Leiotriletes |
Leiotriletes simplex
|
USSR(Latvian SSR) |
Frasnian |
|
Leiotriletes |
Leiotriletes microrugosus
|
USSR(Latvian SSR) |
Frasnian |
|
Leiotriletes |
Leiotriletes nigratus
|
USSR(Latvian SSR) |
Frasnian |
|
Leiotriletes |
Leiotriletes rotundus
|
USSR(Latvian SSR) |
Frasnian |
|
Leiotriletes |
Leiotriletes minutissimus
|
USSR(Latvian SSR) |
Frasnian |
|
Leiotriletes |
Leiotriletes typicus
|
USSR(Latvian SSR) |
Frasnian |
|
Leiotriletes |
Leiotriletes atavus
|
USSR(Latvian SSR) |
Frasnian |
|
Leiotriletes |
Leiotriletes rhytideus
|
USSR(Latvian SSR) |
Frasnian |
|
Trachytriletes |
Trachytriletes solidus
|
USSR(Latvian SSR) |
Frasnian |
|
Trachytriletes |
Trachytriletes lasius
|
USSR(Latvian SSR) |
Frasnian |
|
Trachytriletes |
Trachytriletes minor
|
USSR(Latvian SSR) |
Frasnian |
|
Acanthotriletes |
Acanthotriletes dentatus
|
USSR(Latvian SSR) |
Frasnian |
|
Acanthotriletes |
Acanthotriletes uncatus
|
USSR(Latvian SSR) |
Frasnian |
|
Acanthotriletes |
Acanthotriletes denticulatus
|
USSR(Latvian SSR) |
Frasnian |
|
Acanthotriletes |
Acanthotriletes naumovae
|
USSR(Latvian SSR) |
Frasnian |
|
Archaeotriletes |
Archaeotriletes hamulus
|
USSR(Latvian SSR) |
Frasnian |
|
Archaeotriletes |
Archaeotriletes ancylius
|
USSR(Latvian SSR) |
Frasnian |
|