• Cytherea (Pitar) Römer, 1857 accepted as Pitar Römer, 1857
• Cytherea (Pitar) munda Römer, 1860 accepted as Pitar mundus (Römer, 1860)
• Meretrix (Pitar) Römer, 1857 accepted as Pitar Römer, 1857
• Meretrix (Pitar) intricata Dautzenberg, 1908 accepted as Hyphantosoma intricatum (Dautzenberg, 1908)
• Meretrix (Pitar) jogjacartensis K. Martin, 1916 † accepted as Pitar jogjacartensis (K. Martin, 1916) †
• Meretrix (Pitar) jonkeri K. Martin, 1916 † accepted as Pitar jonkeri (K. Martin, 1916) † accepted as Cavatidens jonkeri (K. Martin, 1916) †
• Meretrix (Pitar) mediterranea Dautzenberg, 1891 accepted as Pitar mediterraneus (Aradas & Benoit, 1872)
• Meretrix (Pitar) pseudotriangula Sacco, 1900 † (uncertain > unassessed)
• Meretrix (Pitar) rudis (Poli, 1795) accepted as Pitar rudis (Poli, 1795)
• Meretrix (Pitar) rudis var. ootrigona Sacco, 1900 † (uncertain > unassessed)
• Meretrix (Pitar) rudis var. subgigantea Sacco, 1900 † (uncertain > unassessed)
• Meretrix (Pitar) rudis var. transversula Sacco, 1900 † (uncertain > unassessed)
• Pitar Römer, 1857
• Pitar (Agriopoma) Dall, 1902 accepted as Agriopoma Dall, 1902
• Pitar (Agriopoma) japonicum Kuroda & Kawamoto, 1956 accepted as Pitar kurodai Matsubara, 2007 accepted as Aphrodora kurodai (Matsubara, 2007)
• Pitar (Agriopoma) noguchii T. Habe, 1958 accepted as Aphrodora noguchii (T. Habe, 1958)
• Pitar (Callista) Poli, 1791 accepted as Callista Poli, 1791
• Pitar (Callista) ambiguus (Deshayes, 1857) † accepted as Pitar ambiguus (Deshayes, 1857) †
• Pitar (Callista) chione (Linnaeus, 1758) accepted as Callista chione (Linnaeus, 1758)
• Pitar (Callista) chione var. italica (Defrance, 1818) † accepted as Callista italica (Defrance, 1818) †
• Pitar (Callista) despectus (Deshayes, 1857) † accepted as Pitar despectus (Deshayes, 1857) †
• Pitar (Callista) distinctus (Deshayes, 1857) † accepted as Pitar distinctus (Deshayes, 1857) †
• Pitar (Callista) erycynoides (Lamarck, 1818) † accepted as Callista erycinoides (Lamarck, 1818) †
• Pitar (Callista) italicus (Defrance, 1818) † accepted as Callista italica (Defrance, 1818) †
• Pitar (Callista) laevigatus (Lamarck, 1805) † accepted as Costacallista laevigata (Lamarck, 1805) †
• Pitar (Callista) nitidulus (Lamarck, 1805) † accepted as Callocardia nitidula (Lamarck, 1805) †
• Pitar (Callista) nitidus (Deshayes, 1857) † accepted as Callocardia nitida (Deshayes, 1857) †
• Pitar (Callista) ovalinus (Deshayes, 1857) † accepted as Pitar ovalinus (Deshayes, 1857) †
• Pitar (Callista) rudis (Poli, 1795) accepted as Pitar rudis (Poli, 1795)
• Pitar (Callista) scintilla (Deshayes, 1857) † accepted as Tivelina scinctilla (Deshayes, 1857) †
• Pitar (Callista) suberycinoides (Deshayes, 1825) † accepted as Costacallista suberycinoides (Deshayes, 1825) †
• Pitar (Callista) sulcatarius (Deshayes, 1825) † accepted as Pitar sulcatarius (Deshayes, 1825) †
• Pitar (Calpitaria) Jukes-Browne, 1908 † represented as Pitar Römer, 1857
• Pitar (Calpitaria) ambigua (Deshayes, 1857) † accepted as Pitar ambigua (Deshayes, 1857) † accepted as Pitar ambiguus (Deshayes, 1857) †
• Pitar (Calpitaria) avia (Deshayes, 1857) † accepted as Pitar avia (Deshayes, 1857) †
