- Author:
- Gensel,P.G.;Andrews,H.N.;Forbes,W.H.
- Year:
- 1975
- Title:
- A new species of Sawdonia with notes on the origin of microphylls and lateral sporangia.
- Reference:
- Gensel,P.G. et al. (1975) A new species of Sawdonia with notes on the origin of microphylls and lateral sporangia. Botanical Gazette Vol. 136 # 1 P. 50- 62
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Sawdonia | Sawdonia acanthotheca sp. nov. | Canada(New Brunswick) | Middle Devonian | |
| Spore | Spore sp | Canada(New Brunswick) | Middle Devonian |