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There are 9 twelve-letter words ending with OSAUR

allokotosauranthracosaurbranchiosaurdaspletosaureupelycosaurpsittacosaurthalattosaurthescelosaurtrilophosaur

9 definitions found

  • allokotosaur — n. An extinct reptile of the clade †Allokotosauria.
  • anthracosaur — n. A member of the extinct genus Anthracosaurus of embolomeres.
  • branchiosaur — n. Any prehistoric amphibian of the genus Branchiosaurus.
  • daspletosaur — n. (Paleontology) Any dinosaur in the genus Daspletosaurus.
  • eupelycosaur — n. (Zoology) Any synapsid of the clade Eupelycosauria.
  • psittacosaur — n. Any dinosaur of the family Psittacosauridae; a psittacosaurus.
  • thalattosaur — n. A prehistoric marine reptile of the extinct order Thalattosauria.
  • thescelosaur — n. Any dinosaur of the subfamily Thescelosaurinae.
  • trilophosaur — n. An allokotosaur of the order †Trilophosauria.
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