Hymenozonotriletes |
Hymenozonotriletes trisulcus
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Leiotriletes |
Leiotriletes
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Lophotriletes |
Lophotriletes
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Lophozonotriletes |
Lophozonotriletes
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Retusotriletes |
Retusotriletes sp
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Retusotriletes |
Retusotriletes aculeolatus
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Retusotriletes |
Retusotriletes divulgatus
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Retusotriletes |
Retusotriletes frivolus
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Retusotriletes |
Retusotriletes laevis
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Retusotriletes |
Retusotriletes microthelis
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Retusotriletes |
Retusotriletes simplex
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Retusotriletes |
Retusotriletes sterlibaschevensis
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Retusotriletes |
Retusotriletes translaticius
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Stenozonotriletes |
Stenozonotriletes
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Stenozonotriletes |
Stenozonotriletes conformis
|
USSR(Arkhangelsk Oblast) |
Famennian |
|
Archaeozonotriletes |
Archaeozonotriletes sp
|
USSR(Arkhangelsk Oblast) |
Famennian |
|
Archaeozonotriletes |
Archaeozonotriletes famenensis
|
USSR(Arkhangelsk Oblast) |
Early Famennian |
|