[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
Re: Suchomimus tenerensis
--Original Message--From: email@example.com. 23 November 1998 08:21
>Jaime A. Headden wrote:
>> However, I caution you, Caleb, on dismissing the piscivore
>> hyposthesis on basis of size, whereas the skull seems supremely
>> adapted for fish. It would appear to me, immediately, that a
>> multiple-animal diet, one of the dry season and one of the wet season
>> in a temperate clime and time where it would not conceivably snow (am
>> I wrong, anyone?), would seem the most parsimonious explanation for
>> all the parts.
>One of the problems that I have for it being a piscivore is sure,
>looking at the skull from either top or bottom its thin, like a ghavial,
>but from the side it higer. Piscivore's need a long thin skull so they
>can swip the skull throu the water to catch fish.
>Now I don't know how a high skull would work hydrodynamically under
>water, but I think a higher thin skull would be a hinderance.
Crocodilians hunt with their heads underwater, and make the 'snatch' by
moving the head sideways. More terrestrial types will look down into the
water from above; their strikes will usually have a very small sideways
component. Maybe pterosaurs provide a better model for comparison.
John V Jackson firstname.lastname@example.org
"So many professors . . . so little time . . ."