Biharisporites |
Biharisporites sp
|
Maryland |
Middle Frasnian |
Late Frasnian |
Brochotriletes |
Brochotriletes sp
|
Maryland |
Middle Frasnian |
Late Frasnian |
Calamospora |
Calamospora atava
|
Maryland |
Middle Frasnian |
Late Frasnian |
Calamospora |
Calamospora atava
|
West Virginia |
Middle Frasnian |
Late Frasnian |
Calamospora |
Calamospora atava
|
Virginia |
Middle Frasnian |
Late Frasnian |
Calamospora |
Calamospora nigrata
|
Maryland |
Middle Frasnian |
Late Frasnian |
Convolutispora |
Convolutispora subtilis
|
Maryland |
Middle Frasnian |
Late Frasnian |
Diaphanospora |
Diaphanospora reticulata
|
Maryland |
Middle Frasnian |
Late Frasnian |
Diaphanospora |
Diaphanospora reticulata
|
West Virginia |
Middle Frasnian |
Late Frasnian |
Diaphanospora |
Diaphanospora reticulata
|
Virginia |
Middle Frasnian |
Late Frasnian |
Dibolisporites |
Dibolisporites atratus
|
Maryland |
Middle Frasnian |
Late Frasnian |
Dibolisporites |
Dibolisporites pullus
|
Maryland |
Middle Frasnian |
Late Frasnian |
Dictyotriletes |
Dictyotriletes sp
|
Maryland |
Middle Frasnian |
Late Frasnian |
Duvernaysphaera |
Duvernaysphaera sp
|
Maryland |
Middle Frasnian |
Late Frasnian |
Emphanisporites |
Emphanisporites annulatus
|
Maryland |
Middle Frasnian |
Late Frasnian |
Emphanisporites |
Emphanisporites annulatus
|
Virginia |
Middle Frasnian |
Late Frasnian |
Emphanisporites |
Emphanisporites rotatus
|
Maryland |
Middle Frasnian |
Late Frasnian |