Evittia |
Evittia mala
|
Nd |
Nd |
|
Evittia |
Evittia rabiosa
|
Nd |
Nd |
|
Evittia |
Evittia remota
|
Nd |
Nd |
|
Evittia |
Evittia sanpetrensis
|
Nd |
Nd |
|
Evittia |
Evittia sartbernardensis
|
Nd |
Nd |
|
Evittia |
Evittia sommeri
|
Nd |
Nd |
|
Evittia |
Evittia thyrae
|
Nd |
Nd |
|
Evittia |
Evittia tolontola
|
Nd |
Nd |
|
Evittia |
Evittia tribrachiata
|
Nd |
Nd |
|
Florisphaeridium |
Florisphaeridium castellum
|
England |
Ludlovian |
|
Florisphaeridium |
Florisphaeridium guillermii
|
Spain |
Middle Siegenian |
Emsian |
Florisphaeridium |
Florisphaeridium huecospinosum
|
Spain |
Emsian |
|
Goniosphaeridium |
Goniosphaeridium ancyreum
|
England |
Wenlockian |
|
Goniosphaeridium |
Goniosphaeridium ancyreum
|
Kentucky |
Late Llandoverian |
|
Goniosphaeridium |
Goniosphaeridium balticum
|
Baltic |
Early Ordovician |
|
Goniosphaeridium |
Goniosphaeridium balticum
|
Kentucky |
Late Llandoverian |
|
Goniosphaeridium |
Goniosphaeridium conjunctum
|
Sweden |
Ordovician |
|