(First of all, for anyone who’s not familiar with the plural of “pubis”, it’s spelled “pubes” but pronounced “pyoo-bees”. Stop sniggering at the back.) As Matt and I struggle to figure out the partial pubis that is one of the elements of the “ Apatosaurus ” minimus specimen AMNH 675, one of the most helpful references is Osborn and Mook’s (1921) epic monograph on Camarasaurus . It’s not that 675 particularly resembles