Cenozoic Brittle Stars(Ophiuroidea) from the Hagjeon Formation and the Duho Formation,Pohang Basin,K

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About 40 specimens of fossil ophiuroids were collected from two formations of the Cenozoic marine deposits,Duho Formation and Hagjeon Formation, Pohang Basin,Korea.A few specimens were three-dimensionally preserved:most of them were remained flattened
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