Noun archosauria has 1 sense
  1. Archosauria, subclass Archosauria - a large subclass of diapsid reptiles including: crocodiles; alligators; dinosaurs; pterosaurs; plesiosaurs; ichthyosaurs; thecodonts
    --1 is a kind of class
    --1 is a member of Reptilia, class Reptilia
    --1 has members:
     archosaur, archosaurian, archosaurian reptile; Saurosuchus, genus Saurosuchus; Proterochampsa, genus Proterochampsa; Crocodylia, order Crocodylia, Crocodilia, order Crocodilia; Ornithischia, order Ornithischia; Saurischia, order Saurischia; Pterosauria, order Pterosauria; Thecodontia, order Thecodontia; Ichthyosauria, order Ichthyosauria; Sauropterygia, order Sauropterygia
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