King S Crown Seashell - King's Crown Seashell. A Gastropod. Melongena Corona. Usually Found Among The Mangroves And Oyster Beds. Up To 4 In Size. Tends To Be More Of A Bay Shell Because Of Its Habitat. This Is Not Usually A Shell To Be Found Along The Beach Unless You Are Near A Pass Of Other Area Where Oyster Bars And Mangroves Are Near. Color Form And Spine Structure Can Vary Greatly From One Area To The Next. Photo