24 PROCEEDINGS OF THE NATIONAL MUSEUM vol.69 



Anornithoporn Lang, 1916. Family Pelmatoporidae. Cretaceous cribrimorph. 



Anoferopora, new genus. Family Mamilloporidae. 



Anotopora Lang, 1910. Family Otoporidae. Cretaceous cribrimorph. 



Antropora Norman, 1903. Family Hincksinidae. 



Antropora Lang. 1916 (preoccupied). See Coelopora. 



Aplousi)in, new genus. Family Hincksinidae. 



Arachnopusia Jullien. 1886. Family Arachnopusiidae. 



Arborella Osburn, 1914. Synonym of Tctraplaria. 



Argopora Lang, 1916. Family Andrioporidae. Cretaceous cribrimorph. 



Arthropoma Levinsen, 1909. Family Escharellidae. 



Ascosia Jullien, 1882. Family Mamilloporidae. 



Aspidelectra Levinsen, 1909. Family Electrinidae. 



Aspidostoma Hincks, 1881. Family Aspidostomidae. 



Atelestozoum Hanner, 1926. Family Cellariidae. 



Auchenopora Lang, 1916. Family Andrioporidae. Cretaceous cribrimorph. 



Aulopocella Maplestone 1903. Family Celleporidae. 



Avicella Van Beneden, 1848. Synonym of Bvgula. 



Avicularia Gray, 1848. Synonym of Bugula. 



BactreUaria Marsson, 1887. Pal. Abh., vol. 4, p. 59. Type and only species, B. 



rugica Marsson, 1887. Idem, p. 59, pi. 5, fig. 18. Cretaceous. Figure 



incomplete. 

 Bactridium Reuss, 1848. Not recognized. Scrupocellaria (part) and Hippo- 



seugosella (part). 

 Balantiostoma Marsson, 1887. Perhaps a member of the Escharellidae. 



Cretaceous. 

 Baptopora Lang, 1916. Family Pelmatoporidae. Cretaceous cribrimorph. 

 Barroisina Jullien, 1886. (Probably a synonym of PUophloea.) Family 



Costulae. 

 Bathosella Canu and Bassler, 1917. Family Escharellidae. 

 Bathypora MacGillivray, 1895. Included in Amphible strum. 

 Bathystoma Marsson, 1887. Cretaceous. Perhaps Parmulariidae. 

 Batopora Reuss, 1867. Family Orbituliporidae. 



Batrachopora Lang, 1916. Family Pelmatoporidae. Cretaceous cribrimorph. 

 Beania Johnston, 1840. Family Beaniidae. 

 Beisselina Canu, 1913. Family Acroporidae. 

 Bicellaria Blainville, 1830. See Bicellariella. 

 Bicellariella Levinsen, 1909 (Bicellaria Blainville, 1830, preoccupied). Family 



Bicellariellidae. 

 Bicellarina Levinsen, 1909. Family Bicellariellidae. 

 Bicupularia Reuss, 1864. Fossil. Perhaps Orbituliporidae. Further studies 



are necessary. 

 Bifaxaria Busk, 1884. Family Bifaxariidae Busk, 1884. 

 Biflustra D'Orbigny, 1852 Bry. Cret., p. 241. Biflustra is simply a bifoliate free 



form of Anasca and has no standing as a genus. 

 Bifron^ MacGillivray, 1860. Synonym of Dimetopia. 

 Bigemellaria MacGillivray, 1895. Synonym of Tetra plana. 

 Bimicroporella Canu, 1904. Synonym of Microporella. 

 Bipora Whitelegge, 1887. Family Conescharellinidae. 



Biselenaria Gregory, 1893. Proposed in place of Diplotaxis Reuss, 1867, pre- 

 occupied. Genotype, Diplotaxis placentula. Reuss. Applies to the bilamellar 



group of Vibracellina Canu and Bassler, 1917. Family Hincksinidae. 

 Bitectipora MacGillivray, 1895. Genotype, B. lineata MacGillivray, 1895. A 



fossil genus incompletely studied. Family Bitectiporidae MacGillivray, 



1895. 



