• Buccinum (Neptunea) Röding, 1798 accepted as Neptunea Röding, 1798
• Buccinum (Neptunea) stimpsoni A. Gould, 1860 accepted as Beringius stimpsoni (A. Gould, 1860)
• Fusus (Neptunea) Röding, 1798 accepted as Neptunea Röding, 1798
• Fusus (Neptunea) borealis R. A. Philippi, 1850 accepted as Neptunea communis (Middendorff, 1849)
• Fusus (Neptunea) calathiscus R. B. Watson, 1882 accepted as Bathydomus calathiscus (R. B. Watson, 1882)
• Fusus (Neptunea) dalli R. B. Watson, 1882 accepted as Granulifusus dalli (R. B. Watson, 1882)
• Fusus (Neptunea) futile R. B. Watson, 1882 accepted as Meteuthria futilis (R. B. Watson, 1882)
• Fusus (Neptunea) labradorensis A. S. Packard, 1867 † accepted as Neptunea labradorensis (A. S. Packard, 1867) †
• Fusus (Neptunea) regulus R. B. Watson, 1882 accepted as Pareuthria regulus (R. B. Watson, 1882)
• Fusus (Neptunea) valedictus R. B. Watson, 1886 accepted as Aeneator valedictus (R. B. Watson, 1886)
• Neptunea Röding, 1798
• Neptunea (Barbitonia) Dall, 1916 represented as Neptunea Röding, 1798
• Neptunea (Barbitonia) arthritica (Valenciennes, 1858) represented as Neptunea arthritica (Valenciennes, 1858)
• Neptunea (Clinopegma) U. S. Grant & Gale, 1931 accepted as Clinopegma U. S. Grant & Gale, 1931
• Neptunea (Eosipho) Thiele, 1929 accepted as Eosipho Thiele, 1929
• Neptunea (Eosipho) asphaltodes Beets, 1943 † accepted as Eosipho smithi (Schepman, 1911)
• Neptunea (Golikovia) Habe & Sato, 1973 accepted as Neptunea Röding, 1798
• Neptunea (Golikovia) ennae Sakurai & Tiba, 1969 represented as Neptunea ennae Sakurai & Tiba, 1969
• Neptunea (Golikovia) fukueae Kira, 1959 represented as Neptunea fukueae Kira, 1959
• Neptunea (Lyrofusus) De Gregorio, 1880 † accepted as Lyrofusus De Gregorio, 1880 †
• Neptunea (Neptunea) Röding, 179 represented as Neptunea Röding, 1798
• Neptunea (Neptunea) antiqua (Linnaeus, 1758) represented as Neptunea antiqua (Linnaeus, 1758)
• Neptunea (Neptunea) constricta (Dall, 1907) represented as Neptunea constricta (Dall, 1907)
• Neptunea (Neptunea) eos (Kuroda, 1931) † represented as Neptunea eos (Kuroda, 1931) †
• Neptunea (Neptunea) frater (Pilsbry, 1901) represented as Neptunea frater (Pilsbry, 1901)
• Neptunea (Neptunea) hataii Noda, 1962 † represented as Neptunea hataii Noda, 1962 †
• Neptunea (Neptunea) hoernesi (Bellardi, 1873) † accepted as Eosipho hoernesi (Bellardi, 1873) †
• Neptunea (Neptunea) hoernesi subdilata Moroni, 1966 accepted as Eosipho hoernesi (Bellardi, 1873) †
• Neptunea (Neptunea) intersculpta (G. B. Sowerby III, 1899) represented as Neptunea intersculpta (G. B. Sowerby III, 1899)
• Neptunea (Neptunea) kuroshio Oyama, 1959 represented as Neptunea kuroshio Oyama, 1959
• Neptunea (Neptunea) mikawaensis T. Nakano, Kurihara, Miyoshi & Higuchi, 2010 represented as Neptunea mikawaensis T. Nakano, Kurihara, Miyoshi & Higuchi, 2010
• Neptunea (Neptunea) polycostata Scarlato, 1955 represented as Neptunea polycostata Scarlato, 1955
• Neptunea (Neptunea) tuberculata (Yokoyama, 1929) represented as Neptunea tuberculata (Yokoyama, 1929)
