Leiotriletes |
Leiotriletes nigratus
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Leiotriletes |
Leiotriletes microrugosus
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Leiotriletes |
Leiotriletes atavus
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Trachytriletes |
Trachytriletes solidus
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Acanthotriletes |
Acanthotriletes bucerus
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Lophozonotriletes |
Lophozonotriletes scurrus
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Stenozonotriletes |
Stenozonotriletes definitus
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Stenozonotriletes |
Stenozonotriletes extensus
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Stenozonotriletes |
Stenozonotriletes conformis
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes micromanifestus
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes micromanifestus
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes variabilis
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes singularis
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Archaeozonotriletes |
Archaeozonotriletes macromanifestus
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Archaeotriletes |
Archaeotriletes larvatus
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Archaeotriletes |
Archaeotriletes conspicuus
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|
Archaeotriletes |
Archaeotriletes lidus
|
USSR(Arkhangelsk Oblast) |
Early Frasnian |
|