Acanthotriletes |
Acanthotriletes crinaceus
|
USSR(Latvian SSR) |
Early Frasnian |
|
Acanthotriletes |
Acanthotriletes rugatus
|
USSR(Latvian SSR) |
Early Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes devonicus
|
USSR(Latvian SSR) |
Early Frasnian |
|
Stenozonotriletes |
Stenozonotriletes zadonicus
sp. nov. |
USSR(Latvian SSR) |
Early Frasnian |
|
Stenozonotriletes |
Stenozonotriletes millegranus
sp. nov. |
USSR(Latvian SSR) |
Early Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes macromanifestus
|
USSR(Latvian SSR) |
Early Frasnian |
|
Stenozonotriletes |
Stenozonotriletes pumilus
sp. nov. |
USSR(Latvian SSR) |
Early Frasnian |
|
Lophozonotriletes |
Lophozonotriletes excisus
|
USSR(Latvian SSR) |
Early Frasnian |
|
Lophozonotriletes |
Lophozonotriletes rarituberculatus
|
USSR(Latvian SSR) |
Early Frasnian |
|
Hymenozonotriletes |
Hymenozonotriletes fossus
|
USSR(Latvian SSR) |
Early Frasnian |
|
Hymenozonotriletes |
Hymenozonotriletes insignis
|
USSR(Latvian SSR) |
Early Frasnian |
|
Hymenozonotriletes |
Hymenozonotriletes imbricatus
|
USSR(Latvian SSR) |
Early Frasnian |
|
Hymenozonotriletes |
Hymenozonotriletes varius
|
USSR(Latvian SSR) |
Early Frasnian |
|
Hymenozonotriletes |
Hymenozonotriletes rarus
|
USSR(Latvian SSR) |
Early Frasnian |
|
Hymenozonotriletes |
Hymenozonotriletes speciosus
|
USSR(Latvian SSR) |
Early Frasnian |
|
Hymenozonotriletes |
Hymenozonotriletes multangularis
|
USSR(Latvian SSR) |
Early Frasnian |
|
Chomotriletes |
Chomotriletes vedugensis
|
USSR(Latvian SSR) |
Early Frasnian |
|