phyllacanthus imperialis or sputnik urchin. seashell. black and white square card. hand-drawn collection. .

animal aquatic background beach black card cards clam cockleshell collection decoration design drawing element exotic graphic greeting handdrawn icon illustration imperialis isolated life marine mollusk murex natural nature nautical object ocean oyster pattern pearl phyllacanthus scallop sea seafood seashell shape shell shellfish sketch snail spiral sputnik square star starfish summer symbol travel tropical underwater urchin vacation vector water white wildlife