Exochoderma |
Exochoderma arca
|
Ohio |
Givetian |
|
Exochoderma |
Exochoderma asketa
|
Indiana |
Late Frasnian |
Early Famennian |
Exochoderma |
Exochoderma irregularis
|
Ohio |
Middle Famennian |
Late Famennian |
Exochoderma |
Exochoderma ramibrachia
|
Ohio |
Middle Famennian |
Late Famennian |
Exochoderma |
Exochoderma triangulata
|
Ohio |
Givetian |
|
Fimbriaglomerella |
Fimbriaglomerella divisa
|
Oklahoma |
Late Gedinnian |
|
Goniolopadion |
Goniolopadion prolixum
|
Canada(Ontario) |
Early Givetian |
Middle Givetian |
Gorgonisphaeridium |
Gorgonisphaeridium absitum
|
Indiana |
Late Frasnian |
Early Famennian |
Gorgonisphaeridium |
Gorgonisphaeridium absitum
|
Ohio |
Middle Famennian |
Late Famennian |
Gorgonisphaeridium |
Gorgonisphaeridium amplum
|
Indiana |
Late Frasnian |
Early Famennian |
Gorgonisphaeridium |
Gorgonisphaeridium cumulatum
|
Canada(Ontario) |
Late Siegenian |
Early Eifelian |
Gorgonisphaeridium |
Gorgonisphaeridium cumulatum
|
Canada(Ontario) |
Early Givetian |
Middle Givetian |
Gorgonisphaeridium |
Gorgonisphaeridium disparatum
|
Canada(Ontario) |
Late Siegenian |
Early Emsian |
Gorgonisphaeridium |
Gorgonisphaeridium elongatum
|
Indiana |
Late Frasnian |
Early Famennian |
Gorgonisphaeridium |
Gorgonisphaeridium elongatum
|
Ohio |
Middle Famennian |
Late Famennian |
Gorgonisphaeridium |
Gorgonisphaeridium evexispinosum
|
Ohio |
Middle Famennian |
Late Famennian |
Gorgonisphaeridium |
Gorgonisphaeridium evexispinosum
|
Canada(Alberta) |
Late Famennian |
Mississippian |