Perotrilites |
Perotrilites conatus
|
USA |
Givetian |
Frasnian |
Ancyrospora |
Ancyrospora langii
|
USA |
Givetian |
Frasnian |
Archaeozonotriletes |
Archaeozonotriletes variabilis
|
USA |
Givetian |
Early Tournaisian |
Aneurospora |
Aneurospora greggsii
|
USA |
Givetian |
Early Tournaisian |
Archaeoperisaccus |
Archaeoperisaccus ovalis
|
USA |
Frasnian |
|
Grandispora |
Grandispora gracilis
|
USA |
Frasnian |
Early Tournaisian |
Hystricosporites |
Hystricosporites multifurcatus
|
USA |
Famennian |
|
Cornispora |
Cornispora varicornata
|
USA |
Famennian |
|
Lophozonotriletes |
Lophozonotriletes cristifer
|
USA |
Famennian |
Early Tournaisian |
Cornispora |
Cornispora monocornata
|
USA |
Famennian |
Early Tournaisian |
Grandispora |
Grandispora cornuta
|
USA |
Famennian |
Early Tournaisian |
Archaeozonotriletes |
Archaeozonotriletes famenensis
|
USA |
Famennian |
Early Tournaisian |
Auroraspora |
Auroraspora hyalina
|
USA |
Famennian |
Early Tournaisian |
Rugospora |
Rugospora flexuosa
|
USA |
Famennian |
Early Tournaisian |
Verrucosisporites |
Verrucosisporites nitidus
|
USA |
Famennian |
Early Tournaisian |
Retispora |
Retispora lepidophyta
|
USA |
Famennian |
Early Tournaisian |
Vallatisporites |
Vallatisporites pusillites
|
USA |
Famennian |
Early Tournaisian |