- 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 |
|---|---|---|---|---|
| Dolerotheca | Dolerotheca fertilis | France | Stephanian | |
| Gnetopsis | Gnetopsis elliptica | France | Stephanian | |
| Aetheotesta | Aetheotesta elliptica | France | Stephanian | |
| Pachytesta | Pachytesta gigantea | France | Stephanian | |
| Zeilleria | Zeilleria avoldensis | France | Stephanian | |
| Codonotheca | Codonotheca caduca | France | Stephanian | |
| Renaultia | Renaultia gracilis | France | Stephanian | |
| Cyclotheca | Cyclotheca biseriata | France | Stephanian | |
| Crossotheca | Crossotheca schatzlarensis | France | Stephanian | |
| Crossotheca | Crossotheca crepini | France | Stephanian | |
| Urnatopteris | Urnatopteris tenella | France | Stephanian | |
| Spore | Spore sp | France | Stephanian | |
| Spore | Spore sp | France | Stephanian | |
| Spore | Spore sp | Germany | Westphalian | |
| Spore | Spore sp | Germany | Westphalian | |
| Crossotheca | Crossotheca sagittata | Illinois | Middle Pennsylvanian | |
| Schuetzia | Schuetzia anomala | Nd | Early Permian |