Archaeozonotriletes |
Archaeozonotriletes divellomedium
|
Wales |
Wenlockian |
Downtonian |
Archaeozonotriletes |
Archaeozonotriletes optivus
|
USSR(Bashkir ASSR) |
Eifelian |
Givetian |
Archaeozonotriletes |
Archaeozonotriletes optivus
|
USSR(Bashkir ASSR) |
Eifelian |
Givetian |
Archaeozonotriletes |
Archaeozonotriletes optivus
|
Canada(Arctic) |
Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes optivus
|
Canada(Arctic) |
Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes subnotatus
|
USSR(Bashkir ASSR) |
Eifelian |
Givetian |
Archaeozonotriletes |
Archaeozonotriletes subnotatus
|
Canada(Arctic) |
Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes variabilis
|
|
Emsian |
|
Archaeozonotriletes |
Archaeozonotriletes variabilis
|
Canada(Arctic) |
Givetian |
|
Aulicosporites |
Aulicosporites aulicus
|
Spitsbergen |
Emsian |
|
Auroraspora |
Auroraspora communis
|
France(Maine-et-Loire) |
Middle Siegenian |
Late Siegenian |
Auroraspora |
Auroraspora macromanifesta
|
Scotland |
Late Eifelian |
|
Auroraspora |
Auroraspora macromanifesta
|
W.Germany |
Eifelian |
|
Auroraspora |
Auroraspora macromanifesta
|
Canada(Arctic) |
Givetian |
|
Auroraspora |
Auroraspora minuta
|
Scotland |
Givetian |
|
Auroraspora |
Auroraspora minuta
|
Canada |
Late Emsian |
|
Auroraspora |
Auroraspora sp
|
|
Emsian |
|