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marine dinosaur, 1830, from Latin Mosa "the river Meuse" + -saurus. the fossils of the ancient reptile were first discovered 1780 near Maastricht, on the Meuse.

Online Etymology Dictionary, © 2010 Douglas Harper
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Historical Examples
  • In size, the vertebr of this enormous sea-serpent exceed those of mosasaurus brumbyi.

    Extinct Monsters H. N. Hutchinson
  • mosasaurus princeps is computed to have been seventy-five to eighty feet long.

    Extinct Monsters H. N. Hutchinson
  • In the sea swims the mosasaurus; Molluscs, Zoophytes, and other animals peculiar to the period are seen on the shore.

  • One great marine form, however, the mosasaurus, was added to their number.

    Omphalos Philip Henry Gosse
  • The teeth are quite reptilian, being not unlike miniature teeth of mosasaurus.

    Dragons of the Air H. G. Seeley
  • This suborder includes mosasaurus and its allies, a group of enormous extinct marine reptiles found in beds of Cretaceous age.

    The Vertebrate Skeleton Sidney H. Reynolds
  • In respect to the Crocodiles, the mosasaurus resembles them in so far as they all belong to the same class of Reptiles.

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