- Author:
- Frederiksen,N.O.
- Year:
- 1961
- Title:
- Sporomorphs of the Brookville Seam near Brookville, Pennsylvania.
- Reference:
- Frederiksen,N.O. (1961) Sporomorphs of the Brookville Seam near Brookville, Pennsylvania. MSc Thesis, Pennsylvania State University P. 1- 273
- Google Academy:
- try to search by title in english
| Genus | Species | Country(Region) | From | To |
|---|---|---|---|---|
| Verrucososporites | Verrucososporites obscurus sp. nov. | Pennsylvania | Allegheny | |
| Laevigatosporites | Laevigatosporites obscurus sp. nov. | Pennsylvania | Allegheny | |
| Speciososporites | Speciososporites obscurus sp. nov. | Pennsylvania | Allegheny | |
| Endosporites | Endosporites plicatus sp. nov. | Pennsylvania | Allegheny |