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出典:Wikipedia
出典:『Wikipedia』 (2009/05/19 03:06 UTC 版)
Pentacosmodon is a mammal genus from the Paleocene of North America, so it lived somewhat after the "age of the dinosaurs". It was a member of the extinct order Multituberculata. It's within the suborder Cimolodonta and family Microcosmodontidae.
pentacosmodon