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Cambrothyra
''Cambrothyra'' (not to be confused with ''Cambrorhytium'') is a Lower Cambrian coeloscleritophoran from China. The fossils are hollow cones with porous walls that had an originally fibrous aragonitic mineralogy. These conical sclerites were generally not connected to other sclerites; only occasionally are they paired or twinned. The genus comprises the sole species ''C. ampulliformis''.〔 ==References==
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「Cambrothyra」の詳細全文を読む
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