Today is an exciting day here at SV-POW! Towers, with the publication of the new dinosaur Xenoposeidon proneneukos , based on — you guessed it — a sauropod vertebra. The reference is: And what a vertebra it is! Let’s take a look: Here we see the vertebra from both sides: on the left side, we see it in left lateral aspect, and on the right, in right lateral.