorpha Unranked clade
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Lophorhothon Genus
Fossil sites 2 geolocated sites
Distribution
Top countries
🇺🇸 United States
2
Geological formations
Mooreville Chalk
2
Temporal distribution
Campanian (83.6–72.2 Ma)
1
Santonian (85.7–83.6 Ma)
1
Species (1)
Lophorhothon atopus 86 Ma
Images 2
Bibliography
Original description
W. Langston. 1960. The vertebrate fauna of the Selma Formation of Alabama. Part VI. The dinosaurs. Fieldiana: Geology Memoirs 3(6):315-361 DOI ↗
Bibliography (2)
T. A. Gates and J. P. Lamb. 2021. A redescription of Lophorhothon atopus (Ornithopoda: Dinosauria) from the Late Cretaceous of Alabama based on new material. Canadian Journal of Earth Sciences 58:918-935 DOI ↗
W. Langston. 1960. The vertebrate fauna of the Selma Formation of Alabama. Part VI. The dinosaurs. Fieldiana: Geology Memoirs 3(6):315-361 DOI ↗