Acanthotriletes |
Acanthotriletes parvispinosus
|
USSR(Latvian SSR) |
Emsian |
|
Acanthotriletes |
Acanthotriletes perpusillus
|
USSR(Latvian SSR) |
Emsian |
Eifelian |
Archaeotriletes |
Archaeotriletes crassus
|
USSR(Latvian SSR) |
Eifelian |
|
Archaeotriletes |
Archaeotriletes mitratus
|
USSR(Latvian SSR) |
Eifelian |
|
Archaeozonotriletes |
Archaeozonotriletes divellomedium
|
USSR(Latvian SSR) |
Late Emsian |
Eifelian |
Archaeozonotriletes |
Archaeozonotriletes tortuosus
|
USSR(Latvian SSR) |
Late Emsian |
Eifelian |
Camarozonotriletes |
Camarozonotriletes aculeatus
|
USSR(Latvian SSR) |
Late Emsian |
Eifelian |
Camarozonotriletes |
Camarozonotriletes antiquus
|
USSR(Latvian SSR) |
Eifelian |
|
Camarozonotriletes |
Camarozonotriletes apertus
|
USSR(Latvian SSR) |
Eifelian |
|
Camarozonotriletes |
Camarozonotriletes monomorphus
|
USSR(Latvian SSR) |
Late Emsian |
Early Eifelian |
Camptozonotriletes |
Camptozonotriletes caperatus
|
USSR(Latvian SSR) |
Emsian |
|
Chitinozoa |
Chitinozoa
|
USSR(Latvian SSR) |
Late Emsian |
Eifelian |
Diatomozonotriletes |
Diatomozonotriletes devonicus
|
USSR(Latvian SSR) |
Late Emsian |
Eifelian |
Dictyotriletes |
Dictyotriletes minutissimus
|
USSR(Latvian SSR) |
Eifelian |
|
Emphanisporites |
Emphanisporites annulatus
|
USSR(Latvian SSR) |
Emsian |
|
Emphanisporites |
Emphanisporites minutus
|
USSR(Latvian SSR) |
Late Emsian |
Eifelian |
Emphanisporites |
Emphanisporites minutus
|
USSR(Latvian SSR) |
Late Emsian |
Early Eifelian |