Acanthodiacrodium |
Acanthodiacrodium abortivum
|
USSR(Russian Platform) |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium bucerum
sp. nov. |
USSR(Russian Platform) |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium bucerum
sp. nov. |
USSR(Russian Platform) |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium cornutum
|
USSR(Russian Platform) |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium echinatum
|
USSR(Russian Platform) |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium fibulaeforme
|
USSR(Russian Platform) |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium hebetatum
|
USSR(Russian Platform) |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium hirtum
|
USSR(Russian Platform) |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium mediale
|
USSR(Russian Platform) |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium polimorphum
|
USSR(Russian Platform) |
Tremadocian |
|
Acanthodiacrodium |
Acanthodiacrodium rugosum
sp. nov. |
USSR(Russian Platform) |
Tremadocian |
|
Acanthomarginata |
Acanthomarginata
|
USSR(Russian Platform) |
Tremadocian |
|
Acanthomarginata |
Acanthomarginata ungulata
sp. nov. |
USSR(Russian Platform) |
Tremadocian |
|
Acanthorytidodiacrodium |
Acanthorytidodiacrodium argutum
|
USSR(Russian Platform) |
Tremadocian |
|
Acanthorytidodiacrodium |
Acanthorytidodiacrodium sp
|
USSR(Russian Platform) |
Tremadocian |
|
Acanthorytidodiacrodium |
Acanthorytidodiacrodium vestitum
|
USSR(Russian Platform) |
Tremadocian |
|
Alliumella |
Alliumella
|
USSR(Russian Platform) |
Early Cambrian |
|