ART 14 CHEILOSTOMATOUS BRYOZOA CANU AND BASSLER 39 



Semiflustrella D'Orbigny, 1853. Bry. Cret., p. 563. First species, 8. rhom- 

 boidalis D'Orbigny, 1852. Idem, p. 564, pi. 730, figs. 5-8, Cretaceous. 



Hemifiustrina D'Orbigny, 1853. Bry. Cret., p. 576. First species, 8. monilifera 

 D'Orbigny, 1855. Idem, p. 577, pi. "732, figs. 6-9. Included in Callopora. 

 Cretaceous. 



Semihaswellia Canu and Bassler, 1917. Family Galeopsidae or Sclerodomidae. 



Semiporina D'Orbigny, 1852. Bry. Cret., p. 439. First species, S. elegmts 

 D'Orbigny 1852. Idem, p. 440 described but not figured. Second species, 

 Vaginopora fissurella Reuss, 1848. Foss. Polyp, du Wiener, pi. 9, fig. 5. 

 Miocene of Austria, not rediscovered by Manzoni. 



Scrtella Jullien, 1903. Subgenus of Retepora. 



Setosella Hincks, 1877. Family Setosellidae. 



SetoselUna Calvet, 1906. Family Hincksinidae. 



Siniopelta Levinsen, 1909. Synonym of Costaszia. 



8iphonella Hagenow, 1851. Bry. Maastricht Kreide, p. 83. First species, 

 8. cylindrica Hagenow, 1851. Idem, p. 84, pi. 6, figs. 5. Cretaceous. 

 Incompletely known. 



Siphonicytara Busk, 1884. Family Tubucellariidae. 



Siphmioporclla Hincks, 1880. Family Steganoporellidae. 



Smittia Hincks, 1880, preoccupied. See Smittina. 



Smittina Norman, 1903. Family Smittinidae. 



Smittipora Jullien, 1881. Family Opesiulidae. A Cretaceous genus founded 

 on a poor interpretation of a figure of Smitt. 



Smittistoma Canu, 1907. Family Adeonidae. 



Solenophragma Marsson, 1887. Pal. Abh., vol. 4, p. 54. Type and only 

 species 8olenophragma haculina Marsson, 1887 (not D'Orbigny), Cre- 

 taceous. 



Solenopora Maplestone, 1903 (preoccupied). See Aulopocella. 



Sparsiporina D'Orbigny, 1852. Family Reteporidae. 



Hphaerophora Haswell, 1881. Family Orbituliporidae. 



Sphenella Duvergier, 1924. Family Eschnrellidae. 



Hpiralaria Busk, 1861. FamUy Flustridae. 



Stamcnocella Canu and Bassler, 1917. Family Alderinidae. 



Steganoporella Smitt, 1873. Family Steganoporellidae. 



8teginopora D'Orbigny, 1853. Bry. Cret., p. 499. Genotype, 8. ornata D'Or- 

 bigny, 1853. Cretaceous. Costulae. Referred by Lang to Pelmatoporidae. 



Stenopsis, new genus. Family Galeopsidae. 



Stenosipora, new genus. Family Mamilloporidae. 



Stenostomaria MacGillivray, 1895. Subgenus of Strophipora. 



8tephanollona Duvergier, 1921. Family Escharellidae. 



Stephanopora Kirkpatrick, 1888. Family Escharellidae. 



Slephanosella Canu and Bassler, 1917. Family Escharellidae. 



Stichocados Marsson 1887. Pal. Abh., vol. 4, p. 101. Type and only species, 

 8. verrticulosus Marsson, 1887. Idem, p. 101, pi. 10, fig. 15. See Lang, 

 1922, p. 174. Costulae. Cretaceous. Referred by Lang to Pelmatoporidae. 



Stichopora Hagenow, 1851. Bry. Maastricht Kreide, p. 100 Genotype. 

 8. clypeata Hagenow, 1851. Idem, p. 100, pi. 12, fig. 14, Cretaceous. 



Stichoporina Stoliczka, 1861. Family Orbituliporidae. 



Stirparia Goldstein, 1880. See 8Urpariella. 



Stirpariella Harmer, 1923. {Stirparia Goldstein, 1880, preoccupied). Synonym 

 of Caulihtigula. 



Stolanella Hincks, 1883. Family Beaniidae. 



8tomachetoseUa Canu and Bassler, 1917. Family Stomachetosellidae. 



8tomhypselosaria, new genus. Family Cellariidae. 



