Fusus antiquus var. alba Jeffreys, 1867 accepted as Neptunea antiqua (Linnaeus, 1758) (source of synonymy)
Fusus antiquus var. gracilis Jeffreys, 1867 accepted as Neptunea antiqua (Linnaeus, 1758) (source of synonymy)
Fusus antiquus var. striata Jeffreys, 1867 accepted as Neptunea antiqua (Linnaeus, 1758) (source of synonymy)
Fusus antiquus var. ventricosa Jeffreys, 1867 accepted as Neptunea antiqua (Linnaeus, 1758) (source of synonymy)
Murex carinatus Pennant, 1777 accepted as Neptunea despecta (Linnaeus, 1758) (source of synonymy)
Murex subantiquatus Maton & Rackett, 1807 accepted as Neptunea despecta (Linnaeus, 1758) (source of synonymy)
Neptunea Röding, 1798 (taxonomy source)
Neptunea antiqua (Linnaeus, 1758) (basis of record)
Neptunea contraria (Linnaeus, 1771) (basis of record)
Neptunea decemcostata (Say, 1826) (basis of record)
Neptunea decemcostata clenchi A. H. Clarke, 1956 accepted as Neptunea despecta (Linnaeus, 1758) (source of synonymy)
Neptunea denselirata Brøgger, 1901 (basis of record)
Neptunea despecta (Linnaeus, 1758) (basis of record)
Neptunea hanseni Friele, 1879 accepted as Colus sabini (J. E. Gray, 1824) (source of synonymy)
Neptunia berniciensis var. elongata Locard, 1897 accepted as Troschelia berniciensis (W. King, 1846) (source of synonymy)
Neptunia berniciensis var. major Locard, 1897 accepted as Troschelia berniciensis (W. King, 1846) (source of synonymy)
Neptunia berniciensis var. minor Locard, 1897 accepted as Troschelia berniciensis (W. King, 1846) (source of synonymy)
Neptunia ecaudis Locard, 1897 accepted as Turrisipho fenestratus (W. Turton, 1834) (source of synonymy)
Neptunia fusiformis var. gracilis Locard, 1897 accepted as Turrisipho fenestratus (W. Turton, 1834) (source of synonymy)
Neptunia fusiformis var. minor Locard, 1897 accepted as Turrisipho fenestratus (W. Turton, 1834) (source of synonymy)
Neptunia gracilis var. major Locard, 1896 accepted as Colus gracilis (da Costa, 1778) (source of synonymy)
Neptunia islandica var. gallica Locard, 1896 accepted as Colus islandicus (Mohr, 1786) (source of synonymy)
Neptunia jeffreysiana var. bicolor Locard, 1896 accepted as Colus jeffreysianus (P. Fischer, 1868) (source of synonymy)
Neptunia jeffreysiana var. elongata Locard, 1896 accepted as Colus jeffreysianus (P. Fischer, 1868) (source of synonymy)
Neptunia jeffreysiana var. major Locard, 1896 accepted as Colus jeffreysianus (P. Fischer, 1868) (source of synonymy)
Tritonium fornicatum O. Fabricius, 1780 accepted as Neptunea despecta (Linnaeus, 1758) (source of synonymy)