Orthosphaeridium |
Orthosphaeridium chondrodora
|
Nd |
Caradocian |
Ashgillian |
Orthosphaeridium |
Orthosphaeridium octospinosum
|
Nd |
Caradocian |
Ashgillian |
Peteinosphaeridium |
Peteinosphaeridium trifurcatum
|
Nd |
Caradocian |
Ashgillian |
Multiplicisphaeridium |
Multiplicisphaeridium lobeznum
|
Nd |
Caradocian |
Emsian |
Multiplicisphaeridium |
Multiplicisphaeridium loriferum
|
Nd |
Caradocian |
Frasnian |
Multiplicisphaeridium |
Multiplicisphaeridium paraguaferum
|
Nd |
Late Llandoverian |
Frasnian |
Multiplicisphaeridium |
Multiplicisphaeridium winslowiae
|
Nd |
Tournaisian |
|
Multiplicisphaeridium |
Multiplicisphaeridium robustum
|
Nd |
Givetian |
|
Baltisphaeridium |
Baltisphaeridium nanninum
|
Nd |
Early Llandoverian |
Ludlovian |
Baltisphaeridium |
Baltisphaeridium nanum
|
Nd |
Late Llandoverian |
Ludlovian |
Multiplicisphaeridium |
Multiplicisphaeridium denticulatum
|
Nd |
Late Llandoverian |
Ludlovian |
Multiplicisphaeridium |
Multiplicisphaeridium denticulatum
|
Nd |
Late Llandoverian |
Ludlovian |
Multiplicisphaeridium |
Multiplicisphaeridium cymosum
|
Nd |
Gedinnian |
|
Multiplicisphaeridium |
Multiplicisphaeridium cymulum
|
Nd |
Late Llandoverian |
Wenlockian |
Multiplicisphaeridium |
Multiplicisphaeridium pilar
|
Nd |
Late Llandoverian |
Gedinnian |
Multiplicisphaeridium |
Multiplicisphaeridium piriferum
|
Nd |
Late Llandoverian |
Wenlockian |
Multiplicisphaeridium |
Multiplicisphaeridium piriferum
|
Nd |
Late Llandoverian |
Wenlockian |