Ordovicidium |
Ordovicidium
|
Nd |
Nd |
|
Ordovicidium |
Ordovicidium sp
|
Virginia |
Caradocian |
|
Orygmahapsis |
Orygmahapsis
|
Nd |
Nd |
|
Ovoidites |
Ovoidites
|
Nd |
Nd |
|
Papulogabata |
Papulogabata annulata
|
Australia(W.Australia) |
Frasnian |
|
Pekmezcileripollenites |
Pekmezcileripollenites
|
Nd |
Nd |
|
Peltacystia |
Peltacystia
|
Nd |
Nd |
|
Peltacystia |
Peltacystia venosa
|
Australia(W.Australia) |
Late Permian |
|
Peteinosphaeridium |
Peteinosphaeridium
|
Nd |
Nd |
|
Peteinosphaeridium |
Peteinosphaeridium majorfurcatum
|
Sweden(Gotland) |
Middle Ordovician |
|
Peteinosphaeridium |
Peteinosphaeridium trifurcatum
|
Nd |
Nd |
|
Polyancistrodorus |
Polyancistrodorus
|
Nd |
Nd |
|
Polyancistrodorus |
Polyancistrodorus intricatus
|
Virginia |
Caradocian |
|
Polyedryxium |
Polyedryxium
|
Nd |
Nd |
|
Polyedryxium |
Polyedryxium embudum
|
Australia(W.Australia) |
Frasnian |
|
Pseudoschizaea |
Pseudoschizaea
|
Nd |
Nd |
|
Psiloschizosporis |
Psiloschizosporis
|
Nd |
Nd |
|