Acanthodiacrodium |
Acanthodiacrodium bimorphispinae
sp. nov. |
Finland |
Middle Ordovician |
|
Acanthodiacrodium |
Acanthodiacrodium heterospinosum
sp. nov. |
Finland |
Middle Ordovician |
|
Ancyrochitina |
Ancyrochitina ancyrea
|
Finland |
Middle Ordovician |
|
Ancyrochitina |
Ancyrochitina sp
|
Finland |
Middle Ordovician |
|
Ancyrochitina |
Ancyrochitina sp
|
Finland |
Middle Ordovician |
|
Angochitina |
Angochitina
|
Finland |
Middle Ordovician |
|
Archaeohystrichosphaeridium |
Archaeohystrichosphaeridium pellicidum
|
Finland |
Middle Ordovician |
|
Aremoricanium |
Aremoricanium sp
|
Finland |
Middle Ordovician |
|
Baltisphaera |
Baltisphaera ternata
|
Finland |
Middle Ordovician |
|
Baltisphaeridium |
Baltisphaeridium brevifilicum
|
Finland |
Middle Ordovician |
|
Baltisphaeridium |
Baltisphaeridium brevispinosum
|
Finland |
Middle Ordovician |
|
Baltisphaeridium |
Baltisphaeridium calicispinae
|
Finland |
Middle Ordovician |
|
Baltisphaeridium |
Baltisphaeridium cognitum
|
Finland |
Middle Ordovician |
|
Baltisphaeridium |
Baltisphaeridium echinatum
|
Finland |
Middle Ordovician |
|
Baltisphaeridium |
Baltisphaeridium filosum
|
Finland |
Middle Ordovician |
|
Baltisphaeridium |
Baltisphaeridium globosum
sp. nov. |
Finland |
Middle Ordovician |
|
Baltisphaeridium |
Baltisphaeridium hirsutoides
|
Finland |
Middle Ordovician |
|