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Re: The Croc That Wanted to Be a Dinosaur
----- Original Message -----
From: "Jaime A. Headden" <email@example.com>
Sent: Friday, January 27, 2006 4:06 AM
Subject: The Croc That Wanted to Be a Dinosaur
I will not, for the sake of the online publication,
use the name Nesbitt and Norell propose for their taxon, not because I
it useless but because I'd rather wait for the print version unless
_Proceedings of the Royal Society, series B_ has joined the digital
age in committing to digital nomenclature, as in _Naturwissenschaften_ and
Apparently both Proc. R. Soc. B, or at least its supplements, have joined
the trend of publishing digitally first -- and so has Nature. (Search the
pdf on the complete sequencing of the mammoth mitochondrial genome. You will
find it marked as "18 December 2005", a day that no Nature issue appeared,
lacking an issue number, and having the page numbers 1 to 4.)
Besides, there is _really_ no use in not mentioning the name *Effigia*. You
could not possibly jeopardize valid publication -- the print version is at
most a few days away; nobody can scoop that.
However, several features reveal the crocodilian nature of the skeleton,
The only clade it belongs to whose name starts with "croc" is
Crocodylotarsi. Apart from that, it is a member of Suchia. It is outside
Crocodylomorpha, the largest clade ever called "crocodiles" in at least the
last few decades.
Note that not only is *Lagerpeton* included is a phylogeny testing the
placement of various crurotarsans, but so is *Marasuchus* and both are
dinosauromorphans. Technically, so is Pterosauria....
By definition it's not.
It should also be worthwhile to note that *Lotosaurus*, a
semi-finback with edentulous jaws from China, is the sister taxon to
*Shuvosaurus* + the new taxon, which are nested as "ctenosauriscids" (when
referring to Nesbitt's work on *Arizonasaurus*).
Having *Lotosaurus* in there is the really weird part!
Rauhut, O. W. M. 1997. Zur schadelanatomie von *Shuvosaurus
inexpectatus* [On the cranial anatomy of *Shuvosaurus
inexpectatus*], pp. 17-21, in Sachs, S., O.W. M. Rauhut & A.
Weigert (eds.) _Treffen der deutschsprachigen
palaeoherpetologen_ [Meeting of the German-Speaking
Palaeoherpetologists]. (Germany: Alfred-Wegener-Stiftung.) [in
Unfortunately this is how Nesbitt & Norell cite it. But it's
"Schädelanatomie" and "Palaeoherpetologen" (...though most people, including
myself, would spell the latter with ä instead of ae). Apart from the
importance of the dots for pronunciation, German Does Not Have Separate
Rules for Headlines; all nouns always start with a capital letter, and
nothing else ever does (unless part of a proper name).