POLONIELLA [P. devonica] Gurich 1896,p.388 [Thlipsuridae by Bassler and Kellett 1934,p.433; Kloedenellidae-- Kloedenellinae by Henningsmoen 1953,p.242,261,275] Devonian, Poland.
POLYCERATELLA [Ulrichia kuckersiana Bonnema 1909,p.51,pl.6, f.l10-15] Opik 1937,p.e101 [?Hollinidae-Tetradellinae by Schmidt 1941,p.37;?Beyrichidae by Agnew 192, pe760; Tetradellidae-?Tetradellinae by Henningsmoen 1953,pe267] Ordovician, Estonia.
POLYCHELES [P. stevensoni] Brady and Robertson 1870,p.e25 {non Polycheles Heller 1862 = Darwinella Brady and Robertson 1872,p.50, nomenove, also preoccupied = Darwinula Brady and Robertson, nomenov.e, in Jones 1885e,p.346] Recent, Europe.
POLYCOPE [P. orbicularis] Sars 1866,p.121 [Polycopidae by Sars] Recent, off Norway.
POLYCOPIDAE Sars 1866,p.l21, a family of Cladocopa, for the genus Polycopee Sars 1928,p.1X added the genus Polycopsis, Muller 1894.
POLYCOPIFORMES Skogsberg 1920,p.158, a suborder "for all Polycopidse" = Cladocopa Sars 1866.
POLYCOPSIS [Polycope compressa Brady and Robertson 1869, pe372,ple2l,f.5-ll, designated by Sars 1923,p.37] 149
G. We Miiller 1894,p.238 [Polycopidae by Sars 1923,p.-363; 1928,p.IX] Recent, off Ireland. POLYPHYMA [P. lapworthi] Groom 1902,p.84-86 [described as an ostracod; = Conchostraca by Ulrich and Bassler 1931,p.64] Cambrian, England. [not Polyphyma Jakolev, 1877, Hem.; nor Hamm 1881, broyz., fide Neave 1939, vol.3,p.860.
POLYTYLITES [P. geniculatus] Cooper 1941,p.51 [Kirkbyidae-- Amphissitinae by Cooper] Mississippian of Illinois. POLYZYGIA {P. symmetrica] Giirich 1896,p.387 [Leperditidae by Glirich; Zygobolbidae-Drepanellinae by Bassler and Kellett 1934,p.435; ?Drepanellidae-Bassleratiinae by Schmidt 1941,p.50; Beyrichiacea of uncertain family by Henningsmoen 1953,p.27h] Devonian, Poland.
PONDERODICTYA [Cytherella (?) bispinulatus Stewart 1927, p.60,pl.5,f-18,19 = Ponderodictya bispinulata (Stewart)] Coryell and Malkin 1936,p.15 [Cytherellidae by C&M; Healdiidae by Henningsmoen 1953, pe257, 260,261] Devonian of Ontario. PONTOCYPRIA [P. spinosa] G. W. Muller 1894,p.255 [Cypridae-- Pontocyprinae by Miiller] Recent, Gulf of Naples.
PONTOCYPRIDAE Alm 1915,p.27, a "Gruppe" of Cypridae for the genera Argilloecia, Pontocypria, Erythrocypris, and Pontocypris.
PONTOCYPRIDINAE Kaufmann 1900a,p.108, subfamily of Cyprididae to include Pontocypris, Erythrocypris, Pontocypria, and Argilloecia.
PONTOCYPRINAE G. W. Miiller 1894,p.246, subfamily of Cypridae, for the genera Pontocypris, Pontocypria, Erythrocypris, and Argilloecia.
