a clam shell - anodonta sp. is a species of freshwater mussel, an aquatic bivalve mollusk in the family unionidae, the river

abstract animal anodonta background beach bivalvia cardboard clam color concept conceptual decoration decorative design gravel ground group material mineral mollusc mollusca mollusk mussel natural nature outdoors oval pattern pearl pebble pebbly river rock round sand shape shell shingle small smooth stone stony subsoil texture textured unionidae variation water wildlife worn