TYPHLOPSIDA Daday 1900,p.271, a Tribe of Cypridae- Candoninae for the genus Typhlocypris. UHAKIELLA [U. coelodesma] Opik 1937,p.106 [Beyrichiidae by Henningsmoen 1953,pe226,267; Primitiidae but probably synonym of Primitia by Henningsmoen 1953, p.226,267] Ordovician, Estonia.
ULLERELLA [Ullia ulli Dons, in Dons and Henningsmoen 1949, pe28,pl.1,f.1-4] Henningsmoen 1950,p.2h4, new name’ for Ullia Henningsmoen 1949, not Roewer 1943 {Beyrichiacean ostracods related to Steusloffia by Dons and Henningsmoen; Beyrichiacea of unknown family by Henningsmoen:1953,p-274] Ordovician, Norway.
ULLIA [U. ulli Dons] Henningsmoen, in Dons and Henningsmoen 1949,p.-27 [not Ullia Roewer 1943; = Ullerella, nome nove, by Henningsmoen 1950,p.244] Ordovician, Norwaye ULRICHELLA [U. remesi] Boucek 1936,p.73 [Beecherellidae by Boucek; may not be an ostracod by Agnew 19h2, pe760] Silurian, Bohemia.
ULRICHIA [U. conradi] Jones 1890b,p.543 [Beyrichiidae by Ulrich 1894,p.632; Primitiidae by Bassler and Kellett 1934,p.488; Primitiidae-Primitiinae by Boucéek 1936,p.46; Drepanellidae-Ulrichiinae by 189
Schmidt 1941,p.51l; Drepanellidae-?Bolliinae by Henningsmoen 1953,p.233,268] Devonian, Thedford, Canada.
ULRICHIINAE Schmidt 1941,p.5l, a subfamily of Drepanellidae, for the genera Ulrichia, Pseudulrichia, Pyxiprimitia, ?Jonesites, Halliella, ?Hallatia. [This subfamily = Bolliinae Boucek, 1936, by Henningsmoen 1953,p.197,233,208]).
ULWELLIA [U. menevensis] Anderson 1939,p.300 [Cypridae-- Rostocyprinae by Anderson; * subgenus of Cypridea by Sylvester-Bradley 1949,p.l26;as a genus: Cypridae-Cyprideinae by Peck 1951,p.320} Jurassic, England.
UNICORNITES [Us homeomorphus] Pokorny 1950,p.560,561 {Podocopa, no certain family by Pokorny ] Devonian, Czechoslovakia.
UROCYTHERE [U. attenuata] Howe 1951b,p.17 [Cytheridae-- Cytherinae by Howe] Eocene, Florida.
UROCYTHEREIS [Cytherina favosa Roemer 1838,p.516,pl.6,f.7] Ruggieri 1950a,p.28 [Cytheridae] Pliocene, Italy. VARGULA [Cypridina norvegica Baird 1860,p.200,pl.71,f.4,4a-d] Skogsberg 1920,p.245 [as a subgenus of Cypridina by Skogsberg] Recent off Norway.
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VARICOBAIRDIA [Bairdia (Varicobairdia) kettneri] Pokorny 1950,p.546,609 [as subgenus of Bairdia by Pokorny] Devonian, Czechoslovakia.
VARIX [V. propria] Cooper 1947,p.90 [Drepanellidae by Cooper; ?Kloedenellidae-Glyptopleurinae by Henningsmoen 1953,p.e272] Mississippian of Illinois. VENULA [Primitiopsis? striatus Croneis and Funkhouser 1938, p-340,pl.10,1-12j Cooper 1941,p.44 [Glyptopleuridae by Cooper; Kloedenellidae-Glyptopleurinae by Henningsmoen 1953,p.272] Mississippian of Illinois. VERRUCOLSELLA Neave 1950,vol.5,p.290 = Verrucosella Croneis and Gale 1939.
VERRUCOSELLA [V. golcondensis] Croneis and Gale 1939,p.275 [= Cornigella Warthin, by Cooper 1941,p.39] Mississippian of Illinois.