PONTOCYPRIS [3 genosyntypes: P. serrulata, P. hispida, P. trigonella. Cythere (Bairdia) mytiloides Norman 1862a,p.50,pl1.3,f.-l-3 was designated by Brady and Norman 1889,p.107, with P. serrulata as a synonym] Sars 1866 [Cypridae-Pontocyprinae by Miiller 1894, p26} Recent, off northwestern Europe. The designation of Cythere mytiloides by Sars 1923, pe 50-51, as genotype of Erythrocypris, and by Sars 1923,pe46 of P. trigonella as genotype of Pontocypris as therefore both invalid. It means that the species given by G. W. Miiller 1912, and Sars 1923 as Erythrocypris belong to Pontocypris, and those they considered Pontocypris as exemplified by P. trigonella, must now be placed in Propontocypris Sylvester-Bradley 1947,p.193.~ 151
PONTOCYTHERE [P. tchernjawskii] Dubowsky 1939,p.25 [Compared to Cyprideis and Cytheridae by Dubowsky] Recent, Black Sea.
PONTOPARTA [P. rara] Vavra 1901,p.184 [Cyprididae-Cyclocypridinae by Sharpe 1903, p.995; Cypridae-Candoninae by Gs We Muller 1912,p.126] Recent, Bismark Archipelago.
PORACYPRIDOPSIS Kaufmann 1900b,p.316, typographical error for Paracypridopsis.
POTAMOCYPRIS [Bairdia fulva Brady 1868b,p.474,pl.28,f.21] Brady 1870,p.365,366 [as subgenus of Cypris by Ge We Muller 1900,p.86; as subgenus of Cypridopsis by Alm 1915,p.83; and by Furtos 1933,p.432; Cyprididae-Cypridopsinae by Kaufmann 1900a,p.106; Cypridae-Cyprinae-Cypridopsini by Bronstein 1947, p.154] Recent, British Isles.
PRIBYLITES {P. moravicus] Pokorny 1950,p.527,589 {[ Aparchitidae by Pokorny; ?Alanellidae by Henningsmoen 1953,pe2h8, 273) Devonian, Czechoslovakia.
PRIMITIA [27 species and several varieties, the first, Beyrichia strangulata Salter 1855 was designated genotype by Miller 1889,p.561] Jones and Holl 1865, pehl5 [Beyrichiidae by Ulrich 1894,p.632; 152
Leperditiidae-Aparchitinae by Jones in Chapman 1901,p.147; Primitiidae by Bassler and Kellett 1934,pe438, and by Henningsmoen 1953,p.266, 267] Ordovician, British Isles. Several hundred specific names have been applied to this genus. PRIMITIELLA [P. constricta] Ulrich 1894,p.647 [Beyrichiidae by Ulrich; Primitiidae-Primitiinae by Bassler and Kellett 1934,pe17; Eurychilinidae-?Euprimitiinae by Henningsmoen 1953,p.229,268] Ordovician, Kentucky.
PRIMITIIDAE Ulrich and Bassler 1923a,pe297, a family of Beyrichiacea, to include Primitiella, Haploprimitia, Primitia, Laccoprimitia, Euprimitia, Halliella, Primitiopsis, Ulrichia, Bollia, Placentula, Jonesella, Dicranella, Bolbibollia, Aechmina, Paraechmina, Acronotella, Dilobella, Bursulella, with the subfamily Eurychilininae, to include Eurychilina, Coelochilina, Chilobolbina, Apatochilina, Apatobolbina.
PRIMITIIDAE of Swartz 1936,p.549, reduced to include Primitia, Primitiella, Haploprimitia, Laccorprimitia, buprimitia, Halliella, Hallatia, Pyxiprimitia, ?Milleratia, Jonesites, and Hippa.
153
PRIMITIIDAE of Schmidt 19h1,p.25 divided into subfamilies Primitiinae, Eurychilinae, Primitiopsinae. PRIMITINAE Bassler and Kellett 1934,p.l6, a subfamily of Primitiidae to include: Primitiella, Haploprimitia, Primitia, Laccoprimitia, Euprimitia, Halliella, Primitiopsis, Ulrichia, Bollia, Jonesites, Jonesella, Dicranella, Bolbibollia, Aechmina, Paraechmina, Acronotella, Bilobella, Bursulella, Monoceratina, Mooreina. This subfamily is greatly reduced by Boucek 1936,p.41, and by Schmidt 1941, p25, and is felt unnecessary by Henningsmoen 1953, who reduces the entire family Primitiidae to 4 genera.
