www.specimenshells.net SPECIMEN SHELLS NATICIDAE Polinices (Mammilla) mammatus Polinices (Mammilla) mammatus 19mm Polinices (Mammilla) mammatus 17mm Polinices (Mammilla) mammatus 16mm Polinices (Mammilla) mammatus 18mm Polinices (Mammilla) mammatus 25mm		Polinices (Mammilla) mammatus 19 mm - F+ 17 mm - F+ 16 mm - F+ 18 mm - F+ 25 mm - F+