 Pentactinosphaera hokurikuensis
(Nakaseko, 1955) |  Pentapylonium implicatum
Dumitrica, 1991 |
 Perichlamidium praetextum
(Ehrenberg, 1844) |  Peridium sp. cf. P. longispinum
Benson, 1966 |
 Peridium longispinum
Jørgensen, 1900 |  Periphaena decora
Ehrenberg, 1873 |
 Peripyramis circumtexta
Haeckel, 1887 |  Peromelissa phalacra
(Haeckel), 1887 |
 Phormacantha hystrix
(Jørgensen, 1900) |  Phormocyrtis proxima
Clark and Campbell, 1942 |
 Phormospyris sp.
det. Benson, 2003 |  Phormospyris sp. cf. P. ophirensis
Ehrenberg, 1872 |
 Phormospyris stabilis scaphipes
(Haeckel, 1887) |  Phormospyris stabilis capoi
Goll, 1976 |
 Phormospyris stabilis stabilis
Goll, 1976 |  Phormospyris tricostata
Haeckel, 1887 |
 Phormostichoartus caryoforma
Caulet, 1979 |  Phormostichoartus corbula
(Harting, 1863) |
 Phormostichoartus crustula
Caulet , 1979 |  Phormostichoartus fistula
Nigrini, 1977 |
 Phormostichoartus pitomorphus
Caulet, 1986 |  Phormostichoartus schneideri
Nigrini and Caulet, 1992 |
 Phormostichoartus? strongi
Hollis, 1997 |  Phorticium pylonium
Haeckel, 1887 |
 Phorticium pylonium group
Haeckel, 1887 |  Plagiacantha arachnoides
(Claparède, 1855) |
 Plannapus hornibrooki
O'Connor, 1999 |  Plannapus mauricei
O'Connor, 1999 |
 Plannapus microcephalus
(Haeckel, 1887) |  Platybursa clathrobursa
(Haeckel, 1881) |
 Plectacantha oikiskos
Jørgensen, 1905 |  Plectacantha sp.
Benson, 1966 |
 Plectacantha trichoides
Jørgensen, 1905 |  Plectopyramis dodecomma
Haeckel, 1887 |
 Podocyrtis (Podocyrtopsis) apeza
Sanfilippo and Riedel, 1992 |  Polysolenia arktios
Nigrini, 1970 |
 Porospathis holostoma
(Cleve, 1899) |  Protocystis harstoni
(Murray, 1885) |
 Protocystis tridens
(Haeckel, 1887) |  Protocystis xiphodon
(Haeckel, 1887) |
 Protoscenium simplex
(Cleve, 1899) |  Prunopyle frakesi
Chen, 1975 |
 Prunopyle tetrapila
Hays, 1965 |  Pseudocubus obeliscus
Haeckel, 1887 |
 Pseudocubus warreni
Goll, 1980 |  Pseudodictyophimus gracilipes
(Bailey, 1856) |
 Pseudodictyophimus gracilipes multispinus
Bernstein, 1934 |  Pseudodictyophimus platycephalus
(Haeckel, 1887) |
 Pseudodictyophimus tanythorax
Funakawa, 1994 |  Pterocanium auritum
Nigrini and Caulet, 1992 |
 Pterocanium elegans
(Haeckel, 1887) |  Pterocanium grandiporus
Nigrini, 1968 |
 Pterocanium korotnevi
(Dogiel, 1952) |  Pterocanium praetextum eucolpum
Haeckel, 1887 |
 Pterocanium praetextum praetextum
(Ehrenberg, 1872) |  Pterocanium prismatium
Riedel, 1957 |
 Pterocanium trilobum
(Haeckel, 1861) |  Pterocorys clausus
(Popofsky, 1913) |
 Pterocorys hertwigii
(Haeckel, 1887) |  Pterocorys hirundo
Haeckel, 1887 |
 Pterocorys longicollis
Caulet, 1986 |  Pterocorys minythorax
(Nigrini, 1968) |
 Pteropilium stratiotes
Haeckel, 1887 |  Pylonium sp.
Benson, 1966 |
