Genus
Valid Extinct

Iguanacolossus

McDonald et al. 2010

Iguanacolossus is a genus of iguanodontian ornithopod dinosaur that lived in North America during the Early Cretaceous period. It is known from UMNH VP 20205, the associated holotype with a large partial skeleton of a single individual.

Temporal range
Triassic
Jurassic
Cretaceous
Paleogene
Neogene
252 201 145 66 0 Ma
PBDB occurrences
2
Group
Dinosaures
Herbivore Ground dwelling, gregarious Terrestrial
Iguanacolossus
click to enlarge
Reconstruction of Iguanacolossus fortis. © Andrew T. McDonald, James I. Kirkland, Donald D. DeBlieux, Scott K. Madsen, Jennifer Cavin, Andrew R. C. Milner, Lukas Panzarin · CC BY 2.5 · Wikimedia
Iguanacolossus
Iguanacolossus
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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Iguanacolossus Genus
Measurements
Length
9,8 m ⓘ
Iguanacolossus fortis
Mass
5 000 kg ⓘ
Iguanacolossus fortis
Fossil sites 2 geolocated sites
Distribution
Top countries
🇺🇸 United States
2
Geological formations
Cedar Mountain
2
Temporal distribution
Valanginian (137.05–132.6 Ma)
2
Species (1)
Iguanacolossus fortis 139 Ma
Images 5
Bibliography
Original description
A. T. McDonald, J. I. Kirkland, and D. D. DeBlieux, S. K. Madsen, J. Cavin, A. R. C. Milner, L. Panzarin. 2010. New basal iguanodonts from the Cedar Mountain Formation of Utah and the evolution of thumb-spiked dinosaurs. PLoS One 5(11):e14075:1-35 DOI ↗
Bibliography (2)
J. I. Kirkland, M. B. Suarez, and C. A. Suarez, R. K. Hunt-Foster. 2016. The Medial Cretaceous in East-Central Utah—the Cedar Mountain Formation and its Bounding Strata. Society of Vertebrate Paleontology Field Trip Guide. DOI ↗
A. T. McDonald, J. I. Kirkland, and D. D. DeBlieux, S. K. Madsen, J. Cavin, A. R. C. Milner, L. Panzarin. 2010. New basal iguanodonts from the Cedar Mountain Formation of Utah and the evolution of thumb-spiked dinosaurs. PLoS One 5(11):e14075:1-35 DOI ↗