"The term 'dinosaur'," says Eleven in his best professor voice, "is restricted to just those reptiles descended from the last common ancestor of the groups Saurischia - those who walked on two legs - and Ornithischia - those who walked on four legs. The reptiles who flew and swam are not classified as such by your scientists. Not currently, anyway."
"Didn't some scientists just find out a few months ago that Spinosaurus could swim, though?" Jesse points out.
The Time Lord nods. "They found that it had a number of anatomical features that suggested it was semi-aquatic, yes. Perhaps that will be the catalyst that will change their 'dinosaurs don't swim' views." He shrugs.
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4/1/15 19:43 (UTC)"Didn't some scientists just find out a few months ago that Spinosaurus could swim, though?" Jesse points out.
The Time Lord nods. "They found that it had a number of anatomical features that suggested it was semi-aquatic, yes. Perhaps that will be the catalyst that will change their 'dinosaurs don't swim' views." He shrugs.