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Excalibosaurus costini

Time
192.9–199.5 million years ago
Period
Unknown
Known sites
2
Excalibosaurus costini (dark fossil at rear), Lyme Regis, England, Early Jurassic - Royal Ontario Museum - DSC09979
Daderot — CC0-1.0 — File:Excalibosaurus_costini_(dark_fossil_at_rear),_Lyme_Regis,_England,_Early_Jurassic_-_Royal_Ontario_Museum_-_DSC09979.JPG

Summary

Excalibosaurus is a monotypic genus of marine prehistoric reptiles (ichthyosaurs) that lived during the Sinemurian stage 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-quarters the length of the upper jaw, giving the animal a swordfish-like look. The only known species is Excalibosaurus costini.

Source: Wikipedia - Excalibosaurus

Known Sites

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