Janthina Röding, 1798 (basis of record)
Janthina fragilis Lamarck, 1801 accepted as
Janthina janthina (Linnaeus, 1758) (source of synonymy)
Janthina globosa Swainson, 1822 (subsequent type designation)
Janthina globosa Swainson, 1822 (basis of record)
Janthina janthina (Linnaeus, 1758) (basis of record)
Janthina pallida W. Thompson, 1840 (basis of record)
Janthina pallida W. Thompson, 1840 (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)
Janthinidae Lamarck, 1822 accepted as
Epitoniidae S. S. Berry, 1910 (1812) (source of synonymy)