Traits attributes list
- Glaucilla bennettae (Churchill, Á. Valdés & Ó Foighil, 2014): neuston
- Glaucilla marginata Reinhardt & Bergh, 1864: neuston
- Glaucilla mcfarlanei (Churchill, Á. Valdés & Ó Foighil, 2014): neuston
- Glaucilla thompsoni (Churchill, Á. Valdés & Ó Foighil, 2014): neuston
- Glaucus atlanticus Forster, 1777: neuston
- Janthina chavani (Ludbrook, 1978) †: neuston
- Janthina exigua Lamarck, 1816: neuston
- Janthina globosa Swainson, 1822: neuston
- Janthina janthina (Linnaeus, 1758): neuston
- Janthina krejcii Beu, 2017 †: neuston
- Janthina pallida W. Thompson, 1840: neuston
- Janthina typica (Bronn, 1861) †: neuston
- Janthina umbilicata A. d'Orbigny, 1841: neuston
- Recluzia johnii (Holten, 1802): neuston
- Recluzia lutea (Bennett, 1840): neuston
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