Retispora |
Retispora lepidophyta
|
Ohio |
Early Tournaisian |
|
Retusotriletes |
Retusotriletes distinctus
|
North America |
Emsian |
Early Frasnian |
Retusotriletes |
Retusotriletes distinctus
|
Canada(Ontario) |
Early Devonian |
Late Devonian |
Retusotriletes |
Retusotriletes distinctus
|
North America |
Emsian |
Frasnian |
Retusotriletes |
Retusotriletes distinctus
|
Canada(Ontario) |
Givetian |
Early Frasnian |
Retusotriletes |
Retusotriletes dubiosus
|
Nd |
Nd |
|
Retusotriletes |
Retusotriletes dubius
|
Nd |
Nd |
|
Retusotriletes |
Retusotriletes maculatus
|
North America |
Late Gedinnian |
Emsian |
Retusotriletes |
Retusotriletes maculatus
|
Canada(Ontario) |
Middle Siegenian |
Late Emsian |
Retusotriletes |
Retusotriletes rugulatus
|
North America |
Late Eifelian |
Givetian |
Retusotriletes |
Retusotriletes rugulatus
|
Canada(NWT,Franklin) |
Early Givetian |
Late Frasnian |
Rhabdosporites |
Rhabdosporites langii
|
North America |
Eifelian |
Frasnian |
Rhabdosporites |
Rhabdosporites langii
|
Canada(NWT) |
Early Givetian |
Late Frasnian |
Rugospora |
Rugospora flexuosa
|
North America |
Late Famennian |
Strunian |
Rugospora |
Rugospora flexuosa
|
Ohio |
Early Tournaisian |
|
Samarisporites |
Samarisporites concinnus
|
North America |
Givetian |
|
Samarisporites |
Samarisporites concinnus
|
Canada(NWT) |
Late Eifelian |
Middle Givetian |