Message 2004-10-0047: Re: Panstems

Mon, 13 Sep 2004 12:54:23 -0700

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Date: Mon, 13 Sep 2004 12:54:23 -0700
From: [unknown]
To: phylocode@ouvaxa.cats.ohiou.edu
Subject: Re: Panstems

David Marjanovic wrote-

> > Aves 1758 < Avemetatarsalia 1999. 241
>
> (Perhaps I should mention that synonyms for Avemetatarsalia, like t=
he
> misnomer Ornithosuchia, come from the early 90s if not late 80s. Do=
esn't
> change much about the point, however.)

True, but Ornithosuchia would be rejected by Phylocode anyway, as
Ornithosuchus isn't a specifier, so I went with the next most recent =
defined
clade name.

> > Which names have been
> > associated with more clades than Mammalia, Reptilia and Aves?
>
> Reptilia has only been associated with one clade, AFAIK, but the ot=
hers
have
> been attached to basically everything from panstem to crown. (Haven=
't
there
> even been attempts to exclude the monotremes from Mammalia?)

Also perhaps true, though Reptilia has had numerous proposed usages o=
ver the
years- paraphyletic term for non-avian, non-mammalian amnoites; crown=
 for
living reptiles, which includes birds; rejected outright due to its o=
riginal
paraphyletic nature; etc.  Certainly more than Sauropsida, I would th=
ink.

Mickey Mortimer
Undergraduate, Earth and Space Sciences
University of Washington
The Theropod Database - http://students.washington.edu/eoraptor/Home.=
html

  

Feedback to <mike@indexdata.com> is welcome!