VIII TABLE OF CONTENTS 



Systematic descriptions — Continued. 



Order Cheilostomata Busk — Continued. 



Suborder Ascophora Levinsen — Continued. P&B e 



Family Smittinidae Levinsen, 1909 336 



Genus Marguetta Jullien, 1903 336 



Genus Malleatia Jullien, 1903 337 



Genus Smittina Norman, 1903 337 



Genus Mucronella Hincks, 1880 352 



Genus Porella Gray, 1848 352 



Genus Palmicellaria Alder, 1864 353 



Genus Rhamphostomella Lorenz, 1886 353 



Family Tubucellariidae Busk, 1884 354 



Genus Tubucellaria D'Orbigny, 1852 354 



Family Reteporidae Smitt, 1867 359 



Genus Retepora Imperato, 1599 361 



Genus Schizellozoon Canu and Bassler, 1917 370 



Genus Triphyllozoon Canu and Bassler, 1917 372 



Genus Rhynchozoon Hincks, 1891 374 



Genus Lepraliella Levinsen, 1916 374 



Genus Psileschara Busk, 1860 375 



Genus Sparsiporina D'Orbigny, 1851 375 



Family Adeonidae Jullien, 1903 376 



Genus Adeona (Lamouroux, 1816) Levinsen, 1909 376 



Genus Adeonella (Busk, 1884) Waters, 1888 379 



Genus Adeonellopsis MacGillivray, 1886 382 



Genus Dimorphocella Maplestone, 1903 384 



Genus Bracebridgia MacGillivray, 1886 384 



Genus Triporula Canu and Bassler, 1927 385 



Family Hippopodinidae Levinsen, 1909 385 



Genus Cheilopora Levinsen, 1909 386 



Genus Cheiloporina Canu and Bassler, 1923 387 



Genus Tremoschizodina Duvergier, 1922 389 



Genus Hippaliosina Canu, 1918 391 



Genus Tetraplaria Tenison- Woods, 1878 394 



Genus Pollaploecium Maplestone, 1908 396 



Genus Diploecium Kirkpatrick, 1888 396 



Genus Hippopodinella Barroso, 1924 397 



Family Parmulariidae Maplestone, 1912 397 



Genus Parmularia Maplestone, 1910 397 



Family Phylactellidae Canu and Bassler, 1917 403 



Genus Perigastrella Canu and Bassler, 1917 403 



Genus Psilopsella Canu and Bassler, 1927 405 



Genus Lagenipora Hincks, 1877 406 



Genus Alysidota Busk, 1856 406 



Genus Phylactella Hincks, 1880 407 



Genus Teuchopora Neviani, 1895 407 



Genus Cheilonella Koschinsky, 1885 408 



Family Crepidacanthidae Levinsen, 1909 408 



Genus Crepidacantha Levinsen, 1909 408 



Genus Mastigophora Hincks, 1880 412 



Genus Nimbella Jullien, 1903 416 



