Baltisphaeridium |
Baltisphaeridium trichophorum
|
Nd |
Tremadocian |
Llanvirnian |
Cymatiogalea |
Cymatiogalea cristata
|
Nd |
Tremadocian |
Llanvirnian |
Baltisphaeridium |
Baltisphaeridium triradiatum
|
Nd |
Llanvirnian |
Caradocian |
Baltisphaeridium |
Baltisphaeridium tuberosum
|
Nd |
Llanvirnian |
Caradocian |
Aremoricanium |
Aremoricanium rigaudiae
|
Nd |
Llanvirnian |
Caradocian |
Baltisphaeridium |
Baltisphaeridium verrucatum
|
Nd |
Llanvirnian |
Caradocian |
Baltisphaeridium |
Baltisphaeridium varsoviense
|
Nd |
Tremadocian |
Ludlovian |
Goniosphaeridium |
Goniosphaeridium cylindricum
|
Nd |
Wenlockian |
|
Estiastra |
Estiastra barbata
|
Nd |
Wenlockian |
|
Multiplicisphaeridium |
Multiplicisphaeridium cladum
|
Nd |
Wenlockian |
|
Multiplicisphaeridium |
Multiplicisphaeridium denticulatum
|
Nd |
Wenlockian |
|
Multiplicisphaeridium |
Multiplicisphaeridium hydraferum
|
Nd |
Wenlockian |
|
Multiplicisphaeridium |
Multiplicisphaeridium alloiteauii
|
Nd |
Tremadocian |
Givetian |
Multiplicisphaeridium |
Multiplicisphaeridium malum
|
Nd |
Llanvirnian |
Emsian |
Pulvinosphaeridium |
Pulvinosphaeridium cochinum
|
Nd |
Llandoverian |
Gedinnian |
Multiplicisphaeridium |
Multiplicisphaeridium denticulatum
|
Nd |
Late Llandoverian |
Gedinnian |
Multiplicisphaeridium |
Multiplicisphaeridium pilar
|
Nd |
Late Llandoverian |
Gedinnian |