Favososphaeridium |
Favososphaeridium favosum
|
Sweden |
Precambriam |
|
Huroniospora |
Huroniospora sp
|
Nd |
Precambriam |
|
Kildinella |
Kildinella hyperboreica
|
Sweden |
Precambriam |
|
Kildinella |
Kildinella sinica
|
Sweden |
Precambriam |
|
Kildinosphaera |
Kildinosphaera chagrinata
|
Michigan |
Late Ordovician |
|
Leiosphaeridia |
Leiosphaeridia sp
|
Michigan |
Late Ordovician |
|
Protosphaeridium |
Protosphaeridium flexuosum
|
Sweden |
Precambriam |
|
Protosphaeridium |
Protosphaeridium laccatum
|
Sweden |
Precambriam |
|
Protosphaeridium |
Protosphaeridium papyraceum
|
Sweden |
Precambriam |
|
Stictosphaeridium |
Stictosphaeridium sinapticuliferum
|
Sweden |
Precambriam |
|
Stictosphaeridium |
Stictosphaeridium sp
|
Sweden |
Precambriam |
|
Stictosphaeridium |
Stictosphaeridium verrucatum
|
Sweden |
Precambriam |
|
Trachysphaeridium |
Trachysphaeridium apertum
|
Sweden |
Precambriam |
|
Trachysphaeridium |
Trachysphaeridium laminaritum
|
Sweden |
Precambriam |
|
Trachysphaeridium |
Trachysphaeridium laufeldii
|
Sweden |
Precambriam |
|
Trachysphaeridium |
Trachysphaeridium leve
|
Sweden |
Precambriam |
|
Trachysphaeridium |
Trachysphaeridium sp
|
Michigan |
Late Ordovician |
|