A Guide to the Dinosaurs of Colorado
On Dinosaur Classification
On Scientific Names
The Basics of Taxonomy
An Introduction to Cladistcs
Taxonomy of the Dinosaurs of Colorado
Cladogram of the Dinosaurs of Colorado
About the Dinosaurs of Colorado
Geological
Time Chart
    

Genus Iguanodon

Taxonomy: Recognized Species
Class Dinosauria
  Subclass Ornithischia
    Order Ornithopoda
      Family Iguanodontidae
I. anglicus Holl, 1829
  West Sussex, England
I. atherfieldensis Hooley, 1924
  England & Western Europe
I. bernissartensis Boulenger, 1881
  England & Western Europe
I. dawsoni Lydekker, 1888
  East Sussex, England
I. fittoni Lydekker, 1889
  East Sussex, England
I. hoggi Owen, 1874
  Dorset, England
I. lakotaensis Weishampel & Bjork, 1989
  South Dakota, (?) Utah
Species in Colorado: (?) Iguanodon lakotaensis
(Presence in Colorado tentatively identified by Iguanodontid footprints near Morrison.)
Size: Where found:
30 feet
9 meters		 Lakota Formation of South Dakota
Footprints in Dakota sandstone of Colorado
Period: Age:
Early Cretaceous Albian through Berriasian
  97.5 - 144 Ma.
Material Found
I. anglicus
Teeth and postcranial fragments.
I. atherfieldensis
3 complete skulls and skeletons, other isolated material.
I. bernissartensis
At least 26 skulls and skeletons, other isolated material.
I. dawsoni
2 partial skeletons.
I. fittoni
3 partial skulls and jaws.
I. hoggi
Mandible.
I. lakotaensis
Skull, mandible, vertebrae.

Information compiled by Donald L. Blanchard

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