Re: Spinosaurus sail

[Dinogeorge@aol.com]

In a message dated 7/26/01 6:15:02 AM EST, kielyrobert@hotmail.com writes:

<< Is it true that Spinosaurus could arch its back and therefore spread out 
the 
 neural spines?
 Sorry if you have discussed this before:-) >>

We can't be certain of how the animal behaved when alive, but the shapes of 
the vertebrae do permit some dorsoventral flexing of the spinal column, which 
would act to spread the tips of neural spines apart.