Acanthotriletes |
Acanthotriletes acris
|
USSR(Latvian SSR) |
Middle Siegenian |
Early Emsian |
Archaeozonotriletes |
Archaeozonotriletes glaber
|
USSR(Latvian SSR) |
Middle Siegenian |
Early Emsian |
Camarozonotriletes |
Camarozonotriletes atavus
|
USSR(Latvian SSR) |
Middle Siegenian |
Early Emsian |
Leiotriletes |
Leiotriletes atavus
|
USSR(Latvian SSR) |
Middle Siegenian |
Early Emsian |
Leiotriletes |
Leiotriletes devonicus
|
USSR(Latvian SSR) |
Middle Siegenian |
Early Emsian |
Leiotriletes |
Leiotriletes inermis
|
USSR(Latvian SSR) |
Middle Siegenian |
Early Emsian |
Leiotriletes |
Leiotriletes laevis
|
USSR(Latvian SSR) |
Middle Siegenian |
Early Emsian |
Leiotriletes |
Leiotriletes microrugosus
|
USSR(Latvian SSR) |
Middle Siegenian |
Early Emsian |
Leiotriletes |
Leiotriletes minutissimus
|
USSR(Latvian SSR) |
Middle Siegenian |
Early Emsian |
Leiotriletes |
Leiotriletes nigratus
|
USSR(Latvian SSR) |
Middle Siegenian |
Early Emsian |
Leiotriletes |
Leiotriletes nigritellus
|
USSR(Latvian SSR) |
Middle Siegenian |
Early Emsian |
Leiotriletes |
Leiotriletes pullatus
|
USSR(Latvian SSR) |
Middle Siegenian |
Early Emsian |
Leiotriletes |
Leiotriletes rotundus
|
USSR(Latvian SSR) |
Middle Siegenian |
Early Emsian |
Lophotriletes |
Lophotriletes fastuosus
|
USSR(Latvian SSR) |
Middle Siegenian |
Early Emsian |
Lophotriletes |
Lophotriletes rugosus
|
USSR(Latvian SSR) |
Middle Siegenian |
Early Emsian |
Lophotriletes |
Lophotriletes subrotundus
|
USSR(Latvian SSR) |
Middle Siegenian |
Early Emsian |
Retusotriletes |
Retusotriletes mesodevonicus
|
USSR(Latvian SSR) |
Middle Siegenian |
Early Emsian |