| original |
Middle Eocene |
|
Tennessee |
Sheffy,M.V. et al. Morphology and taxonomy of fungal spores. |
1971 |
| details |
Maastrichtian |
|
North Dakota |
Bergad,R.D. Palynology of the Hell Creek Formation (Maastrichtian) in South-Central North Dakota. |
1974 |
| details |
Tertiary |
|
Idaho |
Sherwood,M.A. Preliminary checklist of the fungi of the Clarkia Flora, Unit 2, P-33. (In: Late Cenozoic history of the Pacific Northwest, interdisciplinary studies on the Clarkia fossil beds of Northern Idaho. C.J.Smiley, editor) |
1985 |
| details |
Middle Eocene |
|
Tennessee |
Kalgutkar,R.M. et al. Synopsis of fossil fungal spores, mycella and fructifications. |
2000 |