Acrybia (Hartungia) chouberti Chavan, 1951 † accepted as Janthina typica (Bronn, 1861) † (source of synonymy)
Amethistina laeta Monterosato, 1884 accepted as Janthina globosa Swainson, 1822 (subsequent type designation)
Amethistina laeta Monterosato, 1884 accepted as Janthina globosa Swainson, 1822 (source of synonymy)
Eunaticina abyssalis Simone, 2014 † accepted as Janthina typica (Bronn, 1861) † (source of synonymy)
Hartungia Bronn, 1861 † accepted as Janthina Röding, 1798 (source of synonymy)
Hartungia elegans Tomida & Nakamura, 2001 † accepted as Janthina typica (Bronn, 1861) † (source of synonymy)
Hartungia typica Bronn, 1861 † accepted as Janthina typica (Bronn, 1861) † (subsequent type designation)
Heligmope Tate, 1893 † accepted as Janthina Röding, 1798 (source of synonymy)
Heligmope dennanti Tate, 1893 † accepted as Janthina typica (Bronn, 1861) † (source of synonymy)
Heligmope dennanti Tate, 1893 † accepted as Janthina typica (Bronn, 1861) † (subsequent type designation)
Helix janthina Linnaeus, 1758 accepted as Janthina janthina (Linnaeus, 1758) (subsequent type designation)
Helix johnii Holten, 1802 accepted as Recluzia johnii (Holten, 1802) (subsequent type designation)
Ianthina (Iodina) megastoma A. Adams, 1861 accepted as Janthina umbilicata A. d'Orbigny, 1841 (subsequent type designation)
Ianthina (Iodina) megastoma A. Adams, 1861 accepted as Janthina umbilicata A. d'Orbigny, 1841 (source of synonymy)
Ianthina affinis Reeve, 1858 accepted as Janthina janthina (Linnaeus, 1758) (source of synonymy)
Ianthina africana Reeve, 1858 accepted as Janthina janthina (Linnaeus, 1758) (source of synonymy)
Ianthina balteata Reeve, 1858 accepted as Janthina janthina (Linnaeus, 1758) (source of synonymy)
Ianthina bicolor Menke, 1828 accepted as Janthina janthina (Linnaeus, 1758) (source of synonymy)
Ianthina bicolor Menke, 1828 accepted as Janthina janthina (Linnaeus, 1758) (subsequent type designation)
Ianthina bicolor var. conica Monterosato, 1878 accepted as Janthina janthina (Linnaeus, 1758) (source of synonymy)
Ianthina bifida Reeve, 1858 accepted as Janthina exigua Lamarck, 1816 (source of synonymy)
Ianthina britannica Forbes & Hanley, 1852 accepted as Janthina janthina (Linnaeus, 1758) (source of synonymy)
Ianthina caeruleata Reeve, 1858 accepted as Janthina janthina (Linnaeus, 1758) (source of synonymy)
Ianthina casta Reeve, 1858 accepted as Janthina janthina (Linnaeus, 1758) (source of synonymy)
Ianthina depressa Reeve, 1858 accepted as Janthina janthina (Linnaeus, 1758) (source of synonymy)
Ianthina fibula Reeve, 1858 accepted as Janthina janthina (Linnaeus, 1758) (source of synonymy)
Ianthina grandis Reeve, 1858 accepted as Janthina janthina (Linnaeus, 1758) (source of synonymy)
Ianthina involuta Reeve, 1858 accepted as Janthina janthina (Linnaeus, 1758) (source of synonymy)
Ianthina planispirata A. Adams & Reeve, 1850 accepted as Janthina janthina (Linnaeus, 1758) (source of synonymy)
Ianthina roseola Reeve, 1858 accepted as Janthina janthina (Linnaeus, 1758) (source of synonymy)
Ianthina smithiae Reeve, 1858 accepted as Janthina janthina (Linnaeus, 1758) (source of synonymy)
Ianthina striolata A. Adams & Reeve, 1850 accepted as Janthina pallida W. Thompson, 1840 (source of synonymy)
Ianthina striulata P. P. Carpenter, 1857 accepted as Janthina janthina (Linnaeus, 1758) (source of synonymy)
Ianthina striulata var. contorta P. P. Carpenter, 1857 accepted as Janthina janthina (Linnaeus, 1758) (source of synonymy)