VERTEXIA [V. tauricornis] Lutkevich 1939,p.192,pl.XLVI, fige4 [described by Lutkevich as a phyllopod, but erroneously listed by Agnew 1944,p.219, and by Branson 1948,p.882, as an ostracod; Neave 1950, vol.5,p.e90 gives the date erroneously as 1941] Permian, USSR.
VLTAVINA [V. bohemica] Bouéek 1936,pe47 [Primitiidae-- Primitiinae by Bouéek; Acronotellidae by Agnew, 1942, p.-760, who suggests may not be an ostracod; 191
Alanellidae by Henningsmoen 1953,pe247,2733 Silurian, Bohemia.
VOGDESELLA [Melanella hemidiscus Wade 1911,p.451,f.9a,b] Baker 1924,p.187,188, new name for Melanella Wade, 1911, not Bory, 1824 [Drepanellidae-?Bolliinae by Henningsmoen 1953,p.269; = Jonesella Ulrich 1890, by Bassler and Kellett 1934,p.491] Ordovician, Walese VORONINA [V. voronensis] Polenova 1952,p.140 [Incertae Sedis by Polenova] Devonian, USSR.
W WALDRONITES [Cornulina bispinosa Coryell and Williamson 1936, pe2,fige3] Coryell and Williamson 1942, in Agnew 1942,pe760, new name for €ornulina Coryell and Williamson 1936, not Conrad 1853, Moll.; Primitiidae by C&W; Aechminidae by Agnew 1942,p.760; Drepanellidae-?Aechmininae by Henningsmoen 1953, p.e269] Silurian, Indiana.
WARTHINIA [Primitia nodosa Ulrich 1890,p.134,pl.10,f.lla-12] Spivey 1939,p.e167 [?Beyrichiidae by Agnew 1942, p.760; Drepanellidae-?Bolliinae by Henningsmoen 1953,pe233,268] Ordovician, or Silurian, Cincinnati, Ohiode 192
WAYLANDELLA [W. spinosa] Coryell and Billings 1932,p.175 {[Bairdiidae by C&B] Pennsylvanian, Texas. WELLERIA [W. obliqua] Ulrich and Bassler 1923a,p.307 [Zygobolbidae-Kloedeninae by Bassler and Kellett 1934,pe492; Beyrichiidae-Beyrichiinae by Henningsmoen 1953,p.238,269] Silurian, West Virginia.
WHIPPLELLA (W. cuneiformis] Holland 1934,p.343 [Aparchitidae by Holland; Primitiidae by Agnew 192, p.760; Cypridae by Scott 1944,p.l42 = Carbonita by Cooper 1946,p.66] Permian, Pennsylvania. WINCHELLATIA [W. longispina] Kay 1940a,p.253 [Primitiidae-- Eurychilininae by Kay; Hollinidae-Ctenentominae by Schmidt 1941,p.343 Sigmoopsiidae-?Sigmoopsiinae by Henningsmoen 1953,p.207,212,236,266] Ordovician, Towae WORKMANELLA [W. distincta] Croneis and Gale 1939,p.277 [Kirkbyidae by C&G; = Tetrasacculus by Cooper 1941,p.63] Mississippian of Illinois. XENOCYTHERE [Cythere cuneiformis Brady 1868b,p.404,pl.31, f.47-54)] Sars 1925,p.179 [Cytheridae-Cytherinae by Triebel 1949,p.186] Recent, North Atlantic. 193
XESTOLEBERINAE Sars 1928,n.2kh2, a subfamily of Cytheridae i ee re ee Metacypris.
