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Margaretia
''Margaretia'' is a frondose organism known from the middle Cambrian Burgess shale. Its fronds reached about 10 cm in length and are peppered with a range of length-parallel oval holes. Its original interpretation as a green alga is not secure; it also resembles some alcyonarian corals, but a thorough redescription will be necessary to securely classify it.〔 A relationship with the modern green alga ''Caulerpa'' is the most up-to-date consideration.〔Conway Morris and Robison (1988)〕 == External links ==
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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「Margaretia」の詳細全文を読む
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