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Grisellatheca : ウィキペディア英語版 | Grisellatheca
''Grisellatheca'' was a genus of land plant with branching axes. It is known from charcoalified Early Devonian deposits, its type locality being the Brown Clee Hill lagerstatten. Its ''Terahedraletes'' spores form permanent tetrads. Its internal anatomy comprises banded tubes, but it lacked an external cuticle. It shows some liverwort characters, and is hesitantly assigned to this group. == 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「Grisellatheca」の詳細全文を読む
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