Английская Википедия:Catenalis

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Catenalis is a genus of extinct plants of the Early Devonian (Pragian, around Шаблон:Period span/brief). Fossils were first found in the Posongchong Formation of eastern Yunnan, China. The leafless stems (axes) bore 10-12 elliptical spore-forming organs or sporangia on side branches. To release their spores, the sporangia split at the opposite end to their attachment to the stem. Its phylogenetic relationship to other land plants is considered uncertain at present.[1]

References

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Шаблон:Devonian-plant-stub

  1. Ошибка цитирования Неверный тег <ref>; для сносок LiEdwards1996 не указан текст