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宮城県仙台市の竜の口層(下部鮮新統)より産出したアシカ上科動物化石について
Fossil of Otarioidea from the Tatsunokuchi formation (Lower Pliocene) of Sendai City, Miyagi Prefecture
1987
Earth Science (Chikyu Kagaku)
Fossil of Otarioidea from the Tatsunokuchi formation (Lower Pliocene) of Sendai City, Miyagi Prefecture