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Re: Postosuchus skull described



I would also appreciate a copy of this PDF if anyone has it

Sent from my iPod

On Feb 24, 2011, at 2:20 PM, "bh480@scn.org" <bh480@scn.org> wrote:

> From: Ben Creisler
> bh480@scn.org
> 
> A new paper that may be of interest from the Feb 2011 issue of Paleobios--I
> don't have the full ref with doi and page numbers, unfortunately.
> http://www.ucmp.berkeley.edu/science/paleobios/index.php
> 
> 
> Weinbaum, J.C. (2011)
> The skull of Postosuchus kirkpatricki (Archosauria: Paracrocodyliformes)
> from the Upper Triassic of the United States.
> Paleobio 30(1):            (February 18, 2011) 
> http://www.ucmp.berkeley.edu/science/paleobios/abstracts_26to.php#pb301
> 
> The skull of Postosuchus kirkpatricki Chatterjee 1985 is known from the
> holotype and paratype specimens along with disassociated skull elements
> from several Triassic localities in the southwestern and eastern United
> States. Recent preparation of the holotype skull allows for more careful
> examination of the cranial elements and comparison with related taxa. This
> description indicates that Postosuchus shares several previously
> unrecognized synapomorphies with crocodylomorphs, including fossae and
> foramina in the dermatocranium that are not present in other basal
> pseudosuchians. The sutural arrangements of the skull of Postosuchus
> presented in this paper differ considerably from previous descriptions, due
> in part to the reassignment of what was previously considered the
> prefrontal to the palpebral bone. Also, further preparation of skull
> elements revealed morphologies that differ from previous descriptions. This
> new description also indicates a close relationship with Polonosuchus
> silesiacus Sulej 2005. The only autapomorphic characters of the skull are a
> distinct, rounded lateral ridge on the maxilla and a foramen present in a
> large fossa on the anteromedial surface of the maxilla.
> 
> 
> 
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