Complex Dental Structure and Wear Biomechanics in Hadrosaurid Dinosaurs-Reference-Cited by-同舟云学术

Complex Dental Structure and Wear Biomechanics in Hadrosaurid Dinosaurs

Published:2012-10-05 Issue:6103 Volume:338 Page:98-101
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Erickson Gregory M.¹,Krick Brandon A.²,Hamilton Matthew²,Bourne Gerald R.³,Norell Mark A.⁴,Lilleodden Erica⁵,Sawyer W. Gregory²

Affiliation:

1. Department of Biological Science, Florida State University, Tallahassee, FL 32306–4295, USA.

2. Department of Mechanical and Aerospace Engineering, University of Florida, Gainesville, FL 32611, USA.

3. Department of Metallurgical and Materials Engineering, Colorado School of Mines, Golden, CO 80401, USA.

4. Division of Paleontology, American Museum of Natural History, New York, NY 10024, USA.

5. Institute of Materials Research, Materials Mechanics, Helmholtz-Zentrum Geesthacht, Geesthacht, Germany.

Abstract

A Toothy Problem Large mammalian herbivores such as horses and bison are well known to possess a complex, grinding dentition that facilitates processing of their tough, cellulose-rich plant diet. Hadrosaurid, or duck-billed, dinosaurs also possessed complex teeth, but how this was achieved has been unknown because reptiles typically possess simple teeth. Erickson et al. (p. 98 ) show how Hadrosaurs evolved teeth composed of six tissues, which allowed for the development of tooth complexity rivaling, or exceeding, that of modern herbivorous mammals.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference39 articles.

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