Spinozonotriletes |
Spinozonotriletes multispinosus
|
Germany |
Late Emsian |
|
Spinozonotriletes |
Spinozonotriletes naumovii
|
Scotland |
Givetian |
|
Spinozonotriletes |
Spinozonotriletes naumovii
|
Canada |
Late Emsian |
|
Spinozonotriletes |
Spinozonotriletes naumovii
|
Canada(Ontario) |
Givetian |
|
Stenozonotriletes |
Stenozonotriletes
|
Canada(NWT) |
Middle Frasnian |
|
Stenozonotriletes |
Stenozonotriletes ornatissimus
|
USSR(Lithuanian SSR) |
Early Devonian |
|
Stenozonotriletes |
Stenozonotriletes sp
|
Spitsbergen |
Siegenian |
|
Stenozonotriletes |
Stenozonotriletes sp
|
USSR(Lithuanian SSR) |
Early Devonian |
|
Stenozonotriletes |
Stenozonotriletes sp
|
France(Maine-et-Loire) |
Middle Siegenian |
Late Siegenian |
Stenozonotriletes |
Stenozonotriletes subgranulatus
|
USSR |
Middle Ordovician |
|
Stenozonotriletes |
Stenozonotriletes subgranulatus
|
USSR |
Silurian |
|
Streelispora |
Streelispora granulata
|
Wales |
Ludlovian |
|
Streelispora |
Streelispora newportensis
|
Wales |
Dittonian |
|
Synorisporites |
Synorisporites downtonensis
|
Wales |
Ludlovian |
|
Synorisporites |
Synorisporites tripapillatus
|
Canada(Ontario) |
Gedinnian |
Early Siegenian |
Synorisporites |
Synorisporites tripapillatus
|
Wales |
Downtonian |
|
Synorisporites |
Synorisporites verrucatus
|
Wales |
Wenlockian |
Downtonian |