Paracucumaria, Genus
Paxillosa, Subordo
Paxillosida Perrier, 1884, Ordo
– synonym of Phanerozonia, Ordo
Phanerozonia, Ordo
Phyllophoridae, Familia
Phyllophorinae, Subfamilia
Porania, Genus
Poraniidae, Familia
Psammechinus, Genus
Pseudothyone, Genus
Psolidae, Familia
Psolus, Genus