Ianthina trochoidea Reeve, 1858 accepted as Janthina janthina (Linnaeus, 1758) (source of synonymy)
Ianthina vinsoni Deshayes, 1863 accepted as Janthina exigua Lamarck, 1816 (subsequent type designation)
Ianthina vinsoni Deshayes, 1863 accepted as Janthina exigua Lamarck, 1816 (source of synonymy)
Janthina Röding, 1798 (basis of record)
Janthina (Achates) orbignyi Mörch, 1860 accepted as Janthina janthina (Linnaeus, 1758) (subsequent type designation)
Janthina (Achates) orbignyi Mörch, 1860 accepted as Janthina janthina (Linnaeus, 1758) (source of synonymy)
Janthina alba Anton, 1838 accepted as Theba pisana (O. F. Müller, 1774) (source of synonymy)
Janthina auriculata E. von Martens, 1904 accepted as Janthina janthina (Linnaeus, 1758) (source of synonymy)
Janthina bicolor var. major Monterosato, 1878 accepted as Janthina janthina (Linnaeus, 1758) (source of synonymy)
Janthina bicolor var. minor Monterosato, 1878 accepted as Janthina janthina (Linnaeus, 1758) (source of synonymy)
Janthina capreolata Montrouzier, 1860 accepted as Janthina exigua Lamarck, 1816 (source of synonymy)
Janthina chavani (Ludbrook, 1978) † (new combination reference)
Janthina communis Lamarck, 1822 accepted as Janthina janthina (Linnaeus, 1758) (source of synonymy)
Janthina costae Mörch, 1860 accepted as Janthina janthina (Linnaeus, 1758) (source of synonymy)
Janthina courcellei Mabille & Rochebrune, 1889 accepted as Janthina exigua Lamarck, 1816 (source of synonymy)
Janthina courcellei Mabille & Rochebrune, 1889 accepted as Janthina exigua Lamarck, 1816 (subsequent type designation)
Janthina decollata P. P. Carpenter, 1857 accepted as Janthina globosa Swainson, 1822 (source of synonymy)
Janthina exigua Lamarck, 1816 (basis of record)
Janthina fragilis Lamarck, 1801 accepted as Janthina janthina (Linnaeus, 1758) (source of synonymy)
Janthina globosa Blainville, 1822 accepted as Janthina umbilicata A. d'Orbigny, 1841 (subsequent type designation)
Janthina globosa Swainson, 1822 (subsequent type designation)
Janthina globosa Swainson, 1822 (basis of record)
Janthina globosa Blainville, 1822 accepted as Janthina umbilicata A. d'Orbigny, 1841 (source of synonymy)
Janthina hartungi Mayer, 1864 † accepted as Janthina typica (Bronn, 1861) † (source of synonymy)
Janthina hartungi Mayer, 1864 † accepted as Janthina typica (Bronn, 1861) † (subsequent type designation)
Janthina incisa R. A. Philippi, 1848 accepted as Janthina exigua Lamarck, 1816 (source of synonymy)
Janthina iricolor Reeve, 1858 accepted as Janthina globosa Swainson, 1822 (source of synonymy)
Janthina janthina (Linnaeus, 1758) (basis of record)
Janthina krejcii Beu, 2017 † (original description)
Janthina lutea Bennett, 1840 accepted as Recluzia lutea (Bennett, 1840) (subsequent type designation)
Janthina nana J. E. Gray, 1850 accepted as Janthina exigua Lamarck, 1816 (subsequent type designation)
Janthina nana J. E. Gray, 1850 accepted as Janthina exigua Lamarck, 1816 (source of synonymy)
Janthina nitens Menke, 1828 accepted as Janthina globosa Swainson, 1822 (subsequent type designation)
Janthina nitens var. atlantica Mörch, 1860 accepted as Janthina globosa Swainson, 1822 (source of synonymy)
Janthina nitens var. atlantica Mörch, 1860 accepted as Janthina globosa Swainson, 1822 (subsequent type designation)
Janthina nitens var. minor Monterosato, 1878 accepted as Janthina globosa Swainson, 1822 (source of synonymy)
