Ratkevich and Thayer then visited the displays in the American Museum of Natural History , concluding their find was rather dissimilar to the hadrosaurid skeletons shown there .
It must represent a species new to science .
Ratkevich and Thayer then visited the displays in the American Museum of Natural History , concluding their find was rather dissimilar to the hadrosaurid skeletons shown there , so that it must represent a species new to science .