Baltisphaeridium |
Baltisphaeridium dilatispinosum
|
Africa(Sahara) |
Ludlovian |
Early Gedinnian |
Baltisphaeridium |
Baltisphaeridium dilatispinosum
|
Tunisia |
Middle Gothlandian |
Late Gothlandian |
Baltisphaeridium |
Baltisphaeridium dilatispinosum
|
Tennessee |
Ludlovian |
|
Baltisphaeridium |
Baltisphaeridium dilatispinosum
|
Nd |
Late Wenlockian |
Early Gedinnian |
Baltisphaeridium |
Baltisphaeridium echinodermum
|
Spain |
Silurian |
|
Baltisphaeridium |
Baltisphaeridium encantador
sp. nov. |
Ohio |
Nd |
|
Baltisphaeridium |
Baltisphaeridium encantador
sp. nov. |
Kentucky |
Tarannon |
|
Baltisphaeridium |
Baltisphaeridium eoplanktonicum
|
Ohio |
Nd |
|
Baltisphaeridium |
Baltisphaeridium eoplanktonicum
|
Indiana |
Nd |
|
Baltisphaeridium |
Baltisphaeridium eoplanktonicum
|
Ohio |
Nd |
|
Baltisphaeridium |
Baltisphaeridium eoplanktonicum
|
Indiana |
Nd |
|
Baltisphaeridium |
Baltisphaeridium eoplanktonicum
|
Kentucky |
Nd |
|
Baltisphaeridium |
Baltisphaeridium eoplanktonicum
|
Canada(Ontario) |
Wenlockian |
|
Baltisphaeridium |
Baltisphaeridium eoplanktonicum
|
England |
Wenlockian |
|
Baltisphaeridium |
Baltisphaeridium eoplanktonicum
|
Pennsylvania |
Wenlockian |
|
Baltisphaeridium |
Baltisphaeridium eoplanktonicum
|
Georgia |
Tarannon |
|
Baltisphaeridium |
Baltisphaeridium eoplanktonicum
|
Alabama |
Tarannon |
|