sea shells venus comb murex pecten, sea snail shell, marine gastropod mollusk in the family muricidae sketch black contour on

drawn drawing line isolated white sea snail murex pecten doodle sketch shell vector illustration nature ocean life marine aquatic starfish design graphic beach summer beautiful art travel symbol natural vintage object vacation seashell nautilus composition decoration element animal creative exotic spiral biology museum collection conch souvenir scallop mollusk tropical shellfish seafood oceanic aquaculture gastropoda bivalvia on hand