Acanthotriletes |
Acanthotriletes dentatus
|
USSR(Latvian SSR) |
Frasnian |
|
Archaeoperisaccus |
Archaeoperisaccus concinnus
|
USSR(Latvian SSR) |
Frasnian |
|
Archaeoperisaccus |
Archaeoperisaccus mirandus
|
USSR(Latvian SSR) |
Frasnian |
|
Archaeoperisaccus |
Archaeoperisaccus mirus
|
USSR(Latvian SSR) |
Frasnian |
|
Archaeoperisaccus |
Archaeoperisaccus ovalis
|
USSR(Latvian SSR) |
Frasnian |
|
Archaeotriletes |
Archaeotriletes ancylius
|
USSR(Latvian SSR) |
Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes basilaris
|
USSR(Latvian SSR) |
Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes echinatus
sp. nov. |
USSR(Latvian SSR) |
Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes micromanifestus
|
USSR(Latvian SSR) |
Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes nalivkinii
|
USSR(Latvian SSR) |
Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes rugosus
|
USSR(Latvian SSR) |
Frasnian |
|
Brochotriletes |
Brochotriletes foveolatus
|
USSR(Latvian SSR) |
Frasnian |
|
Hymenozonotriletes |
Hymenozonotriletes incisus
|
USSR(Latvian SSR) |
Frasnian |
|
Hymenozonotriletes |
Hymenozonotriletes livnensis
sp. nov. |
USSR(Latvian SSR) |
Frasnian |
|
Leiotriletes |
Leiotriletes minutissimus
|
USSR(Latvian SSR) |
Frasnian |
|
Leiotriletes |
Leiotriletes nigratus
|
USSR(Latvian SSR) |
Frasnian |
|
Leiotriletes |
Leiotriletes typicus
|
USSR(Latvian SSR) |
Frasnian |
|