Ellipticoporata |
Ellipticoporata
|
Nd |
Nd |
|
Ellipticoporata |
Ellipticoporata lanceolaris
|
Nd |
Nd |
|
Enigmasphaera |
Enigmasphaera
|
Nd |
Nd |
|
Enigmasphaera |
Enigmasphaera eyrensis
|
Nd |
Middle Cretaceous |
|
Enneadikosocheia |
Enneadikosocheia
|
Nd |
Nd |
|
Enneadikosocheia |
Enneadikosocheia granulata
|
Nd |
Late Ordovician |
|
Enretisphaeridium |
Enretisphaeridium
|
Nd |
Nd |
|
Enretisphaeridium |
Enretisphaeridium abnormum
|
Nd |
Proterozoic |
|
Enretisphaeridium |
Enretisphaeridium metistoidum
|
Nd |
Sinian |
|
Eomarginata |
Eomarginata
|
Nd |
Nd |
|
Eomarginata |
Eomarginata striata
|
Nd |
Early Riphean |
|
Eomarginata |
Eomarginata strigosa
|
Nd |
Nd |
|
Eomicrhystridium |
Eomicrhystridium
|
Nd |
Nd |
|
Eomicrhystridium |
Eomicrhystridium aremoricanum
|
Nd |
Huronian |
|
Eomicrhystridium |
Eomicrhystridium barghoornii
|
Nd |
Huronian |
|
Eomicrhystridium |
Eomicrhystridium bohemicum
|
Nd |
Algonkian |
|
Ephelopalla |
Ephelopalla
|
Nd |
Nd |
|