- Author:
- Pettitt,J.M.
- Year:
- 1969
- Title:
- Pteridophytic features in some Lower Carboniferous seed megaspores.
- Reference:
- Pettitt,J.M. (1969) Pteridophytic features in some Lower Carboniferous seed megaspores. Botanical Journal of the Linnean Society Vol. 62 # 2 P. 233- 239
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Cardiocarpus | Cardiocarpus bicaudatus | Scotland(Berwick) | Early Carboniferous | |
| Marsilea | Marsilea drummondii | Scotland(Berwick) | Early Carboniferous |