Peteinosphaeridium |
Peteinosphaeridium nudum
|
Nd |
Llanvirnian |
Wenlockian |
Peteinosphaeridium |
Peteinosphaeridium paucifurcatum
|
Nd |
Tremadocian |
Arenigian |
Peteinosphaeridium |
Peteinosphaeridium saharicum
|
Nd |
Ludlovian |
|
Peteinosphaeridium |
Peteinosphaeridium trifurcatum
|
Nd |
Tremadocian |
Ashgillian |
Peteinosphaeridium |
Peteinosphaeridium trifurcatum
|
Nd |
Tremadocian |
Ashgillian |
Peteinosphaeridium |
Peteinosphaeridium trifurcatum
|
Nd |
Tremadocian |
Arenigian |
Peteinosphaeridium |
Peteinosphaeridium trifurcatum
|
Nd |
Caradocian |
Ashgillian |
Peteinosphaeridium |
Peteinosphaeridium velatum
|
Nd |
Llanvirnian |
Llandeilian |
Polyancistrodorus |
Polyancistrodorus columbariferus
|
Nd |
Llanvirnian |
Llandeilian |
Pulvinosphaeridium |
Pulvinosphaeridium cochinum
|
Nd |
Llandoverian |
Gedinnian |
Pulvinosphaeridium |
Pulvinosphaeridium parvum
|
Nd |
Late Llandoverian |
Emsian |
Pulvinosphaeridium |
Pulvinosphaeridium pulvinellum
|
Nd |
Late Llandoverian |
Wenlockian |
Tunisphaeridium |
Tunisphaeridium caudatum
|
Nd |
Llandoverian |
|
Tunisphaeridium |
Tunisphaeridium parvum
|
Nd |
Llandoverian |
Ludlovian |
Tunisphaeridium |
Tunisphaeridium tentaculaferum
|
Nd |
Llandoverian |
Ludlovian |
Tylotopalla |
Tylotopalla caelamenicutis
|
Nd |
Late Llandoverian |
|
Tylotopalla |
Tylotopalla digitifera
|
Nd |
Late Llandoverian |
|