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Re: Dakota the Dinosaur Mummy
It is quite possible that the researchers have well preserved ligament
structure which could lead to an up estimation for maximum speed. Muscle
mass isn't always reliable (after all who can say at what endurance scale
hadrosaurs were optomised for? Tyrrannosaurids would have been fairly
effecient walkers and you can often out walk prey that you can't out run)
But, as the specimen isn't published, we're going off of National
Geographic... which isn't a good thing. Basically, most of us don't know
what is going on.
What concerns me more is the assertion that webbing on the hand (more like
syndacty) would lead to improved swimming and ease the consumption of
(Ottawa Paleontology Club)
----- Original Message -----
From: "franklin e. bliss" <email@example.com>
Sent: Sunday, December 02, 2007 7:23 PM
Subject: Dakota the Dinosaur Mummy
Delurking for a moment.
None of the posted links seem to work for me so speaking from only the
posts so far......
How does a "big ass" translate into the animal moved more quickly?
Besides, filling a skin capsule could be with fat or fat marbling muscle
instead of pure muscle. Iguanas et al use their hind ends/ tails to store
fat for instance. I ask, is there a likely possibility other than the
obvious inverse relationship that one would expect (that adding mass
decreases speed)? Having a "big ass" certainly could lower the center of
gravity but that doesn't make a Ferrari out of a LandCruiser. The
biggest horses are not the fastest ones by any means. That is why the
Clydesdales pull beer wagons and don't go out jogging at the race track
every day. I'll place my wager on the T-rex (assuming they were hunters
and not just overgrown vultures) against the "fat ass" (ed) hadrosaur any
day and take odds on the bet.
Frank (Rooster) Bliss
On Dec 2, 2007, at 1:38 PM, MKIRKALDY@aol.com wrote:
In a message dated 12/2/2007 3:16:07 P.M. Eastern Standard Time,
<I suspect this is an embargo break of a story the National Geographic
Society has embargoed until closer to the time the television show
Agencies may distribute the news earlier, but papers are supposed to
Possibly--there's more of the story on the National Geographic website:
"Based on the dimensions of Dakota’s skin capsule, paleontologists have
calculated that the duckbill’s posterior was 25 percent more massive
expected. Manning puts it a bit crudely: 'This animal had a big ass.' "
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