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Re: Suchomimus vs Baryonyx: Dare to Compare

Has anyone identified any fresh water ichthyosaurs, mososaurs, or
plesiosaurs from the same areas?
Maybe it ate the youngsters of these as well as fish, the occasional
duck, etc...

-Betty Cunningham

M.Alan Kazlev wrote:
> yes, the crocodile analogy sounds more logical - crocodiles of course
> grew to spinosaur size.  However the metabolism is different - crocs are
> ectotherms, whereas spinosaurs like other theropods would have probably
> been quasi-endothermic adults (and fully endothermic during the rapid
> growth phase when young).
> In fact, all crocodile anologues - phytosaurs, champsosaurs,
> cochleosaurs, eryopids, etc were *all* ectothermic
> > Lets examine this. We have to play the picture all the way through.
> > Sure
> > it has a skull that looks similar to that of a ghavial. But the
> > nostrals
> > are still on the side of the skull and not the top,
> which *does* seem to mitigate against a semi-aquatic life-style
> > so it didn't float like a ghavial. It couldn't swim like a ghavial.
> > The whole body
> > ungulates, not just the tail. So we rule out swimming to catch a fish
> > (it would have to have been a deep river, lake, to begin with). So it
> > stood up to it's belly in a river. The rivers bottom would have to
> > have
> > been hard or it would have sunk into the mud. IT would have to have
> > fast
> > reflexes to catch the fish. The water would have to have been clear
> > for
> > it to see the fish. A 6 foot fish swiming in 6 feet of water is
> > awfully
> > shallow for it. The biggest fish usually are at the deepest part of
> > the
> > lake/river.
> >
> > So I say no fish eater. What did it eat then? Terrestrial animals of
> > course.
> *but* then why the elongated snout and conical (fish-eater) teeth?The
> whole beast is an enigma!