XESTOLEBERIS [2 snecies: Cythere nitida Liljeborg, and C. auriantia Baird 1838, vol.2,p.143,n1.5,f.26; the latter being designated type by Brady and Norman 18869,p.188] Sars 1866,p.66,67 { Cytheridae-- Xestoleberinae by Sars 1928,p.242] Recent, North Atlantic, more than 100 described species. XJPHICHILUS [2 species: Bythocythere tertissima Norman 1869,p.294 * Xiphichilus tenvissimus (Norman) by Brady; and X. amygdaloides,n.snp.! Brady 1870, p.369 [not Xiphocheilus Bleeker 1856 = Machaerina Brady and Norman 1889,p.237, nom.enov.! Recent, British Isles.
XYSTINOTUS [X. wriehtorum: Kesling 1953a,n.197 [Drenanellidae by Kesling! Devonian, Ontario.
YOUNGIA ‘Y. rectidorsalis] Jones and Kirkby 1886c,p.517; Jones and Kirkby 1887,p.515 !Cytheridae by Ulrich 1894,7.632; not Youngia Lindstrom 1885, a Trilobite; * Youngiella Jones and Kirkby 1895,0.456, nom.enov. | 194
YOUNGIELLA [Youngia rectidorsalis Jones and Kirkby 1886, pe515 = Youngiella rectidorsalis Jones and Kirkby 1895,p.456,pl.21,fog.5a-d) Jones and Kirkby 1895, pe456, nomenov.e, for Youngia [Youngiellidae by Kellett 1933,p.103] Carboniferous, England. YOUNGIELLIDAE Kellett 1933,p.103, a family to include Youngiella and Moorites. Henningsmoen 1953, p.2h6, 273 adds: ?Moorea, and ?Hardinia.
ZABOROVIA [Z. obscura] Polenova 1952,0.69 [Leperditellidae by Polenova] Devonian, USSR.
ZONOCYPRIS [Z. madagascarensis, Z. elegans] G. W. Muller, 1898,p.284 [Cyprididae-Cypridopsinae by Sharpe 1903,p.990; Cypridae=Cyprinae by G. W. Muller 1912,p.217] Recent, Madagascar.
ZONOZOE (Z. drabowiensis, Ze complexa] Barrande 1872,p.55h, “Middle Silurian" Bohemia.
ZYGOBEYRICHIA [Z. apicalis] Ulrich 1916,p.290 [{Beyrichiidae by Ulrich; Zygobolbidae-Kloedeninae by Bassler and Kellett 193h,peh9kh; Beyrichiidae-Beyrichiinae by Henningsmoen 1953,pe238,269] Devonian, Maine. 195
ZYGOBOLBA [Beyrichia decora Billings 1866,p.67 = Zyzobolba decora (Billings) Ulrich and Bassler 1923,p.537, pl.39,f0l15=22; plekO,fell-14; pl.64,f.21-25] Ulrich and Bassler 1923a,p.308 [Zygobolbidae-- Kloedeninae by U&B; Beyrichiidae-Zygobolbinae by Henningsmoen 1953,pe269] Silurian, Anticosti. ZYGOBOLBIDAE Ulrich and Bassler 1923a,p.30h, a family of Beyrichiacea, composed of the subfamilies: Zygobolbinae, Drepanellinae, and Kloedeninae. ZYGOBOLBINAE Ulrich and Bassler 1923a,p.e304, a subfamily of Zygobolbidae to include: Zygobolba, Zygobolbina, Zygosella, and Bonnemaia.
ZYGOBOLBINAE of Henningsmoen 1953,p.238,269, a subfamily of Beyrichiidae to include: Zygobolba, Zygobolbina, Zygosella, Mastigobolbina, Plethobolbina, Bonnemaia, and ?Craspedobolbina.
ZYGOBOLBINA [Z. conradi] Ulrich and Bassler 1923a,p.305 [ Zygobolbidae-Zygobolbinae by U&B; Beyrichiidae-- Zygobolbinae by Henningsmoen 1953,p.269] Silurian of New York.
ZYGOBOLBOIDES [Z. grafensis] Spivey 1939,p.169 [Zygobolbinae by Spivey; Zygobolbidae by Agnew 1942,p.761;3 Drepanellidae-?Bolliinae by Henningsmoen 1953, pe268] Ordovician, Iowa.
196