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Re: Achillobator - how big is it??
T. Michael Keesey wrote:
Three times the size, not length.
> The femur of _Achillobator_ is about 50cm long. As a ROUGH guide to the
> size of smaller dromaeosaurids, the total adult body length is about ten
> times the femoral length: _Deinonychus_'s femur is about 30cm,
So 5/3 as long and three times as massive -- that doesn't sound too
weird, does it? I'm probably/roughly/nearly three times as massive as
someone 3/5 my height.
Point taken. Which gives _Achillobator_ a body LENGTH of 5m at best. Not
so _giganticus_ in my opinion. _Utahraptor_ is larger.
Actually the point of my post was not to quibble about which dromaeosaurid
is bigger/longer/heavier/sexier, but how one would estimate the size (length
in this case) of the total animal. Is there a tendency among maniraptorans
to have shorter hindlimbs with increasing body size? Like the growth series
of a tyrannosaurid, for example.
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