| details |
Nd |
|
Ohio |
Dawson,J.W. On spore-Cases in Coals. |
1871 |
| original |
Late Carboniferous |
|
Illinois |
Sellards,E.H. On the fertile Fronds of Crossotheca and Myriotheca, and on the spores of other Carboniferous ferns, from Mazon Creek, Illinois |
1902 |
| original |
Late Carboniferous |
|
Illinois |
Sellards,E.H. On the fertile Fronds of Crossotheca and Myriotheca, and on the spores of other Carboniferous ferns, from Mazon Creek, Illinois |
1902 |
| original |
Late Carboniferous |
|
Illinois |
Sellards,E.H. On the fertile Fronds of Crossotheca and Myriotheca, and on the spores of other Carboniferous ferns, from Mazon Creek, Illinois |
1902 |
| original |
Late Carboniferous |
|
Illinois |
Sellards,E.H. On the fertile Fronds of Crossotheca and Myriotheca, and on the spores of other Carboniferous ferns, from Mazon Creek, Illinois |
1902 |
| original |
Late Carboniferous |
|
Illinois |
Sellards,E.H. On the fertile Fronds of Crossotheca and Myriotheca, and on the spores of other Carboniferous ferns, from Mazon Creek, Illinois |
1902 |
| details |
Pennsylvanian |
|
Illinois |
Sellards,E.H. Codonotheca, a new type of spore-bearing organ from the Coal Measures. |
1903 |
| details |
Pennsylvanian |
|
Illinois |
Sellards,E.H. Notes on the spore-bearing organ Codonotheca and its relationship with the Cycadofilices |
1907 |
| details |
Pennsylvanian |
|
Illinois |
Sellards,E.H. Notes on the spore-bearing organ Codonotheca and its relationship with the Cycadofilices |
1907 |
| details |
Rhaetian |
|
Sweden |
Nathorst,A.G. Antholithus zeilleri, n.sp., with pollen grains in the Rhaetian Layers of Schonen. 6 |
1908 |
| details |
Rhaetian |
|
Sweden |
Nathorst,A.G. Antholithus zeilleri, n.sp., with pollen grains in the Rhaetian Layers of Schonen. 6 |
1908 |
| details |
Rhaetian |
|
Sweden |
Nathorst,A.G. Antholithus zeilleri, n.sp., with pollen grains in the Rhaetian Layers of Schonen. 6 |
1908 |
| details |
Rhaetian |
|
Sweden |
Nathorst,A.G. Antholithus zeilleri, n.sp., with pollen grains in the Rhaetian Layers of Schonen. 6 |
1908 |
| details |
Rhaetian |
|
Sweden |
Nathorst,A.G. Antholithus zeilleri, n.sp., with pollen grains in the Rhaetian Layers of Schonen. 6 |
1908 |
| details |
Rhaetian |
|
Sweden |
Nathorst,A.G. Antholithus zeilleri, n.sp., with pollen grains in the Rhaetian Layers of Schonen. 6 |
1908 |
| details |
Rhaetian |
|
Sweden |
Nathorst,A.G. Antholithus zeilleri, n.sp., with pollen grains in the Rhaetian Layers of Schonen. 6 |
1908 |
| details |
Rhaetian |
|
Sweden |
Nathorst,A.G. Antholithus zeilleri, n.sp., with pollen grains in the Rhaetian Layers of Schonen. 6 |
1908 |