最終更新日：2024/07/28
(geology) Of a geologic epoch within the Permian period from about 270 to 260 million years ago; marked by the presence of gymnosperms.
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Guadalupian
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元となった辞書の項目
(geology) Of a geologic epoch within the Permian period from about 270 to 260 million years ago; marked by the presence of gymnosperms.
Guadalupian
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