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biggest theropods (Jurassic vs. Cretaceous)
JURASSIC: In all fairness, I think perhaps the Jurassic forms should
be considered separately from Cretaceous forms. In which case, I guess
Allosaurus amplexus would probably come in first and Torvosaurus in second
place(?) for named forms. But I wonder how big this German monster is!!!!
I would assume that it is probably an allosaurid, megalosaurid
(torvosaurid), or spinosaurid (or is such an assumption obvious?).
CRETACEOUS: However, I bet the Carcharodontosaurine allosaurids were
bigger though, and I think Giganotosaurus would be the favorite for biggest
Cretaceous theropod among the named forms. Not sure if the unnamed
Argentina form is supposed to be bigger or not.
As for Acrocanthosaurus, I bet it ends up being a basal
carcharodontosaurine. Would be interested to know how big the largest might
have been (whenever that information becomes publicly available).
From: "cliff green" <firstname.lastname@example.org>
To: "dinolist" <email@example.com>
Subject: re: biggest theropods
Date: Sun, 14 Jan 2001 15:16:59 -0800
Up here in the Morrison, we have Torvosaurus, which is pushing the 40
foot range based on incomplete material.
Please don't hate me for mentioning this, but what about the super
allosaur Epanterias? I understand that it is not officially recognized, but
it is real.
Jim Madsens outfit, Dinolab, made some casts of the original material
about 7 years ago.I was able to view all the material , including a femur,
and some ribs and dorsal vertebrea.
They gave me a claw cast taken from the original. It is at least twice
the mass of the same type of claw from a 30 foot A. Fragilis. Many people ,
myself included, think that it was just an extra hefty Fragilis, but that
doesn't make it any less monstrous. You're still looking at another 40
Acrocanthosaurus, based on the North carolina specimen, is the second
largest Theropod in North America, with the above mentioned being slightly
larger than the New York mounted T-Rex. There is some evidence of even
larger acros, but I will have to make sure I have permission, before I can
And as far as being silly for speculating, guilty as charged. Isn't
all part of the fun? I always thought that speculation led to
which led to conclusion.
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