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Dinosaurs · K-12

Prehistoric Marine and Flying Reptiles

Prehistoric marine and flying reptiles such as plesiosaurs and pterosaurs, distinct from true dinosaurs, matched with one identifying feature each.

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What are plesiosaurs best known for?
Long necks with four flippers for swimming
What distinctive feature did mosasaurs have?
Large, powerful teeth that were continuously replaced
How did ichthyosaurs move through water?
Using a vertical tail fin like modern dolphins
What type of wings did pterosaurs have?
Membrane wings stretched between elongated finger bones
What is an elasmosaur?
A long-necked plesiosaur with over 70 neck vertebrae
What is a kronosaurus?
A short-necked, large-headed plesiosaur called a pliosaur
What is quetzalcoatlus known for?
Being the largest known flying animal ever
What distinctive feature did pteranodon have?
A large head crest and no teeth
What is dimorphodon known for?
Having a disproportionately large head with sharp teeth
What is tylosaurus?
The largest known mosasaur
Where did ichthyosaurs live?
Entirely in the ocean, never on land
What did plesiosaurs eat?
Fish and other marine animals
Why could pterosaurs fly despite their size?
They had hollow bones like modern birds
What is a nothosaur?
An early marine reptile with four paddle-like limbs
How did tanystropheids distinguish themselves?
With extremely long necks relative to body size

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