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Isogramma paotechowensis (GRABAU et CHAO) 日本の二畳紀層に産す
263. ISOGRAMMA PAOTECHOWENSIS (GRABAU ET CHAO) FROM THE PERMIAN OF JAPAN
1955
Transactions and Proceedings of the Palaeontological Society of Japan
263. ISOGRAMMA PAOTECHOWENSIS (GRABAU ET CHAO) FROM THE PERMIAN OF JAPAN
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