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Re: more henpecking on 2008-beta WWD
So was there a particular reason why 'polar allosaur' was dropped in favor of a more general 'carnosaur' in this version? Did they decide that it was more bipolar than polar?
'cos the big Oz Cretaceous theropods can't be tied to particular
families? So far, they are known from scrappy material and good
footprints, which provide palaeoecological data but are not particularly
good for phylogenetics.
And why was Deinosuchus referred to as an alligator rather than a crocodilian?
Just American bias? Or is the snout more alli than croc in current circles?
It's more 'alligatory' .
One of the most jarring changes is the dropping [or at least de-emphasizing] of the meteor hit
off Yucatan - was this a time constraint or is the K-T boundary no longer thought to be the finish line?
Some people are talking about multi-causal factors over the latter parts
of the Maastrichtian, rather than a single cause at the boundary (see
some of the books by Peter Ward on the subject). Not that there's a
consensus for the extinction being a result of mulitple impacts, or
impacts + Deccan Traps volcanism, but maybe the producers were talking
to someone like Keller who's been taking aim at the 'K-T extinction =
Chicxulub' idea for a while (e.g.
Computational Biomechanics Research Group http://www.compbiomech.com/
School of Engineering (Mech Eng)
University of Newcastle
t: +61 2 4921 8879