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Re: What did Spinosaurus eat? New species of Lepidotes found



On Fri, Mar 4, 2011 at 12:37 AM, Augusto Haro <augustoharo@gmail.com> wrote:
> 2011/3/3 Don Ohmes <d_ohmes@yahoo.com>:
>> Is the record complete enough to state w/ any confidence that sails are
>> proportionally larger in large spinosaurid species as opposed to smaller
>> species, thereby fulfilling the prediction that follows from a speculated
>> heat radiator function for a sail?
>>
> As far as I know, sails are proportionally larger in the larger taxa
> of some non therapsid synapsid groups (pelycosaurs), supporting your
> viewpoint. There are, however, "pelycosaurs" without sails which are
> much larger than the largest ones with sails.

I thought *Dimetrodon* was among the largest "pelycosaurs"? Which ones
are much larger?



-- 
Andreas Johansson

Why can't you be a non-conformist just like everybody else?