頂囊蕨

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頂囊蕨
化石時期: 志留紀中期[2]泥盆紀早期[1]
A cartoon of Cooksonia, reconstructed with non-photosynthetic axes, dependent on its gametophyte, as per Boyce (2008)
A cartoon of Cooksonia, reconstructed with non-photosynthetic axes, dependent on its gametophyte, as per Boyce (2008)
科學分類
界: 植物界
亞界: 有胚植物 Embryophyta
總門: Polysporangiomorpha
門: 地位未定
屬: 頂囊蕨屬 Cooksonia
種: C. pertoni

C. hemisphaerica
C. cambrensis
C. caledonica
C. paranensis
C. banksii
C. bohemica[1]

頂囊蕨Cooksonia)是一種已滅絕的原始有胚植物,也是最早期的有胚植物之一,最早出現在古生代志留紀

構造[编辑]

分類[编辑]

參考資料[编辑]

  1. ^ 1.0 1.1 C. Kevin Boyce. How green was Cooksonia? The importance of size in understanding the early evolution of physiology in the vascular plant lineage. Paleobiology. 2008, 34 (2): 179-194. doi:10.1666/0094-8373(2008)034[0179:HGWCTI]2.0.CO;2. 
  2. ^ D. Edwards. Records of Cooksonia-type sporangia from late Wenlock strata in Ireland. Nature. 1980, 287: 41-42. doi:10.1038/287041a0.