- Author:
- Florin,R.
- Year:
- 1937
- Title:
- On the morphology of the pollen grains in some Palaeozoic Pteridosperms.
- Reference:
- Florin,R. (1937) On the morphology of the pollen grains in some Palaeozoic Pteridosperms. Svensk Botanisk Tidskrift Vol. 31 P. 305- 338
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Whittleseya | Whittleseya elegans | Ohio | Late Pottsville | |
| Spore | Spore sp | Ohio | Early Pennsylvanian | Middle Pennsylvanian |
| Schuetzia | Schuetzia bennieana | Scotland | Nd | |
| Spore | Spore sp | Scotland | Westphalian | |
| Sphaerostoma | Sphaerostoma ovale | Scotland(Fife) | Nd | |
| Heterotheca | Heterotheca grievii | Scotland(Fife) | Nd | |
| Aulacotheca | Aulacotheca elongata | Scotland(Lanark) | Westphalian | |
| Goldenbergia | Goldenbergia glomerata | W.Germany(Saarland) | Westphalian | |
| Zeilleria | Zeilleria nathorstii | W.Germany(Saarland) | Westphalian | |
| Potoniea | Potoniea adiantiformis | W.Germany(Saarland) | Westphalian |