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出典:Wikipedia
出典:『Wikipedia』 (2010/12/12 09:52 UTC 版)
Metriacanthosaurus (meaning "moderately-spined lizard") is a genus of sinraptorid dinosaur from the upper Oxford Clay of England, dating to the mid-Jurassic Period, about 160 million years ago (lower Oxfordian).
Metriacanthosaurus