Hymenozonotriletes |
Hymenozonotriletes rugosiusculus
|
USSR(Russian Platform) |
Middle Visean |
|
Hymenozonotriletes |
Hymenozonotriletes spinosus
|
USSR(Russian Platform) |
Early Tournaisian |
Early Visean |
Hymenozonotriletes |
Hymenozonotriletes squamosus
|
USSR(Russian Platform) |
Late Tournaisian |
|
Hymenozonotriletes |
Hymenozonotriletes tessellatus
|
USSR(Russian Platform) |
Middle Visean |
|
Hymenozonotriletes |
Hymenozonotriletes triangularis
|
USSR(Russian Platform) |
Middle Visean |
|
Hymenozonotriletes |
Hymenozonotriletes tripartitus
|
USSR(Russian Platform) |
Early Visean |
|
Hymenozonotriletes |
Hymenozonotriletes upensis
|
USSR(Russian Platform) |
Early Tournaisian |
Early Visean |
Leiosphaera |
Leiosphaera sp
|
USSR(Russian Platform) |
Early Tournaisian |
Late Tournaisian |
Leiotriletes |
Leiotriletes albertensis
|
USSR(Russian Platform) |
Middle Visean |
|
Leiotriletes |
Leiotriletes angularis
|
USSR(Russian Platform) |
Early Tournaisian |
Early Visean |
Leiotriletes |
Leiotriletes glaber
|
USSR(Russian Platform) |
Early Tournaisian |
Middle Visean |
Leiotriletes |
Leiotriletes inermis
|
USSR(Russian Platform) |
Early Tournaisian |
Middle Visean |
Leiotriletes |
Leiotriletes microrugosus
|
USSR(Russian Platform) |
Early Tournaisian |
Middle Visean |
Leiotriletes |
Leiotriletes minutissimus
|
USSR(Russian Platform) |
Early Tournaisian |
Early Visean |
Leiotriletes |
Leiotriletes simplicissimus
|
USSR(Russian Platform) |
Early Tournaisian |
Early Visean |
Leiotriletes |
Leiotriletes subintortus
|
USSR(Russian Platform) |
Late Tournaisian |
Middle Visean |
Lophotriletes |
Lophotriletes exiguus
|
USSR(Russian Platform) |
Early Tournaisian |
Middle Visean |