==Species==According to the World Register of Marine Species (WoRMS), the following species with valid names are included within the genus "Neptunea" :* "Neptunea acutispiralis" Okutani, 1968* "Neptunea alabaster" Alexeyev & Fraussen, 2005* "Neptunea alexeyevi" Fraussen & Terryn, 2007* "Neptunea amianta" (Dall, 1890)* "Neptunea antiqua" (Linnaeus, 1758)* "Neptunea aurigena" Fraussen & Terry, 2007* "Neptunea beringiana" (Middendorff, 1848)* "Neptunea borealis" (Philippi, 1850)* "Neptunea bulbacea" (Valenciennes, 1858)* "Neptunea communis" (Middendorff, 1848)* "Neptunea constricta" (Dall, 1907)* "Neptunea contraria" (Linnaeus, 1771)* "Neptunea convexa" Goryachev, 1978* "Neptunea costaria" Fraussen & Terryn, 2007* "Neptunea cumingii" Crosse, 1862* "Neptunea cuspidis" Fraussen & Terryn, 2007* "Neptunea cybaea" Fraussen & Terryn, 2007* "Neptunea decemcostata" (Say, 1826)* "Neptunea denselirata" Brøgger, 1901* "Neptunea despecta" (Linnaeus, 1758)* "Neptunea elegantula" Ito & Habe, 1965* "Neptunea ennae" Sakurai & Chiba, 1969* "Neptunea eulimata" (Dall, 1907)* "Neptunea frater" (Pilsbry, 1901)* "Neptunea fukueae" Kuroda in Kira, 1955* "Neptunea gulbini" Goryachev & Kantor, 1983* "Neptunea gyroscopoides" Fraussen & Terryn, 2007* "Neptunea hedychra" Fraussen & Terryn, 2007* "Neptunea heros" Gray, 1850* "Neptunea hesperica" Fraussen & Terryn, 2007* "Neptunea hiberna" Fraussen & Terryn, 2007* "Neptunea humboltiana" Smith, 1971* "Neptunea insularis" (Dall, 1895)* "Neptunea intersculpta" (G.B.
* "Neptunea acutispiralis" Okutani, 1968* "Neptunea aino" Fraussen & Terryn, 2007* "Neptunea alabaster" Alexeyev & Fraussen, 2005* "Neptunea alexeyevi" Fraussen & Terryn, 2007* "Neptunea amianta" (Dall, 1890)* "Neptunea antiqua" (Linnaeus, 1758)* "Neptunea arthritica" (Bernardi, 1857)* "Neptunea aurigena" Fraussen & Terry, 2007* "Neptunea beringiana" (Middendorff, 1848)* "Neptunea borealis" (Philippi, 1850)* "Neptunea bulbacea" (Valenciennes, 1858)* "Neptunea communis"* "Neptunea constricta" (Dall, 1907)* "Neptunea contraria" (Linnaeus, 1771)* "Neptunea convexa" Goryachev, 1978* "Neptunea costaria" Fraussen & Terryn, 2007* "Neptunea costaria" Goryachev, 1978* "Neptunea cumingii" Crosse, 1862* "Neptunea cuspidis" Fraussen & Terryn, 2007* "Neptunea cybaea" Fraussen & Terryn, 2007* "Neptunea decemcostata" (Say, 1826)* "Neptunea despecta" (Linnaeus, 1758)* "Neptunea elegantula" Ito & Habe, 1965* "Neptunea ennae" Sakurai & Chiba, 1969* "Neptunea eulimata" (Dall, 1907)* "Neptunea frater" (Pilsbry, 1901)* "Neptunea fukueae" Kuroda in Kira, 1955* "Neptunea gulbini" Goryachev & Kantor, 1983* "Neptunea gyroscopoides" Fraussen & Terryn, 2007* "Neptunea hedychra" Fraussen & Terryn, 2007* "Neptunea heros" Gray, 1850* "Neptunea hesperica" Fraussen & Terryn, 2007* "Neptunea hiberna" Fraussen & Terryn, 2007* "Neptunea humboltiana" Smith, 1971* "Neptunea insularis" (Dall, 1895)* "Neptunea intersculpta" (G.B.