| original |
Cenomanian |
|
Czechoslovakia |
Thiergart,F. On some spores and pollen of the Perutzer Schichten (Bohemia). |
1953 |
| details |
Cenomanian |
|
Germany |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
Middle Eocene |
|
W.Germany(Hesse) |
Krutzsch,W. Micropaleontologic (spore paleontology), investigation of the Brown Coal of the Geiseltal. |
1959 |
| details |
Nd |
|
Germany |
Bolkhovitina,N.A. Fossil and contemporaneous spores of the Family Schizaeaceae. |
1961 |
| details |
Cenomanian |
|
Czechoslovakia |
Davies,E.H. The Anemiacean, Schizaeacean and related spores. An index to genera and species. |
1985 |