| details |
Late Devonian |
|
Pennsylvania |
Arnold,C.A. Observations on fossil plants from the Devonian of eastern North America. IV. Plant remains from the Catskill Delta deposits of northern Pennsylvania and Southern New York. |
1939 |
| details |
Late Devonian |
|
Pennsylvania |
Arnold,C.A. The spores of Archaeopteris, with remarks on the affinites of the genus. |
1950 |
| details |
Nd |
|
Nd |
Potonie,R. Position of the Paleozoic spore genera in the natural system. |
1954 |
| details |
Paleozoic |
|
Nd |
Potonie,R. The spores of Palaeozoic plants in the natural (Morphologic) system |
1954 |
| details |
Pennsylvanian |
|
Pennsylvania |
Potonie,R. Synopsis of the Sporae in situ. |
1962 |
| details |
Late Devonian |
|
New York |
Potonie,R. Synopsis of the Sporae in situ. |
1962 |
| details |
Late Devonian |
|
Pennsylvania |
Pettitt,J.M. Two Heterosporous plants from the Upper Devonian of North America |
1965 |
| details |
Late Devonian |
|
Pennsylvania |
Andrews,H.N. Evolutionary trends in early vascular plants. |
1979 |
| details |
Devonian |
|
Nd |
Gensel,P.G. Devonian in situ, spores: A survey and discussion. |
1980 |
| details |
Late Devonian |
|
Nd |
Allen,K.C. A review of in situ, Late Silurian and Devonian spores. |
1980 |
| details |
Devonian |
|
USA |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |
| details |
Nd |
|
Nd |
Edwards,D. et al. In situ, pollen and spores in plant evolution. 14A -Review of in situ, spores in early land plants. (Principles and Applications. Applications. J.Jansonius and D.C.McGregor, editors.) |
1996 |