Cynepteris |
Cynepteris lasiophora
|
USA |
Triassic |
|
Delosorus |
Delosorus heterophyllus
|
USA |
Cretaceous |
|
Anemia |
Anemia fremonti
|
USA |
Cretaceous |
|
Anemia |
Anemia poolensis
|
USA |
Cretaceous |
|
Potoniea |
Potoniea illinoiensis
|
USA |
Carboniferous |
|
Crossotheca |
Crossotheca kentuckiensis
|
USA |
Carboniferous |
|
Feraxotheca |
Feraxotheca culcitaus
|
USA |
Carboniferous |
|
Williamsonia |
Williamsonia lignieri
|
USA |
Jurassic |
|
Williamsoniella |
Williamsoniella papillosa
|
USA |
Jurassic |
|
Erdtmanispermum |
Erdtmanispermum balticum
|
USA |
Triassic |
Jurassic |
Cordaianthus |
Cordaianthus schuleri
|
USA |
Carboniferous |
|
Cordaianthus |
Cordaianthus schuleri
|
USA |
Carboniferous |
|
Florinites |
Florinites speirii
|
USA |
Eocene |
Oligocene |
Kewaneesporites |
Kewaneesporites reticuloides
|
USA |
Late Carboniferous |
|
Thymospora |
Thymospora thiessenii
|
USA |
Late Carboniferous |
|
Williamsoniella |
Williamsoniella lignieri
|
USA |
Jurassic |
|
Williamsoniella |
Williamsoniella papillosa
|
USA |
Jurassic |
|