Janthina janthina (Linnaeus, 1758)

first description:
type location:
size: mm 16-20
depth:
distribution: Tuamotu
no photo for this shell 		sinonim:
= bicolor Menke,1828
= carpenteri Moerch,1860
= contorta Carpenter,1857
= fragilis Lamarck,1801
note: