Grandispora |
Grandispora douglastownense
|
North America |
Late Emsian |
Early Eifelian |
Dibolisporites |
Dibolisporites eifeliensis
|
North America |
Emsian |
Eifelian |
Acinosporites |
Acinosporites lindlarensis
|
North America |
Late Emsian |
Early Givetian |
Apiculatisporis |
Apiculatisporis microconus
|
North America |
Late Emsian |
Early Givetian |
Apiculiretusispora |
Apiculiretusispora plicata
|
North America |
Siegenian |
Givetian |
Retusotriletes |
Retusotriletes distinctus
|
North America |
Emsian |
Early Frasnian |
Densosporites |
Densosporites devonicus
|
North America |
Eifelian |
Frasnian |
Ancyrospora |
Ancyrospora ancyrea
|
North America |
Eifelian |
Frasnian |
Grandispora |
Grandispora velata
|
North America |
Emsian |
Frasnian |
Brochotriletes |
Brochotriletes foveolatus
|
North America |
Siegenian |
Emsian |
Emphanisporites |
Emphanisporites micrornatus
|
North America |
Gedinnian |
Emsian |
Grandispora |
Grandispora naumovii
|
North America |
Eifelian |
Givetian |
Dibolisporites |
Dibolisporites echinaceus
|
North America |
Late Emsian |
Early Frasnian |
Corystisporites |
Corystisporites multispinosus
|
North America |
Early Eifelian |
|
Grandispora |
Grandispora macrotuberculata
|
North America |
Late Emsian |
Early Givetian |
Verruciretusispora |
Verruciretusispora multituberculata
|
North America |
Late Emsian |
Givetian |
Retusotriletes |
Retusotriletes rugulatus
|
North America |
Late Eifelian |
Givetian |