Phthanoperidinium |
Phthanoperidinium illustrans
|
Nd |
Nd |
|
Phthanoperidinium |
Phthanoperidinium indistinctum
|
Nd |
Nd |
|
Phthanoperidinium |
Phthanoperidinium lambdoideum
|
Nd |
Nd |
|
Phthanoperidinium |
Phthanoperidinium multispinum
|
Nd |
Nd |
|
Phthanoperidinium |
Phthanoperidinium resistente
|
Nd |
Nd |
|
Pithonella |
Pithonella gustafsonii
|
Nd |
Nd |
|
Pithonella |
Pithonella paratabulata
|
Nd |
Nd |
|
Pithonella |
Pithonella patriciagreeleyae
|
Nd |
Nd |
|
Pocockia |
Pocockia cincta
|
Nd |
Late Neocomian |
Early Aptian |
Protoperidinium |
Protoperidinium avellana
|
Nd |
Recent |
|
Protoperidinium |
Protoperidinium compressum
|
Nd |
Recent |
|
Protoperidinium |
Protoperidinium excentricum
|
Nd |
Nd |
|
Protoperidinium |
Protoperidinium minutum
|
Nd |
Nd |
|
Protoperidinium |
Protoperidinium thorianum
|
Nd |
Recent |
|
Protoperidinium |
Protoperidinium adulterum
|
Nd |
Nd |
|
Protoperidinium |
Protoperidinium applanatum
|
Nd |
Nd |
|
Protoperidinium |
Protoperidinium archiovatum
|
Nd |
Nd |
|