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Thesaurus: rhynchocephala

An order of reptiles having biconcave vertebrae, immovable quadrate bones, and many other peculiar osteological characters. Hatteria is the only living genus, but numerous fossil genera are known, some of which are among…

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Definitions

  1. n. pl. An order of reptiles having biconcave vertebrae, immovable quadrate bones, and many other peculiar osteological characters. Hatteria is the only living genus, but numerous fossil genera are known, some of which are among the earliest of reptiles. See Hatteria. Called also Rhynchocephalia.
  2. An order of reptiles having biconcave vertebræ, immovable quadrate bones, and many other peculiar osteological characters. Hatteria is the only living genus, but numerous fossil genera are known, some of which are among the earliest of reptiles. See Hatteria. Called also Rhynchocephalia.
  3. An order of reptiles having biconcave vertebræ, immovablequadrate bones, and many other peculiar osteological characters.Hatteria is the only living genus, but numerous fossil genera areknown, some of which are among the earliest of reptiles. SeeHatteria. Called also Rhynchocephalia.