Leiotriletes |
Leiotriletes undulatus
|
USSR(Siberia) |
Early Frasnian |
|
Leiotriletes |
Leiotriletes undulatus
|
USSR(Russian Platform) |
Early Devonian |
|
Lophotriletes |
Lophotriletes dissimilaris
|
USSR(Siberia) |
Middle Devonian |
|
Lophotriletes |
Lophotriletes dissimilaris
|
USSR(Russian Platform) |
Early Devonian |
|
Lophotriletes |
Lophotriletes grandis
|
USSR(Siberia) |
Early Devonian |
|
Lophotriletes |
Lophotriletes grumosus
|
USSR(Siberia) |
Middle Devonian |
|
Lophotriletes |
Lophotriletes rugosus
|
USSR(Siberia) |
Early Devonian |
|
Lophotriletes |
Lophotriletes rugosus
|
USSR(Siberia) |
Early Frasnian |
|
Lophotriletes |
Lophotriletes rugosus
|
USSR(Russian Platform) |
Early Devonian |
|
Lophotriletes |
Lophotriletes salebrosus
|
USSR(Siberia) |
Middle Devonian |
|
Micrhystridium |
Micrhystridium stellatum
|
USSR(Russian Platform) |
Early Frasnian |
|
Retusotriletes |
Retusotriletes anakribes
|
USSR(Russian Platform) |
Early Devonian |
|
Retusotriletes |
Retusotriletes apsogus
|
USSR(Russian Platform) |
Early Devonian |
|
Retusotriletes |
Retusotriletes hastatus
|
USSR(Siberia) |
Early Frasnian |
|
Retusotriletes |
Retusotriletes hastatus
|
USSR(Russian Platform) |
Early Devonian |
|
Retusotriletes |
Retusotriletes parvimammatus
|
USSR(Siberia) |
Early Frasnian |
|
Retusotriletes |
Retusotriletes parvimammatus
|
USSR(Russian Platform) |
Early Devonian |
|