Scobinella newtonensis (FOSSIL) T.H. Aldrich, 1911 †
Lienardia nigrocincta (S.M. Souverbie& R.P. Montrouzier, 1873)
Etremopsis oamarutica (FOSSIL) Powell, 1942 †
Lienardia obesa (A. Garrett, 1873)
Glyphostoma obtusa (FOSSIL) Martin, 1904 †
Lienardia obtusicostata (E.A. Smith, 1882)
Cryptomella oceanica (W.H. Dall, 1908)
Lienardia ocellata F.P. Jousseaume, 1884
Glyphostoma oenoa P. Bartsch, 1934
Glyphostoma oliverai R.N. Kilburn & T.C. Lan,2004
Euglyphostoma olssoni (FOSSIL) W.P. Woodring, 1970 †
Etrema orirufa C. Hedley, 1922
Glyphostoma otohimeae S. Kosuge, 1981
Nannodiella oxia (K.J. Bush, 1885)
Nannodiella pachychila (E.A. Smith, 1888)
Paraclathurella padangensis (K.H.J. Thiele, 1925)
Pleurotomoides pagoda (FOSSIL) (P.A. Millet, 1826 †)
Thetidos pallida A.E. Fedosov& P. Stahlschmidt, 2014
Clathurella papuensis C.M. Tapparone-Canefri,1878
Glyphostoma partefilosa W.H. Dall, 1919
Glyphostoma parthenicum R.P.J. Hervier, 1896
Clathurella parvula (L.A. Reeve, 1845)
Etrema paucimaculata (G.F. Angas, 1880)
Glyphostoma pauciornatum (FOSSIL) B.M. Landau, F. Da Silva& S.M. Heitz, 2016 †
Clathurella perdecorata (W.H. Dall, 1927)
Glyphostoma perieilema (FOSSIL) J. Gardner, 1937 †
Lienardia periscelina C. Hedley, 1922
Lienardia peristernioides M.M. Schepman, 1913
Etrema perlissa (E.A. Smith, 1904)
Lienardia perplexa (G. Nevill & H. Nevill,1875)
Pleurotomoides petiti P. Dautzenberg, 1932
Glyphostoma phalera (W.H. Dall, 1889)
Crockerella philodice (W.H. Dall, 1919)
Glyphostoma pilsbryi J.S. Schwengel, 1940
Lienardia piperata (E.A. Smith, 1882)