Leiotriletes |
Leiotriletes laevis
|
USSR(Latvian SSR) |
Emsian |
|
Leiotriletes |
Leiotriletes microrugosus
|
USSR(Latvian SSR) |
Emsian |
|
Leiotriletes |
Leiotriletes parvus
|
USSR(Latvian SSR) |
Emsian |
|
Leiotriletes |
Leiotriletes simplex
|
USSR(Latvian SSR) |
Emsian |
|
Lophotriletes |
Lophotriletes lepidus
|
USSR(Latvian SSR) |
Late Emsian |
Eifelian |
Lophotriletes |
Lophotriletes minor
|
USSR(Latvian SSR) |
Emsian |
|
Lophotriletes |
Lophotriletes rugosus
|
USSR(Latvian SSR) |
Eifelian |
|
Periplecotriletes |
Periplecotriletes tortus
|
USSR(Latvian SSR) |
Late Emsian |
Eifelian |
Retusotriletes |
Retusotriletes actinomorphus
|
USSR(Latvian SSR) |
Late Emsian |
Early Eifelian |
Retusotriletes |
Retusotriletes antiquus
|
USSR(Latvian SSR) |
Late Emsian |
Eifelian |
Retusotriletes |
Retusotriletes communis
|
USSR(Latvian SSR) |
Emsian |
|
Retusotriletes |
Retusotriletes devonicus
|
USSR(Latvian SSR) |
Emsian |
Eifelian |
Retusotriletes |
Retusotriletes devonicus
|
USSR(Latvian SSR) |
Eifelian |
|
Retusotriletes |
Retusotriletes devonicus
|
USSR(Latvian SSR) |
Eifelian |
|
Retusotriletes |
Retusotriletes echinaceus
|
USSR(Latvian SSR) |
Eifelian |
|
Retusotriletes |
Retusotriletes fragosus
|
USSR(Latvian SSR) |
Eifelian |
|
Retusotriletes |
Retusotriletes frivolus
|
USSR(Latvian SSR) |
Emsian |
|