Last Updated：2025/11/29
Sentence
堆積層で化石化した二枚甲殻類が発見され、数百万年前の淡水生態系についての手がかりを提供しました。
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A fossilized conchostracan was discovered in the sedimentary layer, providing clues about freshwater ecosystems millions of years ago.
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A fossilized conchostracan was discovered in the sedimentary layer, providing clues about freshwater ecosystems millions of years ago.
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conchostracan
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