Archaeotriletes |
Archaeotriletes conspicuus
|
USSR(Latvian SSR) |
Frasnian |
|
Archaeotriletes |
Archaeotriletes fidus
|
USSR(Latvian SSR) |
Frasnian |
|
Archaeotriletes |
Archaeotriletes crassus
|
USSR(Latvian SSR) |
Frasnian |
|
Archaeotriletes |
Archaeotriletes antennarius
|
USSR(Latvian SSR) |
Frasnian |
|
Archaeotriletes |
Archaeotriletes inaequalis
|
USSR(Latvian SSR) |
Frasnian |
|
Archaeotriletes |
Archaeotriletes plavinensis
|
USSR(Latvian SSR) |
Frasnian |
|
Retusotriletes |
Retusotriletes communis
|
USSR(Latvian SSR) |
Frasnian |
|
Retusotriletes |
Retusotriletes simplex
|
USSR(Latvian SSR) |
Frasnian |
|
Retusotriletes |
Retusotriletes verrucalatus
|
USSR(Latvian SSR) |
Frasnian |
|
Retusotriletes |
Retusotriletes parvimammatus
|
USSR(Latvian SSR) |
Frasnian |
|
Retusotriletes |
Retusotriletes gibberosus
|
USSR(Latvian SSR) |
Frasnian |
|
Retusotriletes |
Retusotriletes glomeratus
sp. nov. |
USSR(Latvian SSR) |
Frasnian |
|
Brochotriletes |
Brochotriletes foveolatus
|
USSR(Latvian SSR) |
Frasnian |
|
Hymenozonotriletes |
Hymenozonotriletes pustulatus
|
USSR(Latvian SSR) |
Frasnian |
|
Hymenozonotriletes |
Hymenozonotriletes mancus
|
USSR(Latvian SSR) |
Frasnian |
|
Hymenozonotriletes |
Hymenozonotriletes mancus
|
USSR(Latvian SSR) |
Frasnian |
|
Hymenozonotriletes |
Hymenozonotriletes angulatus
|
USSR(Latvian SSR) |
Frasnian |
|