Micrhystridium |
Micrhystridium stellatum
|
Bulgaria |
Ordovician |
Silurian |
Micrhystridium |
Micrhystridium tornatum
|
Bulgaria |
Ordovician |
|
Multiplicisphaeridium |
Multiplicisphaeridium chattoni
|
Bulgaria |
Ordovician |
Silurian |
Multiplicisphaeridium |
Multiplicisphaeridium eoplanktonicum
|
Bulgaria |
Ordovician |
Silurian |
Multiplicisphaeridium |
Multiplicisphaeridium ramusculosum
|
Bulgaria |
Early Devonian |
|
Multiplicisphaeridium |
Multiplicisphaeridium ramusculosum
|
Bulgaria |
Ordovician |
Silurian |
Ooidium |
Ooidium sp
|
Bulgaria |
Middle Cambrian |
Late Cambrian |
Peteinosphaeridium |
Peteinosphaeridium nudum
|
Bulgaria |
Ordovician |
Silurian |
Polygonium |
Polygonium gracile
|
Bulgaria |
Ordovician |
Silurian |
Reticulatisporites |
Reticulatisporites emsiensis
|
Bulgaria |
Early Devonian |
|
Retusotriletes |
Retusotriletes divulgatus
|
Bulgaria |
Early Devonian |
|
Retusotriletes |
Retusotriletes minor
|
Bulgaria |
Early Devonian |
|
Retusotriletes |
Retusotriletes pychovii
|
Bulgaria |
Early Devonian |
|
Retusotriletes |
Retusotriletes simplex
|
Bulgaria |
Early Devonian |
|
Retusotriletes |
Retusotriletes sp
|
Bulgaria |
Ordovician |
Silurian |
Stenozonotriletes |
Stenozonotriletes facilis
|
Bulgaria |
Early Carboniferous |
|
Stenozonotriletes |
Stenozonotriletes sp
|
Bulgaria |
Early Carboniferous |
|