Leiotriletes |
Leiotriletes trivialis
|
USSR(Latvian SSR) |
Middle Frasnian |
|
Lophotriletes |
Lophotriletes minor
|
USSR(Latvian SSR) |
Middle Frasnian |
|
Hymenozonotriletes |
Hymenozonotriletes evlanensis
|
USSR(Latvian SSR) |
Middle Frasnian |
|
Retusotriletes |
Retusotriletes gibberosus
|
USSR(Latvian SSR) |
Middle Frasnian |
|
Acanthotriletes |
Acanthotriletes tenuispinosus
|
USSR(Latvian SSR) |
Middle Frasnian |
|
Stenozonotriletes |
Stenozonotriletes manifestus
|
USSR(Latvian SSR) |
Middle Frasnian |
|
Stenozonotriletes |
Stenozonotriletes calamites
|
USSR(Latvian SSR) |
Middle Frasnian |
|
Stenozonotriletes |
Stenozonotriletes extensus
|
USSR(Latvian SSR) |
Middle Frasnian |
|
Stenozonotriletes |
Stenozonotriletes ornatus
|
USSR(Latvian SSR) |
Middle Frasnian |
|
Lophozonotriletes |
Lophozonotriletes evlanensis
|
USSR(Latvian SSR) |
Middle Frasnian |
|
Hymenozonotriletes |
Hymenozonotriletes meonacanthus
|
USSR(Latvian SSR) |
Middle Frasnian |
|
Hymenozonotriletes |
Hymenozonotriletes medius
|
USSR(Latvian SSR) |
Middle Frasnian |
|
Lophozonotriletes |
Lophozonotriletes grandis
|
USSR(Latvian SSR) |
Middle Frasnian |
|
Lophozonotriletes |
Lophozonotriletes retusus
|
USSR(Latvian SSR) |
Middle Frasnian |
|
Brochotriletes |
Brochotriletes foveolatus
|
USSR(Latvian SSR) |
Middle Frasnian |
|
Perisaccus |
Perisaccus verruculatus
|
USSR(Latvian SSR) |
Middle Frasnian |
|
Retusotriletes |
Retusotriletes parvimammatus
|
USSR(Latvian SSR) |
Middle Frasnian |
|