Retusotriletes |
Retusotriletes plicatus
|
USSR(Urals) |
Early Eifelian |
|
Retusotriletes |
Retusotriletes sterlibaschevensis
|
USSR(Urals) |
Late Eifelian |
|
Retusotriletes |
Retusotriletes communis
|
USSR(Urals) |
Eifelian |
|
Retusotriletes |
Retusotriletes tenerimedius
|
USSR(Urals) |
Late Eifelian |
|
Retusotriletes |
Retusotriletes frivolus
|
USSR(Urals) |
Late Eifelian |
|
Hymenozonotriletes |
Hymenozonotriletes endemicus
|
USSR(Urals) |
Early Eifelian |
|
Hymenozonotriletes |
Hymenozonotriletes endemicus
|
USSR(Urals) |
Eifelian |
|
Hymenozonotriletes |
Hymenozonotriletes longus
|
USSR(Urals) |
Early Eifelian |
|
Hymenozonotriletes |
Hymenozonotriletes melanidus
|
USSR(Urals) |
Late Eifelian |
|
Hymenozonotriletes |
Hymenozonotriletes impolitus
|
USSR(Urals) |
Late Eifelian |
|
Hymenozonotriletes |
Hymenozonotriletes inassuetus
|
USSR(Urals) |
Late Eifelian |
|
Azonomonoletes |
Azonomonoletes microtuberculatus
|
USSR(Urals) |
Eifelian |
|
Azonomonoletes |
Azonomonoletes usitatus
|
USSR(Urals) |
Eifelian |
|
Azonomonoletes |
Azonomonoletes subreticulatus
|
USSR(Urals) |
Early Eifelian |
|
Acanthotriletes |
Acanthotriletes perpusillus
|
USSR(Urals) |
Late Eifelian |
|
Diatomozonotriletes |
Diatomozonotriletes devonicus
|
USSR(Urals) |
Late Eifelian |
|
Periplecotriletes |
Periplecotriletes tortus
|
USSR(Urals) |
Late Eifelian |
|