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Limb-Bone Scaling Indicates Diverse Stance and Gait in Quadrupedal Ornithischian Dinosaurs

BACKGROUND: The most primitive ornithischian dinosaurs were small bipeds, but quadrupedality evolved three times independently in the clade. The transition to quadrupedality from bipedal ancestors is rare in the history of terrestrial vertebrate evolution, and extant analogues do not exist. Constrai...

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Detalles Bibliográficos
Autores principales: Maidment, Susannah C. R., Linton, Deborah H., Upchurch, Paul, Barrett, Paul M.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Public Library of Science 2012
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3358279/
https://www.ncbi.nlm.nih.gov/pubmed/22666333
http://dx.doi.org/10.1371/journal.pone.0036904