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meaning: "Excalibur lizard"
Named By: McGowan in 1986
Time Period: Early Jurassic, 196.5-189.6 Ma[1]
Location: England
Size: 7 meters long, skull from the back to the tip of the snout is 1.54 meters long
Diet: Piscivore
Fossil(s): Two specimens, one of which is almost complete
Classification: | Chordata | Reptilia | Ichthyosauria | Eurhinosauria | Leptopterygiidae |

Excalibosaurus (meaning "Excalibur's lizard") is a monotypic genus of marine prehistoric fish-like reptiles (ichthyosaurs) that lived during the Sinemurian stage (approximately 196.5 +- 2 Ma to 189.6 +- 1.5 Ma (million years ago)) of the Early Jurassic period in what is now England. It is characterized by the extreme elongation of the rostrum, with the lower jaw about three fourth of the length of the upper jaw, giving the animal a swordfish-like look. The only known species is Excalibosaurus costini.

Read more about Excalibosaurus at Wikipedia
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