Acanthodiacrodium |
Acanthodiacrodium comptulum
|
England |
Early Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium comptulum
|
France |
Early Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium comptulum
|
Belgium |
Early Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium comptulum
|
Spain |
Early Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium comptulum
|
Italy |
Early Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium comptulum
|
Canada(Newfoundland) |
Early Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium comptulum
|
Iran |
Early Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium comptulum
|
Africa(N.Africa) |
Early Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium digermulense
|
USSR(Arkhangelsk Oblast) |
Late Cambrian |
|
Acanthodiacrodium |
Acanthodiacrodium digermulense
|
USSR(Leningrad) |
Late Cambrian |
|
Acanthodiacrodium |
Acanthodiacrodium digermulense
|
Estonia |
Late Cambrian |
|
Acanthodiacrodium |
Acanthodiacrodium digermulense
|
USSR(Yaroslav) |
Late Cambrian |
|
Acanthodiacrodium |
Acanthodiacrodium digermulense
|
Russia |
Late Cambrian |
|
Acanthodiacrodium |
Acanthodiacrodium digermulense
|
Estonia |
Late Cambrian |
|
Acanthodiacrodium |
Acanthodiacrodium digermulense
|
Sweden |
Late Cambrian |
|
Acanthodiacrodium |
Acanthodiacrodium digermulense
|
Norway |
Late Cambrian |
|
Acanthodiacrodium |
Acanthodiacrodium ubuii
|
Poland |
Early Tremadocian |
|