Pirumella |
Pirumella patriciagreeleyae
|
Nd |
Nd |
|
Polykrikos |
Polykrikos
|
Nd |
Nd |
|
Polykrikos |
Polykrikos schwartzii
|
Canada(Eastern Offshore) |
Recent |
|
Polysphaeridium |
Polysphaeridium
|
Nd |
Nd |
|
Prolixosphaeridium |
Prolixosphaeridium parvispinum
|
England |
Oxfordian |
|
Prorocentrum |
Prorocentrum
|
Nd |
Nd |
|
Protoceratium |
Protoceratium
|
Nd |
Nd |
|
Protodinium |
Protodinium
|
Nd |
Nd |
|
Protodinium |
Protodinium chattonii
|
Nd |
Nd |
|
Protoellipsodinium |
Protoellipsodinium
|
Nd |
Nd |
|
Protoperidinium |
Protoperidinium
|
Virginia |
Tortonian |
|
Protoperidinium |
Protoperidinium avellana
|
Nd |
Nd |
|
Protoperidinium |
Protoperidinium claudicans
|
Nd |
Nd |
|
Protoperidinium |
Protoperidinium conicoides
|
Nd |
Nd |
|
Protoperidinium |
Protoperidinium conicum
|
Nd |
Nd |
|
Protoperidinium |
Protoperidinium denticulatum
|
Nd |
Nd |
|
Protoperidinium |
Protoperidinium depressum
|
Nd |
Nd |
|