The image has become synonymous with the species, but there's one small detail that's unique to AMNH 5027. The dinosaur in the Jurassic Park artwork has a small bump on the inside of its skull.

As happy as I am to encounter petrified skeletons I’ve never seen before in museum halls, there’s something comforting about rounding a corner to find a cast of AMNH 5027 – the first ...