Acanthotriletes |
Acanthotriletes mutabilis
|
USSR(Siberia) |
Early Devonian |
|
Acanthotriletes |
Acanthotriletes serratus
|
USSR(Siberia) |
Early Devonian |
|
Acanthotriletes |
Acanthotriletes spinellosus
|
USSR(Siberia) |
Early Devonian |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium gracilis
|
USSR(Siberia) |
Early Devonian |
|
Leiotriletes |
Leiotriletes devonicus
|
USSR(Siberia) |
Early Devonian |
|
Leiotriletes |
Leiotriletes nigratus
|
USSR(Siberia) |
Early Devonian |
|
Leiotriletes |
Leiotriletes pullatus
|
USSR(Siberia) |
Early Devonian |
|
Leiotriletes |
Leiotriletes trivialis
|
USSR(Siberia) |
Early Devonian |
|
Protoleiosphaeridium |
Protoleiosphaeridium planum
|
USSR(Siberia) |
Early Devonian |
|
Protoleiosphaeridium |
Protoleiosphaeridium unilobatum
|
USSR(Siberia) |
Early Devonian |
|
Protosphaeridium |
Protosphaeridium semiclausum
|
USSR(Siberia) |
Early Devonian |
|
Retusotriletes |
Retusotriletes simplex
|
USSR(Siberia) |
Early Devonian |
|
Retusotriletes |
Retusotriletes sterlibaschevensis
|
USSR(Siberia) |
Early Devonian |
|
Retusotriletes |
Retusotriletes subgibberosus
|
USSR(Siberia) |
Early Devonian |
|
Samarisporites |
Samarisporites hesperus
|
USSR(Siberia) |
Early Devonian |
|
Stenozonotriletes |
Stenozonotriletes extensus
|
USSR(Siberia) |
Early Devonian |
|
Stenozonotriletes |
Stenozonotriletes extensus
|
USSR(Siberia) |
Early Devonian |
|