YUP; PTEROSAURS MOSTLY FLEW WHILE DINOSAURS WERE TERRESTRIAL; MARINE REPTILES LIVED IN THE WATER WHILE DINOSAURS LIVED ON LAND; YUP; SO THAT MEANS SINCE THEY'RE NOT FULLY TERRESTRIAL THEN THAT MEANS THEY'RE NOT DINOSAURS; THAT MAKE SENSE TO ME; DINOSAURS; THEN WHAT ARE THEY?