Spirula is the only genus of squid with an internal shell, a relic of their ammonoid ancestors. When spirula die their fragile shells float to the surface and are collected on the beaches as "rams' horn shells." This one is encrusted with barnacles.
Charming Deep sea Photo Wallpaper Custom Ocean Scenery wallpaper Large Mural Wall painting Room Decor Silk wall Art Bedroom Kid's room Home. , maybe one on a smaller scqle, but looking up to the top as a ceiling mural