Retusotriletes |
Retusotriletes sp
|
Kentucky |
Late Llandoverian |
|
Streelispora |
Streelispora newportensis
|
Sweden |
Middle Ludlovian |
|
Veryhachium |
Veryhachium scabratum
|
North America |
Silurian |
|
Veryhachium |
Veryhachium scabratum
|
South America |
Silurian |
|
Veryhachium |
Veryhachium scabratum
|
Europe |
Silurian |
|
Veryhachium |
Veryhachium scabratum
|
Africa |
Silurian |
|
Veryhachium |
Veryhachium sp.I
sp. nov. |
North America |
Late Ordovician |
|
Veryhachium |
Veryhachium sp.I
sp. nov. |
South America |
Late Ordovician |
|
Veryhachium |
Veryhachium sp.I
sp. nov. |
Europe |
Late Ordovician |
|
Veryhachium |
Veryhachium sp.I
sp. nov. |
Africa |
Late Ordovician |
|