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Anagiri, Agano, Hanno city, Saitama pref., Japan

Late Carboniferous-Permian, Paleozoic (280 Ma)


Width: 10 mm. Fossil of fusulinid etched out on the weathered surface of the limestone. Recovered from the Late Carboniferous to Permian limestone the Middle Jurassic (175 Ma) Sumaizuku unit, a member of the Northern Chichibu accretionary complex.


Width: 10mm. Polished surface of the above specimen. Internal structures of fusulinid are very clear.

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