Chapter

Ankylosauria

Matthew K. Vickaryous, Teresa Maryanska and David B. Weishampel

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/9780520242098.003.0020
Ankylosauria

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This chapter focuses on Ankylosauria, a monophyletic clade of quadrupedal herbivorous dinosaurs characterized by the development of parasagittal osteoderms and osseous cranial ornamentation. All twenty-one taxa are clustered into one of two main lineages, Ankylosauridae or Nodosauridae. Fossil remains of ankylosaurs are found both in marine sediments and in nonmarine strata. The distribution of ankylosaur trackways and footprints is nearly global, including Asia, Europe, North America, and South America. Most of the tracks are concentrated in coastal and floodplain deposits, representing wet, well-vegetated habitats.

Keywords: Ankylosauria; herbivorous dinosaurs; Ankylosauridae; Nodosauridae; ankylosaurs

Chapter.  19453 words.  Illustrated.

Subjects: Evolutionary Biology

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