Solisphaeridium |
Solisphaeridium seminudum
|
Nd |
Danian |
|
Solisphaeridium |
Solisphaeridium solare
|
Nd |
Early Arenigian |
|
Solisphaeridium |
Solisphaeridium solidispinosum
|
Nd |
Early Arenigian |
|
Solisphaeridium |
Solisphaeridium solidum
|
Nd |
Late Permian |
|
Solisphaeridium |
Solisphaeridium spinoglobosum
|
Nd |
Late Devonian |
|
Solisphaeridium |
Solisphaeridium spinulatum
|
Nd |
Late Permian |
|
Solisphaeridium |
Solisphaeridium stimuliferum
|
Nd |
Late Jurassic |
|
Solisphaeridium |
Solisphaeridium stimuliferum
|
Nd |
Paleocene |
|
Solisphaeridium |
Solisphaeridium stimuliferum
|
Nd |
Late Jurassic |
|
Solisphaeridium |
Solisphaeridium watrousense
|
Nd |
Jurassic |
|
Solita |
Solita
|
Nd |
Nd |
|
Solita |
Solita plana
|
Nd |
Silurian |
|
Solita |
Solita radians
|
Nd |
Ludlovian |
Early Gedinnian |
Solita |
Solita radiofurcata
|
Nd |
Ludlovian |
Early Gedinnian |
Somphophragma |
Somphophragma
|
Nd |
Nd |
|
Somphophragma |
Somphophragma miscella
|
Nd |
Frasnian |
|
Sphaeromorpha |
Sphaeromorpha
|
Nd |
Nd |
|