Archaeoperisaccus |
Archaeoperisaccus sp
|
USSR(Belorussian SSR) |
Middle Frasnian |
Late Frasnian |
Acanthotriletes |
Acanthotriletes polygamus
|
USSR(Belorussian SSR) |
Middle Frasnian |
Late Frasnian |
Acanthotriletes |
Acanthotriletes sp
|
USSR(Belorussian SSR) |
Middle Frasnian |
Late Frasnian |
Archaeozonotriletes |
Archaeozonotriletes nalivkinii
|
USSR(Belorussian SSR) |
Middle Frasnian |
Late Frasnian |
Archaeozonotriletes |
Archaeozonotriletes semilucensis
|
USSR(Belorussian SSR) |
Middle Frasnian |
Late Frasnian |
Hymenozonotriletes |
Hymenozonotriletes deliquescens
|
USSR(Belorussian SSR) |
Middle Frasnian |
Late Frasnian |
Hymenozonotriletes |
Hymenozonotriletes trivialis
|
USSR(Belorussian SSR) |
Middle Frasnian |
Late Frasnian |
Lophozonotriletes |
Lophozonotriletes concessus
|
USSR(Belorussian SSR) |
Middle Frasnian |
Late Frasnian |
Lophozonotriletes |
Lophozonotriletes excisus
|
USSR(Belorussian SSR) |
Middle Frasnian |
Late Frasnian |
Archaeozonotriletes |
Archaeozonotriletes aculeatus
|
USSR(Belorussian SSR) |
Late Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes echinatus
|
USSR(Belorussian SSR) |
Late Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes opiparus
|
USSR(Belorussian SSR) |
Late Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes micromanifestus
|
USSR(Belorussian SSR) |
Late Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes perlotus
|
USSR(Belorussian SSR) |
Late Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes polymorphus
|
USSR(Belorussian SSR) |
Late Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes volgogradicus
|
USSR(Belorussian SSR) |
Late Frasnian |
|
Archaeotriletes |
Archaeotriletes fidus
|
USSR(Belorussian SSR) |
Late Frasnian |
|