My Jurassic Park - Bones

[Troodon]

58 minutes ago, LordTrilobite said:

Though what I'd really like to see is a definite Sigilmassasaurus dorsal vertebra that is complete so we can find out if it had a sail or not. There are dorsal vertebrae with the same rugose ventral plateau, so my hunch is that those also belong to Sigilmassasaurus even though none such vertebra has been described.

That was another item I was looking for at the show but none had spines or the platform.

[Troodon]

1 hour ago, LordTrilobite said:

I've not seen a whole lot of complete cervical Spinosaurus vertebrae. But from what I have seen it does seem like Spinosaurus has taller neural spines on the neck than Sigilmassasaurus 

I took another look at that Cervical and the spine is pretty complete except for the Anterior corner.  It has sections that have a smooth rounded edge.  Again it's a juvie so we really don't know what the sail looked like at different growth intervals.