Daniel Vidalさんのイラストまとめ

All in all, Spinophorosaurus is congruent with some previous results by Stevens and Parrish (presacral series is almost straight), but not others (neck is more flexible than their analyses suggested, and the keystone is not on the cervico-dorsal transition, but the sacrum) 11/n

To understand how much more range of motion #Spinophorosaurus had in its neck per joint, here's a comparison between Spino (27º), #Haplocanthosaurus (20º) and #Camarasaurus (17º) at the DV1-CV12 joint (from the supplementary). One key factor is prezygapophysis elongation 10/n