Multiplicisphaeridium |
Multiplicisphaeridium barbarum
|
Africa(Sahara) |
Tremadocian |
Arenigian |
Multiplicisphaeridium |
Multiplicisphaeridium bonitum
|
Africa(Sahara) |
Late Gothlandian |
|
Pterospermella |
Pterospermella hermosita
|
Africa(Sahara) |
Emsian |
|
Pterospermella |
Pterospermella hermosita
|
Africa(Sahara) |
Givetian |
|
Tylotopalla |
Tylotopalla gordonense
|
Africa(Sahara) |
Ludlovian |
Gedinnian |
Baltisphaeridium |
Baltisphaeridium barbarum
|
Africa(Sahara) |
Tremadocian |
Arenigian |
Ascostomocystis |
Ascostomocystis hydria
|
Alabama |
Early Eocene |
|
Domasia |
Domasia amphora
|
Alabama |
Wenlockian |
|
Domasia |
Domasia elongata
|
Alabama |
Wenlockian |
|
Multiplicisphaeridium |
Multiplicisphaeridium digitatum
|
Alabama |
Wenlockian |
|
Domasia |
Domasia limaciformis
|
Alabama |
Tarannon |
|
Domasia |
Domasia symmetrica
|
Alabama |
Late Llandoverian |
|
Multiplicisphaeridium |
Multiplicisphaeridium cymulum
|
Alabama |
Late Llandoverian |
|
Multiplicisphaeridium |
Multiplicisphaeridium denticulatum
|
Alabama |
Late Llandoverian |
|
Multiplicisphaeridium |
Multiplicisphaeridium neahgae
|
Alabama |
Late Llandoverian |
|
Multiplicisphaeridium |
Multiplicisphaeridium ramidenticulatum
|
Alabama |
Late Llandoverian |
|
Multiplicisphaeridium |
Multiplicisphaeridium visbyense
|
Alabama |
Late Llandoverian |
|