Baltisphaeridium |
Baltisphaeridium cariniosum
|
North America |
Early Llandoverian |
Early Gedinnian |
Baltisphaeridium |
Baltisphaeridium cariniosum
|
Europe |
Early Llandoverian |
Early Gedinnian |
Baltisphaeridium |
Baltisphaeridium cariniosum
|
Africa |
Early Llandoverian |
Early Gedinnian |
Baltisphaeridium |
Baltisphaeridium corallinum
|
North America |
Silurian |
|
Baltisphaeridium |
Baltisphaeridium corallinum
|
Europe |
Silurian |
|
Baltisphaeridium |
Baltisphaeridium corallinum
|
Africa |
Silurian |
|
Baltisphaeridium |
Baltisphaeridium digitatum
|
North America |
Silurian |
|
Baltisphaeridium |
Baltisphaeridium digitatum
|
Europe |
Silurian |
|
Baltisphaeridium |
Baltisphaeridium digitatum
|
Africa |
Silurian |
|
Baltisphaeridium |
Baltisphaeridium pilar
|
North America |
Early Llandoverian |
Early Gedinnian |
Baltisphaeridium |
Baltisphaeridium pilar
|
Europe |
Early Llandoverian |
Early Gedinnian |
Baltisphaeridium |
Baltisphaeridium pilar
|
Africa |
Early Llandoverian |
Early Gedinnian |
Dactylofusa |
Dactylofusa
|
Africa |
Nd |
|
Dactylofusa |
Dactylofusa
|
North America |
|
|
Dactylofusa |
Dactylofusa
|
Brazil |
|
|
Deflandrastrum |
Deflandrastrum
|
North America |
Early Llandoverian |
Early Gedinnian |
Deflandrastrum |
Deflandrastrum
|
Europe |
Early Llandoverian |
Early Gedinnian |