doted ammonite shell

vector ammonite nautilus argonaut cephalopoda shellfish mollusk clam mollusc sink shell conch exoskeleton nautical sea marine maritime naval salt marine life animal mantelliceras perisphinctes peltoceras trachyceras sohlites sokolovites radstockiceras raimondiceras pseudoneoptychites pseudonomismoceras spiral helix volute spire scroll curl gyre loop snail width swirl twiddle volute volution whorl crimp stipple dot point period full stop whet dotted old-fashioned frumpy old-fangled outmoded out- -date old school retro vintage monochrome