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Polythecophyton

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Polythecophyton
Temporal range: Pragian
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Euphyllophytes
Genus: Polythecophyton
S.-G. Hao, P.G. Gensel & D.-M. Wang (2001)
Species:
P. demissum
Binomial name
Polythecophyton demissum
S.-G. Hao, P.G. Gensel & D.-M. Wang (2001)

Polythecophyton was a genus of Early Devonian (420 to 390 million years ago) aneurophyte with branching axes, drooping, many-branched sporangia, but no trace of a vascular system.[1] It grew to several centimetres in length, and its axes were almost a centimeter across.[1]

References

[edit]
  1. ^ a b Hao, Shou-Gang (2001). "Polythecophyton demissum, gen. et sp. nov., a new plant from the Lower Devonian (Pragian) of Yunnan, China and its phytogeographic significance". Review of Palaeobotany and Palynology. 116 (1–2): 55–71. doi:10.1016/S0034-6667(01)00062-8.