abstract background of fossil ammonites, decorative wallpaper of petrified shells, print from white spirals of seashells

abstract ammonite ammonites ammonoidea ancient art background banner blue cephalopod close decoration decorative fibonacci fossil fossilized gemstone granular half luxury mollusk nautilus paleontology pattern petrified picture print relief reticulation sea seashell shape shell shellfish spiral stamp swirl texture textured wall wallpaper white