• Neptunea (Sipho) Mörch, 1852 accepted as Colus Röding, 1798
• Neptunea (Sipho) altenai Beets, 1942 † accepted as Colus altenai (Beets, 1942) †
• Neptunea (Sipho) arata A. E. Verrill, 1880 accepted as Colus stimpsoni (Mörch, 1868)
• Neptunea (Sipho) caelata A. E. Verrill, 1880 accepted as Retimohnia caelata (A. E. Verrill, 1880)
• Neptunea (Sipho) hanseni Friele, 1879 accepted as Colus sabini (J. E. Gray, 1824)
• Neptunea (Sipho) pertenuis Sykes, 1911 accepted as Retifusus latericeus (Møller, 1842)
• Neptunea (Sipho) terebralis A. Gould, 1860 accepted as Neptunea terebralis A. Gould, 1860 accepted as Aulacofusus brevicauda (Deshayes, 1832)
• Neptunea (Sipho) virgata Friele, 1879 accepted as Anomalisipho virgatus (Friele, 1879)
• Neptunea (Siphonorbis) Mörch, 1869 accepted as Colus Röding, 1798
• Neptunea (Siphonorbis) dalli Friele, 1882 accepted as Turrisipho dalli (Friele, 1881) accepted as Mohnia dalli (Friele, 1881)
• Neptunea (Sulcosipho) Dall, 1916 accepted as Neptunea Röding, 1798
• Neptunea (Sulcosipho) eatoni U. S. Grant & Quayle, 1934 † (uncertain > unassessed)
• Neptunea (Sulcosipho) hataii Noda, 1962 † accepted as Neptunea hataii Noda, 1962 †
• Neptunea (Trophonopsis) Bucquoy & Dautzenberg, 1882 accepted as Trophonopsis Bucquoy & Dautzenberg, 1882
• Neptunea (Trophonopsis) kamchatkanus (Dall, 1902 accepted as Boreotrophon kamchatkanus Dall, 1902
• Neptunea (Trophonopsis) lasia Dall, 1919 accepted as Scabrotrophon lasius (Dall, 1919)
• Neptunea acutispiralis Okutani, 1968
• Neptunea aestuosa A. Gould, 1860 accepted as Siphonalia cassidariaeformis (Reeve, 1846)
• Neptunea alabaster Alexeyev & Fraussen, 2005
• Neptunea aleutica J. H. McLean & R. N. Clark, 2023
• Neptunea alexeyevi Fraussen & Terryn, 2007
• Neptunea amianta (Dall, 1890)
• Neptunea anceps H. Adams & A. Adams, 1853 accepted as Pyrula anomala Reeve, 1847 accepted as Solenosteira anomala (Reeve, 1847)
• Neptunea angulata Harmer, 1914 †
• Neptunea angulata f. contrariaeformis Vervoenen, van Nieulande, Fraussen, Wesselingh & Pouwer, 2014 † accepted as Neptunea angulata Harmer, 1914 †
• Neptunea angulata f. elongata (S. V. Wood, 1848) † accepted as Neptunea angulata Harmer, 1914 †
• Neptunea angulata f. harmeri Vervoenen, van Nieulande, Fraussen, Wesselingh & Pouwer, 2014 † accepted as Neptunea angulata Harmer, 1914 †
• Neptunea angulata f. informis Harmer, 1914 † accepted as Neptunea angulata Harmer, 1914 †
• Neptunea angulata f. kalloensis Vervoenen, van Nieulande, Fraussen, Wesselingh & Pouwer, 2014 † accepted as Neptunea angulata Harmer, 1914 †
• Neptunea angulata f. multicincta Vervoenen, van Nieulande, Fraussen, Wesselingh & Pouwer, 2014 † accepted as Neptunea angulata Harmer, 1914 †
• Neptunea angulata f. strauchi Vervoenen, van Nieulande, Fraussen, Wesselingh & Pouwer, 2014 † accepted as Neptunea angulata Harmer, 1914 †
• Neptunea antarctocostata Stilwell & Zinsmeister, 1992 † accepted as Prosipho antarctocostata (Stilwell & Zinsmeister, 1992) †
• Neptunea antiqua (Linnaeus, 1758)
• Neptunea antiqua japonica Dautzenberg & H. Fischer, 1912 accepted as Neptunea intersculpta (G. B. Sowerby III, 1899)
