Ehiro, M; Araki, H. (1997). Permian cephalopodes of Kurosawa, Kesennuma City in the Southern Kitakami Massif, Northeast Japan. Paleontological Research, 1 (1), 55-66
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Ehiro, M; Araki, H
1997
Permian cephalopodes of Kurosawa, Kesennuma City in the Southern Kitakami Massif, Northeast Japan