Tasmanites |
Tasmanites
|
Bolivia |
Devonian |
|
Triletes |
Triletes bolivianus
|
Bolivia |
Devonian |
|
Tasmanites |
Tasmanites
|
Brazil(Para) |
Middle Devonian |
|
Cordaites |
Cordaites
|
Canada(Alberta) |
Late Devonian |
|
Pityosporites |
Pityosporites
|
Canada(Alberta) |
Late Devonian |
|
Schizaeaceae |
Schizaeaceae
|
Canada(Alberta) |
Late Devonian |
|
Stenozonoligotriletes |
Stenozonoligotriletes
|
Czechoslovakia |
Cambrian |
|
Bothroligotriletes |
Bothroligotriletes
|
Czechoslovakia |
Cambrian |
|
Trachytriletes |
Trachytriletes laminaritus
|
Czechoslovakia |
Early Cambrian |
|
Hystrichosphaeridiaceae |
Hystrichosphaeridiaceae
|
USSR(Baltic) |
Ordovician |
|
Leiosphaeridaceae |
Leiosphaeridaceae
|
USSR(Baltic) |
Ordovician |
|
Laminarites |
Laminarites antiquissimus
|
USSR(Baltic) |
Cambrian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium
|
USSR(Baltic) |
Cambrian |
|
Leiosphaeridaceae |
Leiosphaeridaceae
|
USSR(Baltic) |
Cambrian |
|
Sphaeroligotriletes |
Sphaeroligotriletes
|
USSR(Baltic) |
Cambrian |
|
Leiotriletes |
Leiotriletes
|
USSR(Belorussian SSR) |
Givetian |
|
Trachytriletes |
Trachytriletes
|
USSR(Belorussian SSR) |
Givetian |
|