Anachis rugosaAnachis rugosa is a species of sea snail in the family Columbellidae, the dove snails.DescriptionThe shell is oblong and somewhat humped in the middle. It has a dusky epidermis, and the spire's apex is usually eroded. There are 7 whorls, which are longitudinally ribbed and rugose. The body whorl is spirally ribbed below and longitudinally ribbed above, with all ribs bearing a single tubercle on top. The aperture is somewhat open.DistributionThis species occurs off California, USA and in the Gulf of California and in the Pacific Ocean off Costa Rica, Panama and Ecuador