Multiplicisphaeridium |
Multiplicisphaeridium grosjeanii
|
Nd |
Frasnian |
|
Multiplicisphaeridium |
Multiplicisphaeridium paleozoicum
|
Nd |
Frasnian |
|
Multiplicisphaeridium |
Multiplicisphaeridium trispinoramosum
|
Nd |
Frasnian |
|
Baltisphaeridium |
Baltisphaeridium coutissianum
|
Nd |
Llandoverian |
Ludlovian |
Baltisphaeridium |
Baltisphaeridium microspinosum
|
Nd |
Tremadocian |
Ludlovian |
Baltisphaeridium |
Baltisphaeridium nanninum
|
Nd |
Llanvirnian |
Llandeilian |
Baltisphaeridium |
Baltisphaeridium nanum
|
Nd |
Llanvirnian |
Ashgillian |
Multiplicisphaeridium |
Multiplicisphaeridium arbusculiferum
|
Nd |
Llandoverian |
Ludlovian |
Multiplicisphaeridium |
Multiplicisphaeridium borracherosum
|
Nd |
Late Llandoverian |
Ludlovian |
Multiplicisphaeridium |
Multiplicisphaeridium brevifurcatum
|
Nd |
Early Llandoverian |
Ludlovian |
Multiplicisphaeridium |
Multiplicisphaeridium denticulatum
|
Nd |
Early Llandoverian |
Ludlovian |
Multiplicisphaeridium |
Multiplicisphaeridium eoplanktonicum
|
Nd |
Late Llandoverian |
Ludlovian |
Multiplicisphaeridium |
Multiplicisphaeridium erraticum
|
Nd |
Late Llandoverian |
Ludlovian |
Multiplicisphaeridium |
Multiplicisphaeridium euernes
|
Nd |
Late Llandoverian |
Ludlovian |
Multiplicisphaeridium |
Multiplicisphaeridium fisheri
|
Nd |
Early Llandoverian |
Ludlovian |
Multiplicisphaeridium |
Multiplicisphaeridium illinoii
|
Nd |
Late Llandoverian |
Ludlovian |
Multiplicisphaeridium |
Multiplicisphaeridium meson
|
Nd |
Late Llandoverian |
Ludlovian |