Acanthodiacrodium |
Acanthodiacrodium sp
|
Bulgaria |
Ordovician |
Silurian |
Acanthodiacrodium |
Acanthodiacrodium vestitum
|
Bulgaria |
Middle Cambrian |
Late Cambrian |
Acanthotriletes |
Acanthotriletes parvispinosus
|
Bulgaria |
Early Devonian |
|
Ambitisporites |
Ambitisporites dilutus
|
Bulgaria |
Ordovician |
Silurian |
Angochitina |
Angochitina sp
|
Bulgaria |
Ordovician |
Silurian |
Archaeozonotriletes |
Archaeozonotriletes chulus
|
Bulgaria |
Ordovician |
Silurian |
Archaeozonotriletes |
Archaeozonotriletes divellomedium
|
Bulgaria |
Ordovician |
Silurian |
Aremoricanium |
Aremoricanium
|
Bulgaria |
Ordovician |
Silurian |
Azonomonoletes |
Azonomonoletes costatus
|
Bulgaria |
Early Devonian |
|
Baltisphaera |
Baltisphaera
|
Bulgaria |
Ordovician |
Silurian |
Baltisphaeridium |
Baltisphaeridium brevispinosum
|
Bulgaria |
Middle Cambrian |
Late Cambrian |
Baltisphaeridium |
Baltisphaeridium sp
|
Bulgaria |
Ordovician |
Silurian |
Chelinospora |
Chelinospora sp
|
Bulgaria |
Ordovician |
Silurian |
Conochitina |
Conochitina sp
|
Bulgaria |
Ordovician |
Silurian |
Cymatiosphaera |
Cymatiosphaera milonii
|
Bulgaria |
Early Devonian |
|
Dasyrytidodiacrodium |
Dasyrytidodiacrodium sp
|
Bulgaria |
Middle Cambrian |
Late Cambrian |
Deunffia |
Deunffia monacantha
|
Bulgaria |
Ordovician |
Silurian |