Study

Aquatic Dinosaurs

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  • Anything that swam too close would get ____________ by this scary __________ fish!
    snatched up / giant
  • Tylosaurus could grow to be as long as a ____________, making it one of the _______ marine repitles.
    school bus, largest
  • The Shonisaurus was a _____________ ocean reptile that lived about 200 million years ago during the ____________..
    gigantic / Triassic period
  • They have found 2 fossils of the Pistosaurus in ______. We don't have as many ________ of the Pistosaurus as we do of plesiosaurs.
    Europe/fossils
  • It would swing its ______ around to hit and _______ the prey with the ______.
    nose, stick, spikes
  • Scientists have found _____________ in Thalassomedon's stomach. These stones may have helped it _________ its food.
    stones / digest
  • Fossils have been found in places like ....
    France, Czech Republic, England and Bulgaria
  • The Dunkleosteus lived in the ancient seas of Cleveland shale in Northern _________ many millions of years ago during the Late Devonian ______________.
    Ohio / time period
  • The Aigialosaurus was a marine reptile that lived around ...
    85 million years ago during the late Cretaceous period
  • With powerful jaws and sharp _________, it could catch and devour large prey ____________..
    teeth, effortlessly
  • Mosasaurus was a massive ______________ reptile, ruling the _____________ seas as a fearsome predator.
    aquatic, ancient
  • It was a _______________marine reptile, growing up to around 1.5 meters long.
    medium sized
  • Where did the Onchopristis live?
    It lived mostly in North Africa during the Cretaceous period
  • It swam __________ in the seas, preying on fish, squids, and other __________________.
    swiftly, marine creatures
  • It had a very long neck made of _____________! It was about 13 meters long from _______________..
    62 bones / head to tail
  • It was better at swimming ________________ than ________________, and it might have been _____________.
    up and down / side to side / slow swimmer.
  • The babies came out tail first so they didn't ____________ underwater.
    drown
  • It lived over 200 million years ago during the early _________________.
    Jurassic period.
  • The Pistosaurus lived during the Triassic time period. That was between _____________ million years ago!
    200 and 250
  • It had a long snout filled with ....
    sharp teeth and lived in the oceans near what is now Europe.
  • It was about _________ long. The Pistosaurus looked a little bit like a plesiosaur, but it was not _____________..
    3 meters/exactly the same
  • It used its strong tail to _________ itself through the water with great speed and ______.
    propel, agility
  • making it one of the _________________ dinosaurs.
    longest-necked
  • It had a keen sense of _______ and remarkable hunting ____________ in the ancient seas.
    smell, abilities
  • Onchopristis was more like a_______ than a _______.
    ray, shark
  • Baby Shonisauruses had teeth, but as they grew bigger they _____________________.
    lost their teeth
  • It had a _______________ and lots of sharp teeth to catch fish and squid to eat.
    pointy snout
  • What do you call the Onchopristis's nose?
    rosturm
  • It had a big head that was covered in super hard, _______________ all over
    bony plates
  • Thalassomedon lived in a sea called the Western Interior ____________ that ____________ North America in two.
    Seaway / divided