Priscogalea |
Priscogalea levis
|
Algeria |
Tremadocian |
|
Priscogalea |
Priscogalea messaoudii
|
Algeria |
Tremadocian |
|
Priscogalea |
Priscogalea multarea
|
Nd |
Early Paleozoic |
|
Priscogalea |
Priscogalea multiclaustra
|
Nd |
Early Paleozoic |
|
Priscogalea |
Priscogalea serrata
|
Nd |
Early Paleozoic |
|
Priscogalea |
Priscogalea stelligera
|
Nd |
Early Paleozoic |
|
Priscogalea |
Priscogalea striatula
|
Nd |
Early Paleozoic |
|
Priscotheca |
Priscotheca
|
Nd |
Nd |
|
Priscotheca |
Priscotheca complanata
|
Nd |
Early Paleozoic |
|
Priscotheca |
Priscotheca minima
|
Nd |
Early Paleozoic |
|
Priscotheca |
Priscotheca raia
|
Nd |
Early Paleozoic |
|
Priscotheca |
Priscotheca striatula
|
Nd |
Early Paleozoic |
|
Priscotheca |
Priscotheca tumida
|
Nd |
Early Paleozoic |
|
Protoleiosphaeridium |
Protoleiosphaeridium
|
Nd |
Nd |
|
Protoleiosphaeridium |
Protoleiosphaeridium conglutinatum
|
USSR(Pre-Baltic) |
Proterozoic |
Middle Ordovician |
Protoleiosphaeridium |
Protoleiosphaeridium millegrana
|
Nd |
Early Paleozoic |
|
Protoocridosphaeridium |
Protoocridosphaeridium elandii
|
Nd |
Early Paleozoic |
|