Protognathosaurus
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Extinct (fossil)
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| Protognathosaurus oxyodon Olshevsky, 1991 |
Protognathosaurus (meaning "early jaw lizard") was a genus of dinosaur from the Middle Jurassic. It was a sauropod found in what is present-day China. The type species, P. oxyodon, was originally described by Zhang 1988 (as Protognathus), and was redescribed by George Olshevsky in 1991. Protognathosaurus is known only from a fragmentary jaw.
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