Passalosphaera |
Passalosphaera
|
Nd |
Nd |
|
Passalosphaera |
Passalosphaera minuta
|
Nd |
Arenigian |
|
Paucilobimorpha |
Paucilobimorpha
|
Nd |
Nd |
|
Paucilobimorpha |
Paucilobimorpha granuligera
|
Nd |
Bartonian |
|
Paucilobimorpha |
Paucilobimorpha tripus
|
Nd |
Bartonian |
|
Paucilobimorpha |
Paucilobimorpha triradiata
|
Nd |
Bartonian |
|
Pavlovskya |
Pavlovskya
|
Nd |
Nd |
|
Pavlovskya |
Pavlovskya evgenia
|
Nd |
Late Precambrian |
|
Peltacystia |
Peltacystia
|
Nd |
Nd |
|
Peltacystia |
Peltacystia calvitia
|
Nd |
Late Permian |
|
Peltacystia |
Peltacystia galeoides
|
Australia(W.Australia) |
Late Artinskian |
|
Peltacystia |
Peltacystia monilis
|
Nd |
Late Permian |
|
Peltacystia |
Peltacystia venosa
|
Nd |
Late Permian |
|
Pentapsis |
Pentapsis
|
Nd |
Nd |
|
Pentapsis |
Pentapsis valdiviae
|
Nd |
Aptian |
|
Peramorpha |
Peramorpha
|
Nd |
Nd |
|
Peramorpha |
Peramorpha manuelsensis
|
Nd |
Early Cambrian |
|