| details |
Late Devonian |
|
Ohio |
Kidston,R. et al. On the presence of tetrads of resistant spores in the tissue of Sporocarpon furcatum Dawson from the Upper Devonian of America. |
1935 |
| details |
Middle Paleozoic |
Late Paleozoic |
Nd |
Darrah,W.C. Spores of Cambrian plants. |
1937 |
| details |
Devonian |
|
Nd |
Kr¤usel,R. Dawson's "sporocarps", a new class of Devonian Thallophytes. |
1941 |
| details |
Late Devonian |
|
Nd |
Potonie,R. The phylogeny of the spore shape in regard to families of fossil plants (except the angiosperms). |
1961 |
| details |
Late Devonian |
|
Ohio |
Potonie,R. Synopsis of the Sporae in situ. |
1962 |
| details |
Devonian |
|
USA |
Balme,B.E. Fossil in situ, spores and pollen grains: An annotated catalogue. |
1995 |