Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of several plesiosaurs, of the family Pliosauridae, from the Jurassic and Cretaceous periods

from The Century Dictionary and Cyclopedia

  • n. An individual of the germs Pliosaurus, which comprises gigantic plesiosaurs with large head, short nock, elongated mandibular symphysis, jaws provided with powerful carinated teeth sometimes 25 centimeters long, and with limb-girdles similar to those of Plesiosaurus. The genus occurs in rocks from the Lias to the Upper Jura. in Europe and India.

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