30 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



Fleming, 1828 (Ternicellaria D'Orbigny, 1851; Bugulopsis Verrill, 

 1880); Menipea Lamouroux, 1816 (Emma Gray, 1843); Maplestonia 

 MacGillivray, 1884. 



Family BICELLARIELLIDAE Levinsen, 1909 



Bicellariella Levinsen, 1909; Bicellaria Blainville, 1830, preoc- 

 cupied); Dimetopia Busk, 1852; Cornucopina Levinsen, 1909; Peta- 

 lostegus Levinsen, 1909; Bicellarina Levinsen, 1909; Dimorpliozoum 

 Levinsen, 1909; Calyptozoum Harmer, 1926. 



Family BEANIIDAE Canu and Bassler, 1927 



Beania Johnston, 1848 (Chaunosia Busk, 1867); subgenus Diachoris 

 Busk, 1852; Stolonella Hincks, 1883. 



Family EPISTOMIIDAE Gregory, 1903 



Epistomia Fleming, 1828; Synnotum (Pieper, 1881) Hincks, 1886. 



Suborder Ascophora Levinsen, 1909 



Family COSTULAE Jullien, 1888 



Collarina Jullien, 1888; Decurtaria Jullien, 1886; Lyrula Jullien* 

 1888; Costula Jullien, 1886; Barroisina Jullien, 1886; Scorpiodina 

 Jullien, 1886; Colletosia Jullien, 1886; Mumiella Jullien, 1886; 

 Steginopora D'Orbigny, 1851 (subgenera Ubaghsia Jullien, 1886; 

 Thoracophora Jullien, 1886); Murinopsia Jullien, 1880 (Lagodiop- 

 sis Marsson, 1887); Puellina Jullien, 1886; Metracolposa Canu and 

 Bassler, 1917; Kelestoma Marsson, 1887; Distansescharella D'Or- 

 bigny, 1852; Corbulipora MacGillivray, 1895; Figularia -Jullien, 

 1886, Reginella Jullien, 1886; Jolietina Jullien, 1886; Pliophloea 

 Gabb and Horn, 1862; Pleuroschiziella Canu, 1918; Lepralina 

 Kiihn, 1925. 



Family MYAGROPORIDAE Lang, 1916 2 

 Myagropora Lang, 1916. 



Family OTOPORIDAE Lang, 1916 2 

 Otopora, Anotopora, and Anaptopora, all of Lang, 1916. 



Family CTENOPORIDAE Lang, 1916 2 

 Ctenopora Lang, 1916. 



Family THORACOPORIDAE Lang, 1916 2 

 Thoracopora Lang, 1916. 



1 The families so marked contain the many Cretaceous cribrimorph genera founded mainly by Lang. 

 We have had no opportunity to study these geneia and they are included at this point to complete the 

 generic list 



