Neptunea arthritica (Valenciennes, 1858)

Japan (93 mm.)
Neptunea arthritica (Valenciennes, 1858)
Sakalin Island, Russia (70 and 77 mm.)
Neptunea arthritica (Valenciennes, 1858) Sinistral

    East China Sea (76 mm.). All three digital images copyright 2017 by Simon Aiken. Also see: Sinistral Neptunea arthritica cumingi Crosse, 1862