• Pitar (Calpitaria) parisiensis (Deshayes, 1857) † accepted as Pitar parisiensis (Deshayes, 1857) †
• Pitar (Calpitaria) petropolitanus Stenzel & E. K. Krause, 1957 † (uncertain > unassessed)
• Pitar (Calpitaria) saincenyensis (Deshayes, 1857) † accepted as Pitar saincenyensis (Deshayes, 1857) †
• Pitar (Calpitaria) subobliquus (A. d'Orbigny, 1850) † accepted as Pitar subobliquus (A. d'Orbigny, 1850) †
• Pitar (Calpitaria) sulcatarius (Deshayes, 1825) † accepted as Pitar sulcatarius (Deshayes, 1825) †
• Pitar (Calpitaria) texibrazus Stenzel & E. K. Krause, 1957 † (uncertain > unassessed)
• Pitar (Calpitaria) turneri Garvie, 1996 † represented as Pitar turneri Garvie, 1996 †
• Pitar (Calpitaria) vagniacarum (Wrigley, 1925) † accepted as Pitar vagniacarum (Wrigley, 1925) †
• Pitar (Chionella) Cossmann, 1886 † represented as Pitar Römer, 1857
• Pitar (Chionella) despectus (Deshayes, 1857) † represented as Pitar despectus (Deshayes, 1857) †
• Pitar (Chionella) lunularia (Deshayes, 1825) † represented as Pitar lunularia (Deshayes, 1825) †
• Pitar (Chionella) ovalinus (Deshayes, 1857) † represented as Pitar ovalinus (Deshayes, 1857) †
• Pitar (Cordiopsis) Cossmann, 1910 † accepted as Cordiopsis Cossmann, 1910 †
• Pitar (Cordiopsis) polytropa H.-J. Anderson, 1958 † accepted as Cordiopsis polytropa (H.-J. Anderson, 1958) †
• Pitar (Cordiopsis) schafferi (Kautsky, 1936) † accepted as Cordiopsis schafferi (Kautsky, 1936) †
• Pitar (Costellipitar) T. Habe, 1951 accepted as Costellipitar T. Habe, 1951
• Pitar (Costellipitar) cor (Hanley, 1844) represented as Costellipitar cor (Hanley, 1844)
• Pitar (Costellipitar) knudseni Poutiers, 1981 accepted as Costellipitar manillae (G. B. Sowerby II, 1851)
• Pitar (Costellipitar) longior Cosel & Gofas, 2018 accepted as Costellipitar longior (Cosel & Gofas, 2018)
• Pitar (Costellipitar) madecassinus (Fischer-Piette & Delmas, 1967) accepted as Costellipitar madecassinus (Fischer-Piette & Delmas, 1967)
• Pitar (Costellipitar) manillae (G. B. Sowerby II, 1851) accepted as Costellipitar manillae (G. B. Sowerby II, 1851)
• Pitar (Costellipitar) peliferus Cosel, 1995 represented as Costellipitar peliferus (Cosel, 1995)
• Pitar (Hyphantosoma) Dall, 1902 accepted as Hyphantosoma Dall, 1902
• Pitar (Hyphantosoma) aletes (Hertlein & A. M. Strong, 1948) represented as Hyphantosoma aletes (Hertlein & A. M. Strong, 1948)
• Pitar (Hyphantosoma) hertleini Olsson, 1961 accepted as Hyphantosoma pollicaris (P. P. Carpenter, 1864)
• Pitar (Hyphantosoma) nancyae Lamprell & Whitehead, 1990 accepted as Hyphantosoma nancyae (Lamprell & Whitehead, 1990)
• Pitar (Hyphantosoma) pollicaris (P. P. Carpenter, 1864) represented as Hyphantosoma pollicaris (P. P. Carpenter, 1864)
• Pitar (Hyphantosoma) sculpturatus (P. Marshall, 1918) † accepted as Hyphantosoma sculpturata (P. Marshall, 1918) †
• Pitar (Hyphantosoma) spoori Lamprell & Whitehead, 1990 accepted as Hyphantosoma spoori (Lamprell & Whitehead, 1990)
• Pitar (Hysteroconcha) Dall, 1902 accepted as Hysteroconcha Dall, 1902
• Pitar (Hysteroconcha) cypta J. A. Gardner, 1936 † (uncertain > unassessed)
• Pitar (Lamelliconcha) Dall, 1902 accepted as Lamelliconcha Dall, 1902
