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Definition of "archosaur" []

  • A reptile of the subclass Archosauria, which includes the dinosaurs, pterosaurs, and the modern crocodilians. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "archosaur" in a sentence
  • "I also read more of the December issue of the Journal of Vertebrate Paleontology — "Comparison and biomechanical interpretations of the vertebrae and osteoderms of Cacops aspidephorus and Dissorophus multicinctus (Temnospondyli; Dissorophoridae)," and "A possible new ctenosauriscid archosaur from the Middle Triassic Manda Beds of Tanzania.""
  • "Pterosaurs are in fact a sister group of crocodilians and dinosaurs (including birds) in the archosaur clade."
  • "And there's been more from the latest Journal of Vertebrate Paleontology, papers on the "rauisuchian" archosaur Batrachotomus kupferzellensis; the ontogeny of Stegosaurus; ontogenetic and taxonomic implications of pattern and transition of surficial bone texture of the centrosaurine frill; and Adeopapposaurus, a new prosauropod dinosaur from Argentina."