Published in Sauropod Vertebra Picture of the Week

In a comment on the previous post, Steve P. asked whether “ Apatosaurus minimus might not be a Apatosaurus specimen after all — particularly, an Apatosaurus ajax individual resembling NSMT-PV 20375, the one in the National Science Museum, Tokyo, that Upchurch et al. (2005) so lavishly monographed.