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Oldhamia
''Oldhamia'' is an ichnogenus describing burrows produced by worm-like organisms mining underneath microbial mats. It was common from the Early Cambrian deep-water deposits. The Ediacaran species ''Oldhamia recta'' are body fossils of a rod-like organism, rather than ichnofossils. The Ordovician ''Oldhamia pinnata'' and Carboniferous-Permian ''Oldhamia fimbriata'' were mentioned without any ichnotaxonomical formalization, and therefore are ''nomina nuda''. It was named after the British geologist Thomas Oldham. ==See Also== List of Ediacaran genera
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Oldhamia」の詳細全文を読む
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