cayenne keyhole limpet from kauai beach in hawaii

animal animalia apical atlantic beach beautiful big cavity cayenensis clade cone cyprus decoration decorative detritus diodora feeders fissurelidae fissurellidae fissurelloidea gastropoda gastropods hawaii herbivorous isolated life like limpet mantle marine medium mollusca molluscs natural nature ocean pacific perforation reticulate sculpture sea seafood seashell shell small snail vetigastropoda