Priscotheca |
Priscotheca siempreplicata
|
Tunisia |
Tremadocian |
Late Arenigian |
Priscotheca |
Priscotheca siempreplicata
|
Libya |
Tremadocian |
Late Arenigian |
Priscotheca |
Priscotheca siempreplicata
|
Saudi Arabia |
Tremadocian |
Late Arenigian |
Priscotheca |
Priscotheca siempreplicata
|
Morocco |
Late Arenigian |
|
Psenotopus |
Psenotopus chondrocheus
|
Indiana |
Silurian |
|
Pseudolunulidia |
Pseudolunulidia imperatrizensis
|
Brazil |
Middle Devonian |
Late Devonian |
Quadraditum |
Quadraditum fantasticum
|
Tunisia |
Late Llandoverian |
Gedinnian |
Quadraditum |
Quadraditum fantasticum
|
France |
Ludlovian |
|
Quadraditum |
Quadraditum fantasticum
|
Belgium |
Late Llandoverian |
Gedinnian |
Quadraditum |
Quadraditum fantasticum
|
Saudi Arabia |
Silurian |
|
Quadraditum |
Quadraditum fantasticum
|
England |
Late Llandoverian |
Gedinnian |
Quadraditum |
Quadraditum fantasticum
|
Portuguese Guinea |
Late Llandoverian |
Gedinnian |
Quadraditum |
Quadraditum fantasticum
|
Missouri |
Wenlockian |
Early Ludlovian |
Quadraditum |
Quadraditum fantasticum
|
Spain |
Late Llandoverian |
Gedinnian |
Quadraditum |
Quadraditum fantasticum
|
Algeria |
Late Llandoverian |
Gedinnian |
Quadraditum |
Quadraditum fantasticum
|
Libya |
Late Llandoverian |
Gedinnian |
Quadraditum |
Quadraditum fantasticum
|
Portuguese Guinea |
Wenlockian |
|