IL3248655: Shell; wildlife; Africa; habitat; water; seashore; Acorn Barnacle; Cuttle Bone; Burrowing Crab; Turnstone; Mermaids Purse; shells, Shell Guide to the Water's Edge (designed and printed by Shell in East Africa), 1960's (colour litho), Fennessy, Rena (20th century) (after) / Bridgeman Images