Gracilisphaeridium |
Gracilisphaeridium encantador
|
Wales |
Telychian |
Sheinwoodian |
Gracilisphaeridium |
Gracilisphaeridium encantador
|
England |
Telychian |
Sheinwoodian |
Gracilisphaeridium |
Gracilisphaeridium encantador
|
Norway |
Telychian |
|
Gracilisphaeridium |
Gracilisphaeridium encantador
|
Baltic |
Telychian |
Sheinwoodian |
Hoegklintia |
Hoegklintia visbyensis
|
Atlantic Coast Offshore |
Rhuddanian |
Telychian |
Hoegklintia |
Hoegklintia visbyensis
|
Canada(Gaspe Area) |
Llandoverian |
|
Hoegklintia |
Hoegklintia visbyensis
|
USA |
Llandoverian |
Wenlockian |
Hoegklintia |
Hoegklintia visbyensis
|
Baltic |
Sheinwoodian |
|
Hoegklintia |
Hoegklintia visbyensis
|
Belgium |
Rhuddanian |
|
Leiofusa |
Leiofusa spinata
|
Nd |
Nd |
|
Leoniella |
Leoniella carminae
|
England |
Gorstian |
Ludfordian |
Leoniella |
Leoniella carminae
|
Wales |
Gorstian |
Ludfordian |
Leoniella |
Leoniella carminae
|
USSR(Ukrainian SSR) |
Ludlovian |
Pridolian |
Leoniella |
Leoniella carminae
|
France |
Ludlovian |
|
Leoniella |
Leoniella carminae
|
Spain |
Ludlovian |
Pridolian |
Leoniella |
Leoniella carminae
|
Africa |
Ludlovian |
|
Leoniella |
Leoniella carminae
|
Africa |
Wenlockian |
|