NO. 2238. NOMENCLATURE OF THE FAMILY TURRITIDAE—DALL. 329 



Moniliopsis Conrad, 1865, Amer. Journ. Conch., vol. 1, p. 143. Type, PL 

 plaborata Conrad, 1832, Fos. Sh. Tert. form. 1, p. 52, pi. 17, fig. 19. Recalls 

 Surcida inermis Carpenter but has a sutural band and much moi'e emphatic 

 and elegant sculpture. Conrad's figure is very inadequate. 



Nannodiella Dall, 1918. Type, N. nana Dall. 



Nicolia Gregorio (not seen). Not Nicolia Malmgren, Verm. 1865. 



Oenopota Morch, Yoldi Cat., vol. 1, p. 78, 1852. 1st sp. PL pleurotomaria 

 Couthouy. -\-Onopota H. and A. Adams, 1858, Gen., p. 654. + BeJa auct. not 

 (Leach MS.) Gray, 1847. =Lora Gistel, 1848. 



Oligotoma Bellardi, 1875, p. 235. Type, O. meneghinii Mayer. 1=PL bas- 

 teroti Desmoulins, 1842. Not Oligotoma Westwood, 1836. See Asthenotoma 

 Harris and Buri'ows, Eoc. and Olig. Paris, 1897, p. 48, new name for Oligotoma 

 Bellardi preoccupied, 



Onopota. See Oenopota Morch. 



Orthosurcula Casey, Trans. St. Louis Acad., vol. 14, 1904, p. 151. Types 

 named are PL longi forma Aldrich (Red Bluff) and Surcula transversaria 

 Lamarck. Cossmann, 1906, Essais, p. 222, refers this to Surcula s. s. 



? Otitoma Jousseaume, 1898, Le Naturaliste, p. 106. Type, 0. otitoma Jous- . 

 seaume, Le Naturaliste, 1898, p. 106. Red Sea (not seen). 'i—PMlhertia 

 Monterosato, 1884. 



Otocheilus Conrad, Amer. Journ. Conch., vol. 1, 1865, p. 24. Type, Fulgoraria 

 mississippiensis Conrad, 1848. Eocene. Cited by Tryon Man., p. 159. This is 

 placed by Tryon in Pleurotomidae but is really a synonym or section of Lyria 

 in the Volutidae where Conrad placed it. 



Oxyacrum Cossmann, 1889, Cat. lUustr., p. 274 ; 1896, Essais Pal., p. 82. Type 

 PL obliterata Deshayes. Eocene. 



Paraclathurella Boettger, 1895. Nachrhl. d. Deutsche Mai. Ges., pp. 52, 56. 

 Type, PL gracilenta Reeve, + PZ. fusoides Reeve. Philippines. Small slender 

 Indopacific Clathurellas in the usually accepted sense. 



Peratotoma Harris and Burrows, 1891, Eoc. and Olig. Paris, p. 113. new name 

 for Homotoma Bellardi, 1875, not Guerin-Meneville, 1829-38. 



Perrona Schumacher, Essai, p. 218, 1817. Type, Murex perroyi Chemnitz, 

 Conch. Cab., vol. 10, figs. 1573-4, +Pcrronia Gray, Syn., 1842. +Perronium 

 Blainville, Diet. Sci., 1825, vol. 38, p. 528. The type equals P. tritonum Schu- 

 macher, Essai, p. 218, ISll ,-\-Pleurotom,a perronii Reeve, 1843,+ Murex perron 

 Gmelin, 1792. 



Phandella Casey, Proc. Acad. Nat. Sci. Phila., 1903, p. 272. Monotype, P. 

 nepionica Casey, Proc. Acad. Nat. Sci. Phila., 1903, p. 272. Upper Vicksburgian. 

 Cossmann, 1906, Essais, p. 223, suspends judgment for Avant of data. 



Philbertia Monterosato, Sin. Medit. 1884, p. 132. Type, Pleurotoma hicolor 

 'R\^^o.-\-pMlherti Michaud,+pMrpmea (Montagu) Bucquoy, Dautzenberg, and 

 DoUfus, var. hicolor. Heterotomatae Bellardi, 1847, not Heterotoma Hartmaun, 

 1844 •,+Bellardia Bucquoy, Dautzenberg, and Dollfus, 1882, not of Mayer, 1870; 

 +Bellardiella Fischer, Man., Dec. 1883 (n, n. for Bellardia), not Tapp. Canefri, 

 •Tuly, 1883, type, PL gracilis ;+Comarmondia Monterosato, 1884, n. n. (p. 135) 

 for Bcllardieila;+Clathurina Melvill. Apr. 1917, type, Pleurotoma foraminata 

 Heeve •,+Heterostoma Cossmann, 1896, not of Bellardi, 1847. Group equivalent 

 to Clathurella Auct. not Defrance. Mangiliinae. Philbertia has the outer lip 

 thickened, lirate or dentate within when adult, pillar smooth, nucleus smooth, 

 rather elevated and acute. Differs from Glyphostoma by smaller size, less 

 brilliant sui'face, less fusiform profile, less contracted mouth and different 

 nucleus. 



Phlyctaenia Cossmann, Cat. Illustr., 1889, p. 245. Type indicated Borsonia 

 nodularis Deshayes. Eocene of Paris. Not Phh/ctaenia Hiibner, 1816. Lepidop- 



