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Re: Biggest predators

-----Original Message-----
From: Jaime A. Headden <qilongia@yahoo.com>
To: dinosaur@usc.edu <dinosaur@usc.edu>
Cc: veselinka.stanisavac@siol.net <veselinka.stanisavac@siol.net>
Date: 17. marec 1999 4:48
Subject: Re: Biggest predators

>  Fat and robust, but not flat bottomed. You want digger-type claws,
>*Pelecanimimus* and *Anserimimus* are the animals for you, with very
>flat-bottomed claws. *Deinocheirus'* claws are, even though they are
>fat, have quite a round upper curvature (weak under-curvature), and
>may have sported more than a short, downwardly pointed sheath that
>would have been great should the animal ever need defend itself.
><On the other side, Therizinosaurs claws were exactly scythe-like with
>razor sharp edge: One "slap" with the hand armed with those claws
>would shred the opponent to ribbons (remember the Elm Street?).
>Perfect for cutting throats of long-necked dinosaurs.>
>  Except the claws are just as weakly recurved as *Deinocheirus'*, and
>would have been more suited to poking things that slashing them. They
>had rounded bases, but agreeably were less rounded than
>*Deinocheirus*, but more sharper than even *Deinonychus*! Vexacious.
People designed the shape of the scythe throughout many centuries, to get
the perfect design for cutting (not poking!) - the design of Therizinosaurus
claws is exactly the same shape. How about the idea of scavenging? Cutting
the belly of big carcass with claws and pushing its relatively small head on
a long neck into it to get to  the internal organs? Just like vultures are
doing today (except for the claws).
On the other side, f the animal was herbivorous, it might have used the
claws like a real scythe after all - cutting the tough plants before chewing
upon it. The claws would have been a great defensive weapon, too.

If Deinocheirus had termites on its menu (pure speculation) the shape of its
claws would have been perfect for opening up their mounds.
If Deinocheirus was herbivorous, its hands would have served for grasping
branches, regardless of the relatively less rounded curvature of its claws,
using also the opposed first finger. Its claws would have been a great
defensive weapon against Tarbosaurus, too - although it would have rather
tried to flee - to outrun the tyrannosaur.

Berislav Krzic (Kr?ic)