Leiotriletes |
Leiotriletes simplex
|
USSR(Latvian SSR) |
Givetian |
|
Leiotriletes |
Leiotriletes atavus
|
USSR(Latvian SSR) |
Givetian |
|
Trachytriletes |
Trachytriletes solidus
|
USSR(Latvian SSR) |
Givetian |
|
Acanthotriletes |
Acanthotriletes impolitus
|
USSR(Latvian SSR) |
Givetian |
|
Lophotriletes |
Lophotriletes impolitus
|
USSR(Latvian SSR) |
Givetian |
|
Dictyotriletes |
Dictyotriletes nigratus
|
USSR(Latvian SSR) |
Givetian |
|
Hymenozonotriletes |
Hymenozonotriletes commutatus
|
USSR(Latvian SSR) |
Givetian |
|
Archaeozonotriletes |
Archaeozonotriletes variabilis
|
USSR(Latvian SSR) |
Givetian |
|
Archaeozonotriletes |
Archaeozonotriletes compactus
|
USSR(Latvian SSR) |
Givetian |
|
Stenozonotriletes |
Stenozonotriletes simplex
|
USSR(Latvian SSR) |
Givetian |
|
Leiotriletes |
Leiotriletes rotundus
|
USSR(Latvian SSR) |
Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes regularis
|
USSR(Latvian SSR) |
Frasnian |
|
Leiotriletes |
Leiotriletes nigratus
|
USSR(Latvian SSR) |
Early Frasnian |
|
Trachytriletes |
Trachytriletes lasius
|
USSR(Latvian SSR) |
Early Frasnian |
|
Brochotriletes |
Brochotriletes foveolatus
|
USSR(Latvian SSR) |
Early Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes basilaris
|
USSR(Latvian SSR) |
Early Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes micromanifestus
|
USSR(Latvian SSR) |
Early Frasnian |
|