Published in Sauropod Vertebra Picture of the Week
Author Mike Taylor
![](https://svpow.files.wordpress.com/2012/07/upchurchetal2005-apatosaurus-ajax-plate4-sacrum.jpeg?w=480&h=450)
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.