• Pitar (Lamelliconcha) hesperius S. S. Berry, 1960 accepted as Pitar hesperia S. S. Berry, 1960 accepted as Lamelliconcha alternata (Broderip, 1835)
• Pitar (Lamelliconcha) salanga Pilsbry & Olsson, 1941 accepted as Lamelliconcha concinna (G. B. Sowerby I, 1835)
• Pitar (Macrocallista) Meek, 1876 accepted as Macrocallista Meek, 1876
• Pitar (Macrocallista) chemetschensis (L. Krishtofovich, 1947) † accepted as Macrocallista chemetschensis L. Krishtofovich, 1947 †
• Pitar (Macrocallista) kovatschensis (L. Krishtofovich, 1947) † accepted as Macrocallista kovatschensis L. Krishtofovich, 1947 †
• Pitar (Macrocallista) snatolensis (L. Krishtofovich, 1947) † accepted as Macrocallista snatolensis L. Krishtofovich, 1947 †
• Pitar (Megapitaria) U. S. Grant & Gale, 1931 accepted as Megapitaria U. S. Grant & Gale, 1931
• Pitar (Nanopitar) Rehder, 1943 represented as Pitar Römer, 1857
• Pitar (Nanopitar) marensis Weisbord, 1964 † represented as Pitar marensis Weisbord, 1964 †
• Pitar (Nanopitar) pilula Rehder, 1943 represented as Pitar pilula Rehder, 1943
• Pitar (Neogenella) L. Krishtofovich, 1968 † represented as Pitar Römer, 1857
• Pitar (Neogenella) gretschischkini (Slodkevich, 1935) † represented as Pitar gretschischkini (Slodkevich, 1935) †
• Pitar (Neogenella) kavranensis (Slodkevich, 1935) † represented as Pitar kavranensis (Slodkevich, 1935) †
• Pitar (Pitar) Römer, 1857 represented as Pitar Römer, 1857
• Pitar (Pitar) berryi Keen, 1971 represented as Pitar berryi Keen, 1971
• Pitar (Pitar) consanguineus (C. B. Adams, 1852) represented as Pitar consanguineus (C. B. Adams, 1852)
• Pitar (Pitar) elenensis Olsson, 1961 accepted as Pitar consanguineus (C. B. Adams, 1852)
• Pitar (Pitar) helenae Olsson, 1961 represented as Pitar helenae Olsson, 1961
• Pitar (Pitar) laziarinus (Ihering, 1907) † represented as Pitar laziarinus (Ihering, 1907) †
• Pitar (Pitar) maiquetiensis Weisbord, 1964 † represented as Pitar maiquetiensis Weisbord, 1964 †
• Pitar (Pitar) omissus (Pilsbry & H. N. Lowe, 1932) represented as Pitar omissus (Pilsbry & H. N. Lowe, 1932)
• Pitar (Pitar) palmeri Fischer-Piette & Testud, 1967 accepted as Jasypitar palmeri (Fischer-Piette & Testud, 1967)
• Pitar (Pitar) perfragilis Pilsbry & H. N. Lowe, 1932 represented as Pitar perfragilis Pilsbry & H. N. Lowe, 1932
• Pitar (Pitar) rudis (Poli, 1795) represented as Pitar rudis (Poli, 1795)
• Pitar (Pitar) rudis laskarevi (Shvets, 1912) † represented as Pitar rudis laskarevi (Shvets, 1912) †
• Pitar (Pitar) rudis rudis (Poli, 1795) represented as Pitar rudis rudis (Poli, 1795)
• Pitar (Pitar) tigilensis (L. Krishtofovich, 1947) † represented as Pitar tigilensis (L. Krishtofovich, 1947) †
• Pitar (Pitarina) Jukes-Browne, 1913 accepted as Pitar Römer, 1857
• Pitar (Pitarina) abbreviatus (Krauss, 1848) accepted as Pitar hebraeus (Lamarck, 1818)
• Pitar (Pitarina) citrinus (Lamarck, 1818) represented as Pitar citrinus (Lamarck, 1818)
• Pitar (Pitarina) hebraeus (Lamarck, 1818) represented as Pitar hebraeus (Lamarck, 1818)
• Pitar (Pitarina) kathiewayae Lamprell & Kilburn, 1999 represented as Pitar kathiewayae Lamprell & Kilburn, 1999
• Pitar (Pitarina) marrowae Healy & Lamprell, 1992 represented as Pitar marrowae Healy & Lamprell, 1992 accepted as Pitar laetus (Linnaeus, 1758)