Definitions

from the GNU version of the Collaborative International Dictionary of English

  • n. An extinct genus of marine reptiles allied to Plesiosaurus, but having a much shorter neck.

from The Century Dictionary and Cyclopedia

  • n. A genus of plesiosaurs from the Middle and Upper O├Âlite, having the head large and the neck comparatively short. Also Pleiosaurus.

Etymologies

Sorry, no etymologies found.

Examples

  • Natural History Museum in Oslo, Norway has announced the discovery of one of the largest dinosaur-era marine reptiles ever found - an enormous sea predator known as a pliosaurus estimated to be almost 15 meters (50 feet) feet long.

    Pliosaurus

  • Land reptiles abounded, including species of the pterodactyle of the preceding age -- tortoises, trionyces, crocodilians -- and the pliosaurus, a creature which appears to have formed a link between the plesiosaurus and the crocodile.

    Vestiges of the Natural History of Creation

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