American Heritage Dictionary
(1)
Century Dictionary
GNU Webster's 1913
WordNet
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Elsewhere on the web
The evolution of the archosaur pelvis and hind-limb: an explanation in functional terms.— ScienceBlogs Channel : Life Science
This is not even a dinosaur, it's an archosaur called Postosuchus.— Texas Oasis
Additional statistical tests showed that both the "early-archosaur" and— Evolution News & Views
These alternatives are the early-archosaur hypothesis, positing a sister-group relationship between— Evolution News & Views

American Heritage Dictionary (1)
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