[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]
Re: Noasaurids (Re: Late Triassic Footprints with Reversed Hallux)
> Lack of preservation doesn't mean it wasn't there, but the pes of
> *Velocisaurus* is slender enough to suggest reduction to three toes
> entirely.... All other "sickle-claw" theropods have a first toe, though,
> but this does not mean any noasaurid lacked it or possessed it. There may
> or may not always be a facet for articulation of the first metatarsal, as
> has been clear with problems of articulating a disarticulated first
Interesting ... so it's possible that there are other forms with reversed first
pedal digits, and we'd never know without an articulated specimen?
> Why ceratosaur?
I was just tying to think of groups with aberrant feet. Maybe it's a
misperception, but it seems to me that theropod pedes are pretty uniform except
for noasaurids and certain coelurosaurs.
> basal abelisaurs are:
> *Quilmesaurus curriei*
Wasn't this described as a theropod of uncertain affinities?
> *Genusaurus sisteronis* is a "ceratosaur" with features similar to basal
> ableisaurs. I will be covering this on my website ... with illustrations
=====> T. Michael Keesey <firstname.lastname@example.org>
=====> The Dinosauricon <http://dinosauricon.com>
=====> BloodySteak <http://bloodysteak.com>
=====> Instant Messenger <Ric Blayze>
Do You Yahoo!?
Sign up for SBC Yahoo! Dial - First Month Free