Chapter

Basal Iguanodontia

David B. Norman

in The Dinosauria

Published by University of California Press

Published in print June 2004 | ISBN: 9780520242098
Published online March 2012 | e-ISBN: 9780520941434 | DOI: http://dx.doi.org/10.1525/california/9780520242098.003.0022
Basal Iguanodontia

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This chapter discusses the anatomy, phylogeny, biogeography, and paleobiology of basal iguanodontians. Basal iguanodontians range from small (2 to 3 m long), lightly built active bipeds, represented by Dryosaurus, to large and robust (10 to 11 m long) facultative quadrupeds such as Iguanodon bernissartensis, with an estimated body mass in excess of 2,500 kg. Basal iguanodontians are distributed across the Northern and Southern hemispheres and found in rocks ranging in age from the Late Jurassic to latest Cretaceous.

Keywords: basal iguanodontians; iguanodontians; bipeds; quadrupeds; Dryosaurus; Iguanodon bernissartensis

Chapter.  15512 words.  Illustrated.

Subjects: Evolutionary Biology

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