PENTCOPTERUS DECORAHENSIS FOSSIL FOUND.

THIS WAS A 6 FT SEA SCORPIN  WHICH LIVED 467 MILLION YEARS AGO ,THIS FOSSILISED REMAINS REMAINS  WERE FOUND DURING AA DIG IN IOWA,U.S.A.THIS CREATURE HAD A EXOSKELETON WHICH SHIELDED ITS HEAD AND A PADDLE LIKE SWIM.