TABLE OF CONTENTS VII 



Systematic descriptions — Continued. 



Order Chcilostomata Busk — Continued. 



Suborder Ascophora Lcvinsen — Continued. Pajje 



Family Galeopsidae Jullien, 1903 270 



Genus Galeopsis Jullien, 1903 270 



Genus Cosciniopsis Canu and Bassler, 1927 274 



Genus Gephyrophora Busk, 1884 278 



Genus Haswellia Busk, 1884 281 



Genus Cylindroporella Hincks, 1877 283 



Genus Pachystomaria MacGillivray, 1895 284 



Genus Stenopsis Canu and Bassler, 1927 284 



Genus Gigantopora Ridley, 1881 285 



Family Stomachetosellidae Canu and Bassler, 1920 286 



Genus Escharoides Milne Edwards, 1812 287 



Genus Posterula Jullien, 1902 287 



Genus Cigclisula Canu and Bassler, 1927 289 



Genus Diatosula Canu and Bassler, 1927 293 



Genus Ragionula Canu and Bassler, 1927 294 



Genus Leiosella Canu and Bassler, 1920 295 



Family Escharellidae Levinsen, 1909 295 



Subfamily Schizoporellae Canu and Bassler, 1917 295 



Genus Sphenella Duvergier, 1924 295 



Genus Strophiella Jullien, 1903 295 



Genus Arthropoma Levinsen, 1909 296 



Genus Dakaria Jullien, 1903 297 



Genus Emballotheca Levinsen, 1909 297 



Genus Schizomavclla Canu and Bassler, 1917 303 



Genus Buffonellaria Canu and Bassler, 1927 307 



Genus Lacerna Jullien 308 



Genus Gemelliporella Canu and Bassler, 1920 309 



Genus Gemelliporidra Canu and Bassler, 1927 310 



Genus Gemellipora Smitt, 1872 310 



Genus Stephanosella Canu and Bassler, 1917 314 



Genus Stylopoma Levinsen, 1909 314 



Genus Schizopodrella Canu and Bassler, 1917 317 



Genus Schizoporella Hincks, 1880 317 



Subfamily Hippoporae Canu and Bassler, 1917 319 



Genus Hippoporina Neviani, 1895 319 



Genus Hippomcnella Canu and Bassler, 1917 323 



Genus Hippodiplosia Canu, 1916 324 



Genus Cryptosula Canu and Bassler, 1925 325 



Genus Hippopleurifera Canu and Bassler, 1927 326 



Subfamily Pcristoincllae Canu and Bassler, 1917 327 



Genus Peristomella Levinsen, 1902 327 



Genus Didymosella Canu and Bassler, 1920 327 



Subfamily Microporellae Canu and Bassler, 1917 329 



Genus Fenestrulina Jullien, 1888 329 



Genus Inversiula Jullien, 1888 330 



Genus Microporella Hincks, 1877 331 



Genus Calloporina Neviani, 1895 333 



Genus Stephanopora Kirkpatrick, 1888 335 



Genus Pseudoflustra Bidenkap, 1897 335 



Family Eurystomellidae Levinsen, 1909 336 