PRIMITIOPSIDAE Swartz 1936,p.555, a family for the genus Primitiopsis.
PRIMITIOPSINAE Hessland 1949,p.239, a subfamily of Primitiidae, for the genus Primitiopsis.
?PRIMITIOPSIINAE Henningsmoen 1953,p.197, 230, 268, as a subfamily of Eurychilinidae, for the genus Primitiopsis.
PRIMITIOPSIS [P. planifrons] Jones 1887, p.5 { Beyrichiidae by Ulrich 1894,p.632; Cytheridae by Jones, in Chapman 1901,p.147; Primitiidae-Primitiinae by Bassler and Kellett 1934,p.17; Primitiopsidae by 154
Swartz 1936,p.555; Primitiidae-Primitiopsinae by Hessland 1949,p.239; Eurychilinidae-Primitiopsiinae by Henningsmoen 1953,p.268] Silurian, Gotland. PRIONOCYPRIS [Candona serrata Norman 1862a,p.46,pl.2,f.1-6; 1862b,p.146,pl1.3,f-l-6 = Cypris zenkeri Chyzer and Toth, in Chyzer, 1858,p.514, by Lowndes 1931, p.-93-97, who redefines genotype] Brady and Norman 1896 ,p.72k.
PRIONOCYTHERETTA [P. prima] Méhes 1941,p.60 [= Cytheretta by Triebel 1952, p16] Oligocene, Hungary. PROCYTHERIDEA [{P. exempla] Peterson 1954,p.171, Cytheridae, near Haplocytheridea, and Protocythere by Peterson). Jurassic, Wyoming.
PROCYTHEREIS [Cythereis (Procythereis) torquata] Skogsberg 1928,p.e17 [a subgenus of Cythereis by Skogsberg] Recent, Tierra del Guego.
PROGONOCYTHERE [(P. stilla] Sylvester-Bradley 1948b,p.189 [ Cytheridae-Progonocytherinae by S-B] Jurassic, England.
PROGONOCYTHERINAE Sylvester-Bradley 1948b,p.189, a subfamily of Cytheridae to include Progonocythere and Lophocythere.
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PROPARAPARCHITES [P. ovatus] Cooper 1941,p.62 [Leperditellidae by Cooper; Kloedenellidae-Kloedenellinae by Henningsmoen 1953,p.2h3,271] Mississippian of Illinois.
PROPLECTRUM [P. platum] Kesling and McMillan 1951,p.64 {Hollinidae by Kesling and McMillan, Devonian, Michigan.
PROPONTOCYPRIS [Pontocypris trigonella Sars 1866,p.16]) Sylvester-Bradley 1947,p.193,]new name for Erythrocypris Muller 1894,p.256; 1912,p.109, Sars 1923,p-47; Cypridae-Pontocyprinae] Recent off Northwestern Europe.
PROTEOCYPRIS [P. salina] Brady 1906,p.334% [= Cypridopsis Brady, by Ge We Muller 1912,p.208] Recent, England. PROTOCYTHERE [Cytherina triplicata Roemer 1840,p.104,pl.16, f.16] Triebel 1938b,p.180 {Cytheridae-Cytherinae by Triebel] Lower Cretaceous, Germany. PRUVOSTINA [P. wanlessi] Scott and Summerson 1943,p-670 [Cypridae by S&S] Pennsylvanian, Tennessee. PSAMMOCYTHERE [P. remanei] Klie 1936b,p.59 [Bythocytherinae by Klie, 1936b; Cytheridae-Psammocytherinae by Klie 1938a,p.e2l14] Recent, Helgoland. 156