Fossil-bivalve.jpg
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Fossil bivalve, Geology of Chubut Province, Unidentified Bivalvia fossils
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Fossil bivalve, Fossil bivalve impression from the Paleogene of Chubut, Argentina
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二枚貝化石、チュブト州の地質、身元不明の二枚貝化石
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アルゼンチン、チュブトの古第三紀の化石2バルブの印象
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bivalve fossilization fossilized fossiliferous resent fossil lamellibranch bivalvia