• Neptunea antiqua striata Kobelt, 1878 accepted as Neptunea antiqua (Linnaeus, 1758)
• Neptunea antiqua striata var. browni Dautzenberg & H. Fischer, 1912 accepted as Neptunea antiqua (Linnaeus, 1758)
• Neptunea antiqua var. bicarinata Kobelt, 1878 accepted as Neptunea despecta (Linnaeus, 1758)
• Neptunea antiqua var. elongata Dautzenberg & H. Fischer, 1912 accepted as Neptunea despecta (Linnaeus, 1758)
• Neptunea antiqua var. inversa Harmer, 1918 † accepted as Neptunea inversa Harmer, 1918 †
• Neptunea antiqua var. kobelti Dautzenberg & H. Fischer, 1912 accepted as Neptunea antiqua (Linnaeus, 1758)
• Neptunea antiqua var. media Dautzenberg & H. Fischer, 1912 accepted as Neptunea antiqua (Linnaeus, 1758)
• Neptunea antiqua var. striata Kobelt, 1878 accepted as Neptunea antiqua (Linnaeus, 1758)
• Neptunea apolyonis Dall, 1919 accepted as Boreotrophon apolyonis (Dall, 1919)
• Neptunea aquitanica Locard, 1897 accepted as Troschelia berniciensis (W. King, 1846)
• Neptunea arata A. E. Verrill, 1880 accepted as Colus stimpsoni (Mörch, 1868)
• Neptunea arata A. Gould, 1860 (uncertain > taxon inquirendum)
• Neptunea arthritica (Valenciennes, 1858)
• Neptunea arthritica var. asamusi Nomura & Hatai, 1937 accepted as Barbitonia arthritica (Valenciennes, 1858) accepted as Neptunea (Barbitonia) arthritica (Valenciennes, 1858) represented as Neptunea arthritica (Valenciennes, 1858)
• Neptunea arthritica var. matusima Nomura & Hatai, 1937 accepted as Barbitonia arthritica (Valenciennes, 1858) accepted as Neptunea (Barbitonia) arthritica (Valenciennes, 1858) represented as Neptunea arthritica (Valenciennes, 1858)
• Neptunea asphaltodes Beets, 1943 † accepted as Eosipho smithi (Schepman, 1911)
• Neptunea aurigena Fraussen & Terryn, 2007
• Neptunea aurigena apeliota Fraussen & Terryn, 2007
• Neptunea aurigena aurigena Fraussen & Terryn, 2007
• Neptunea baxteri J. H. McLean & R. N. Clark, 2023
• Neptunea behringiana (Middendorff, 1848)
• Neptunea behringiana var. unicostata A. N. Golikov, 1963 accepted as Neptunea ventricosa (Gmelin, 1791)
• Neptunea beringi (Dall, 1902) accepted as Boreotrophon clathratus (Linnaeus, 1767)
• Neptunea berniciensis (W. King, 1846) accepted as Troschelia berniciensis (W. King, 1846)
• Neptunea berniciensis var. carinata Locard, 1897 accepted as Troschelia berniciensis (W. King, 1846)
• Neptunea bonaespei Barnard, 1963 accepted as Buccipagoda bonaespei (Barnard, 1963) accepted as Sagenotriton bonaespei (Barnard, 1963)
• Neptunea borealis (R. A. Philippi, 1850) accepted as Neptunea communis (Middendorff, 1849)
• Neptunea brevicauda (Deshayes, 1832) accepted as Aulacofusus brevicauda (Deshayes, 1832)
• Neptunea brunnea Kobelt, 1879 (uncertain > taxon inquirendum)
• Neptunea bulbacea (Valenciennes, 1858)
• Neptunea bulbacea var. laevigata Schrenck, 1861 accepted as Neptunea bulbacea (Valenciennes, 1858)
• Neptunea bulbacea var. zonata A. N. Golikov, 1963 accepted as Neptunea bulbacea (Valenciennes, 1858)
• Neptunea callicerata Dall, 1919 accepted as Boreotrophon avalonensis Dall, 1902