Baltisphaeridium |
Baltisphaeridium visbyense
|
Sweden |
Early Llandoverian |
|
Baltisphaeridium |
Baltisphaeridium visbyense
|
Sweden |
Late Ludlovian |
|
Baltisphaeridium |
Baltisphaeridium visbyense
|
Sweden |
Wenlockian |
|
Baltisphaeridium |
Baltisphaeridium visbyense
|
Canada(Nova Scotia) |
Late Ludlovian |
|
Comasphaeridium |
Comasphaeridium williereae
|
Belgium |
Tarannon |
|
Comasphaeridium |
Comasphaeridium williereae
|
Georgia |
Tarannon |
|
Comasphaeridium |
Comasphaeridium williereae
|
Alabama |
Tarannon |
|
Comasphaeridium |
Comasphaeridium williereae
|
Spain |
Ludlovian |
Early Gedinnian |
Comasphaeridium |
Comasphaeridium williereae
|
Belgium |
Late Llandoverian |
Late Wenlockian |
Comasphaeridium |
Comasphaeridium williereae
|
Pennsylvania |
Late Llandoverian |
|
Comasphaeridium |
Comasphaeridium williereae
|
Spain |
Middle Gothlandian |
Late Gothlandian |
Comasphaeridium |
Comasphaeridium williereae
|
Libya |
Middle Gothlandian |
|
Dactylofusa |
Dactylofusa maranhensis
|
Brazil |
Early Gothlandian |
|
Dactylofusa |
Dactylofusa maranhensis
|
Florida |
Middle Gothlandian |
|
Dactylofusa |
Dactylofusa neahgae
sp. nov. |
New York |
Early Tarannon |
|
Dactylofusa |
Dactylofusa neahgae
sp. nov. |
Canada(Ontario) |
Early Tarannon |
|
Dactylofusa |
Dactylofusa oblancae
sp. nov. |
Spain |
Ludlovian |
|