Multiplicisphaeridium |
Multiplicisphaeridium ramusculosum
|
Bulgaria |
Late Ordovician |
|
Peteinosphaeridium |
Peteinosphaeridium nudum
|
Bulgaria |
Late Ordovician |
|
Polygonium |
Polygonium gracile
|
Bulgaria |
Late Ordovician |
|
Veryhachium |
Veryhachium fakirum
|
Bulgaria |
Late Ordovician |
|
Veryhachium |
Veryhachium lairdii
|
Bulgaria |
Late Arenigian |
Late Ordovician |
Veryhachium |
Veryhachium minutum
|
Bulgaria |
Late Arenigian |
Late Ordovician |
Veryhachium |
Veryhachium trispinosum
|
Bulgaria |
Late Ordovician |
|
Acanthodiacrodium |
Acanthodiacrodium sp
|
Bulgaria |
Late Arenigian |
Late Ordovician |
Veryhachium |
Veryhachium irroratum
|
Bulgaria |
Late Ordovician |
|
Deunffia |
Deunffia monacantha
|
Bulgaria |
Late Ordovician |
|
Acanthodiacrodium |
Acanthodiacrodium convexum
|
Bulgaria |
Late Arenigian |
|
Micrhystridium |
Micrhystridium mambla
|
Bulgaria |
Late Arenigian |
|
Micrhystridium |
Micrhystridium sp
|
Bulgaria |
Late Arenigian |
|
Striatotheca |
Striatotheca principalis
|
Bulgaria |
Late Arenigian |
|
Striatotheca |
Striatotheca sp
|
Bulgaria |
Late Arenigian |
|
Lophosphaeridium |
Lophosphaeridium sp
|
Bulgaria |
Late Arenigian |
|
Acanthodiacrodium |
Acanthodiacrodium intercalare
|
Bulgaria |
Late Arenigian |
|