Retusotriletes |
Retusotriletes warringtonii
|
Wales |
Downtonian |
Gedinnian |
Retusotriletes |
Retusotriletes warringtonii
|
Wales |
Wenlockian |
Emsian |
Retusotriletes |
Retusotriletes warringtonii
|
England |
Wenlockian |
Emsian |
Rhabdosporites |
Rhabdosporites sp
|
Canada |
Frasnian |
|
Rhabdosporites |
Rhabdosporites sp
|
England |
Eifelian |
Givetian |
Rhabdosporites |
Rhabdosporites sp
|
Belgium |
Givetian |
|
Rhabdosporites |
Rhabdosporites sp
|
France |
Givetian |
|
Rhabdosporites |
Rhabdosporites sp
|
Africa |
Frasnian |
|
Rhabdosporites |
Rhabdosporites sp
|
USSR |
Eifelian |
Givetian |
Rhaetipollis |
Rhaetipollis germanicus
|
Canada(Arctic) |
Carnian |
Rhaetian |
Rhaetogonyaulax |
Rhaetogonyaulax rhaetica
|
Canada(Arctic) |
Norian |
Rhaetian |
Rhizophora |
Rhizophora
|
Mexico |
Late Oligocene |
Early Miocene |
Rhoipites |
Rhoipites dolium
|
Turkey |
Lattorfian |
Tortonian |
Rhoipites |
Rhoipites pseudocingulum
|
Turkey |
Lattorfian |
Early Pliocene |
Rhus |
Rhus
|
USSR(Tula) |
Early Pliocene |
|
Ricciisporites |
Ricciisporites tuberculatus
|
E.Germany(Suhl) |
Late Triassic |
|
Ricciisporites |
Ricciisporites tuberculatus
|
Canada(Arctic) |
Carnian |
Early Jurassic |