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Taxonomy > Epitoniidae > Janthina < Previous species - Next species > (within the family) Janthina globosa Swainson, 1833 Keen (1971) Sea shells of tropical West America. Marine Mollusks from Baja California to Peru. - p. 442 Keen (1971) Sea shells of tropical West America. Marine Mollusks from Baja California to Peru. - p. 442 [as Janthina prolongata] Brusca (1980) Common intertidal marine invertebrates of the Gulf of California. 2nd edition. - p. 166 [as Janthina prolongata] Gurgo Salice & Cáceres (2021) Baja Californian sea shells. - p. 56 Gurgo Salice & Cáceres (2021) Baja Californian sea shells. - p. 56 [as Janthina umbilicata] Statistics Frequency occasional - 21 localities (10.66 %) Sediment 47 (0 fine >> 100 coarse sediment) Size and comments The maximum diameter of 40mm - as indicated by internet resources - is far not reached by beach finds that reach 20mm. Images Larger diameter 16.1mm. Taxonomy > Epitoniidae > Janthina < Previous species - Next species > (within the family)