Dentalium neornatum (FOSSIL) I. Hayasaka, 1925 †
Graptacme nielseni (K.L. Lamprell& J.M. Healy, 1998)
Graptacme novaehollandiae (J.C. Chenu, 1843)
Antalis novemcostata (J.B.P.A. Lamarck, 1818)
Plagioglypta numerosa (FOSSIL) E.K. Yoo, 1988 †
Dentalium obscurum W.H. Dall, 1889
Dentalium obtusum Z. Qi & X.T. Ma, 1989
Antalis occidentalis (W. Stimpson, 1851)
Dentalium octagonum J.B.P.A. Lamarck
Dentalium octangulatum E. Donovan, 1804
Paradentalium octopleuron (J.C. Verco, 1911)
Dentalium oerstedii O.A.L. Mörch, 1861
Dentalium opaculum (FOSSIL) T.L. Casey, 1903 †
Fissidentalium opacum (G.B. I Sowerby, 1829)
Dentalium oryx (M. Boissevain, 1906)
Dentalium otamaringaense (FOSSIL) J. Marwick, 1926 †
Dentalium ovale (FOSSIL) Cooke, 1928 †
Antalis panorma (J.C. Chenu, 1843)
Graptacme pareorensis (FOSSIL) (H.A. Pilsbry & B. Sharp,1897 †)
Fissidentalium paucicostatum (R.B. Watson, 1879)
Fissidentalium paviai (FOSSIL) E. Caprotti, 2016 †
Dentalium peitaihoensis L.C. King & W.X. Ping,1935
Antalis perinvoluta (N.H. Ludbrook, 1954)
Graptacme perlonga (W.H. Dall, 1881)
Plagioglypta pertracheata (H.P. Plate, 1908)
Fissidentalium peruvianum (W.H. Dall, 1908)
Dentalium petrosum T. Nuttall
Antalis phanea (W.H. Dall, 1895)
Tesseracme philcolmani K.L. Lamprell & J.M. Healy,1998
Antalis pilsbryi (H.A. Rehder, 1942)
Paradentalium pistis (R. Winckworth, 1940)
Fissidentalium platypleurum J.R. le B. Tomlin, 1931
Dentalium pluricostatum M. Boissevain, 1906
Schizodentalium plurifissuratum G.B. Sowerby, 1894
Dentalium poindimiense V. Scarabino, 2008