| Fossil range | Pragian |
|---|---|
| Display parents | 2 |
| Genus | Polythecophyton |
| Parent authority | S.-G. Hao, P.G. Gensel & D.-M. Wang (2001) |
| Species | demissum |
| Authority | S.-G. Hao, P.G. Gensel & D.-M. Wang (2001) |
Polythecophyton was a genus of Early Devonian () 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
- ^ 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