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Lived during the Late Cretaceous Period

  • Lived in oceans all around the world
  • Was about as long as a modern North Pacific right whale
  • Weighed as much much as a modern Sperm whale
  • Ate fish, shellfish and squids.
  • Mosasaurus is an aquatic lizard which lived approximately 70 million to 65 million years ago during the Late Cretaceous Period. It was first discovered during the mid-18th century in Maastricht, Netherlands and eventually collected by Jean-Baptiste Drouin. However, that fossil was incomplete and consisted of only the skull of the animal. More fossils would turn up from the 1770s through the 1820s. In 1829, Gideon Mantell named it Mosasaurus – a name which means “Meuse lizard” in Greek.