Baltisphaeridium |
Baltisphaeridium sp
|
Bulgaria |
Late Arenigian |
|
Revinotesta |
Revinotesta sp
|
Bulgaria |
Late Arenigian |
|
Tectitheca |
Tectitheca contracta
|
Bulgaria |
Late Arenigian |
|
Acanthodiacrodium |
Acanthodiacrodium vavrdovae
|
Bulgaria |
Late Arenigian |
|
Acanthodiacrodium |
Acanthodiacrodium uniforme
|
Bulgaria |
Late Arenigian |
|
Coryphidium |
Coryphidium miladum
|
Bulgaria |
Late Arenigian |
|
Acanthodiacrodium |
Acanthodiacrodium sexdentatum
|
Bulgaria |
Late Arenigian |
|
Impluviculus |
Impluviculus sp
|
Bulgaria |
Late Arenigian |
|
Pirea |
Pirea capitata
|
Bulgaria |
Late Arenigian |
|
Stelliferidium |
Stelliferidium sp
|
Bulgaria |
Late Arenigian |
|
Striatotheca |
Striatotheca quieta
|
Bulgaria |
Late Arenigian |
|
Ferromia |
Ferromia filosa
|
Bulgaria |
Late Ordovician |
|
Goniosphaeridium |
Goniosphaeridium polygonale
|
Bulgaria |
Late Ordovician |
|
Micrhystridium |
Micrhystridium comatum
|
Bulgaria |
Late Ordovician |
|
Micrhystridium |
Micrhystridium inconspicuum
|
Bulgaria |
Late Ordovician |
|
Multiplicisphaeridium |
Multiplicisphaeridium chattoni
|
Bulgaria |
Late Ordovician |
|
Multiplicisphaeridium |
Multiplicisphaeridium eoplanktonicum
|
Bulgaria |
Late Ordovician |
|