Leiotriletes |
Leiotriletes trivialis
|
USSR(Urals) |
Early Givetian |
|
Leiotriletes |
Leiotriletes nigritellus
|
USSR(Urals) |
Early Givetian |
|
Lophotriletes |
Lophotriletes exiguus
|
USSR(Urals) |
Early Givetian |
|
Archaeozonotriletes |
Archaeozonotriletes nanus
|
USSR(Urals) |
Early Givetian |
|
Acanthotriletes |
Acanthotriletes erinaceus
|
USSR(Urals) |
Early Givetian |
|
Lophotriletes |
Lophotriletes minor
|
USSR(Urals) |
Early Givetian |
Frasnian |
Leiotriletes |
Leiotriletes laevis
|
USSR(Urals) |
Late Givetian |
|
Leiotriletes |
Leiotriletes devonicus
|
USSR(Urals) |
Late Givetian |
|
Lophotriletes |
Lophotriletes trivialis
|
USSR(Urals) |
Late Givetian |
|
Lophotriletes |
Lophotriletes rugosus
|
USSR(Urals) |
Late Givetian |
|
Trachytriletes |
Trachytriletes minor
|
USSR(Urals) |
Late Givetian |
|
Acanthotriletes |
Acanthotriletes spinellosus
|
USSR(Urals) |
Late Givetian |
|
Acanthotriletes |
Acanthotriletes parvispinosus
|
USSR(Urals) |
Late Givetian |
|
Acanthotriletes |
Acanthotriletes impolitus
|
USSR(Urals) |
Late Givetian |
|
Archaeozonotriletes |
Archaeozonotriletes lasius
|
USSR(Urals) |
Late Givetian |
|
Archaeozonotriletes |
Archaeozonotriletes extensus
|
USSR(Urals) |
Late Givetian |
|
Archaeozonotriletes |
Archaeozonotriletes pustulatus
|
USSR(Urals) |
Late Givetian |
|