Janthina nitida A. Adams, 1861 accepted as Janthina umbilicata A. d'Orbigny, 1841 (source of synonymy)
Janthina pallida W. Thompson, 1840 (basis of record)
Janthina pallida W. Thompson, 1840 (subsequent type designation)
Janthina pallida var. minor Monterosato, 1878 accepted as Janthina globosa Swainson, 1822 (source of synonymy)
Janthina patula R. A. Philippi, 1844 accepted as Janthina globosa Swainson, 1822 (source of synonymy)
Janthina patula R. A. Philippi, 1844 accepted as Janthina globosa Swainson, 1822 (subsequent type designation)
Janthina payraudeaui Locard, 1901 accepted as Janthina globosa Swainson, 1822 (subsequent type designation)
Janthina payraudeaui Locard, 1901 accepted as Janthina globosa Swainson, 1822 (source of synonymy)
Janthina penicephala F. Péron & Lesueur, 1807 accepted as Janthina janthina (Linnaeus, 1758) (source of synonymy)
Janthina penicephala F. Péron & Lesueur, 1807 accepted as Janthina janthina (Linnaeus, 1758) (subsequent type designation)
Janthina prolongata Blainville, 1822 accepted as Janthina globosa Swainson, 1822 (source of synonymy)
Janthina prolongata Blainville, 1822 accepted as Janthina globosa Swainson, 1822 (subsequent type designation)
Janthina rosea Anton, 1838 accepted as Janthina globosa Swainson, 1822 (subsequent type designation)
Janthina rosea Anton, 1838 accepted as Janthina globosa Swainson, 1822 (source of synonymy)
Janthina splendens Monterosato, 1884 accepted as Janthina globosa Swainson, 1822 (subsequent type designation)
Janthina splendens Monterosato, 1884 accepted as Janthina globosa Swainson, 1822 (source of synonymy)
Janthina turrita von dem Busch, 1849 accepted as Recluzia lutea (Bennett, 1840) (source of synonymy)
Janthina turrita von dem Busch, 1849 accepted as Recluzia lutea (Bennett, 1840) (subsequent type designation)
Janthina typica (Bronn, 1861) † (basis of record)
Janthina umbilicata A. d'Orbigny, 1841 (basis of record)
Janthina violacea Röding, 1798 accepted as Janthina janthina (Linnaeus, 1758) (subsequent type designation)
Janthina violacea Röding, 1798 accepted as Janthina janthina (Linnaeus, 1758) (source of synonymy)
Janthina vulgaris Gray, 1847 accepted as Janthina janthina (Linnaeus, 1758) (source of synonymy)
Janthinidae Lamarck, 1822 accepted as Epitoniidae S. S. Berry, 1910 (1812) (source of synonymy)
Kaneconcha Kaim, Tucholke & Warén, 2012 † accepted as Janthina Röding, 1798 (source of synonymy)
Kaneconcha knorri Kaim, Tucholke & Warén, 2012 † accepted as Janthina chavani (Ludbrook, 1978) † (source of synonymy)
Parajanthina Tomida & Itoigawa, 1982 † accepted as Janthina Röding, 1798 (source of synonymy)
Parajanthina japonica Tomida & Itoigawa, 1982 † accepted as Janthina chavani (Ludbrook, 1978) † (source of synonymy)
Recluzia Petit de la Saussaye, 1853 (basis of record)
Recluzia aperta Jeffreys, 1859 accepted as Torellia vestita Jeffreys, 1867 accepted as Torellia delicata (R. A. Philippi, 1844) (source of synonymy)

Azores for Hartungia typica Bronn, 1861 † 
Azores for Janthina hartungi Mayer, 1864 † 
Azores for Janthina krejcii Beu, 2017 † 
Japan for Parajanthina japonica Tomida & Itoigawa, 1982 † 
Mid-Atlantic Ridge for Kaneconcha knorri Kaim, Tucholke & Warén, 2012 † 
Morocco for Acrybia (Hartungia) chouberti Chavan, 1951 † 
New Zealand for Turbo postulatus Bartrum, 1919 † 
Victoria (Australian state) for Heligmope dennanti Tate, 1893 † 
Western Australia (state) for Hartungia dennanti chavani Ludbrook, 1978 †