Message 2004-10-0120: Re: Fwd: PROPOSED ARTICLE X - autonyms

Sat, 18 Sep 2004 13:25:57 -0700 (PDT)

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Date: Sat, 18 Sep 2004 13:25:57 -0700 (PDT)
From: [unknown]
To: Mailing List - PhyloCode <>
Subject: Re: Fwd: PROPOSED ARTICLE X - autonyms

--- Philip Cantino <> wrote:

> I like Jon's autonym idea in principle but I am still working throu=
> the ramifications.  For example, if this approach were adopted, Pan=
> will presumably be one of the affixes that would be used.  Will=
> registering Pan- as an autonymous prefix for panstem clades prevent=
> me from using a name beginning with Pan- as the formal name for a=
> panstem clade?
> I suppose the names could take a different format so that people=
> woule easily recognize whicha re autonyms.  For example, use of the=
> connecting hyphen could be restricted to autonyms.  If this is=20
> acceptable, I could choose to use Panangiospermae as the official=
> name of the panstem of Angiospermae without people thinking it is a=
> autonym.

But why would you need _Panangiospermae_ as a taxon when _Pan-Angiosp=
would already exist?
> What about competition between different affixes with different=
> definitions?  For example, would Pan-Mammalia compete for priority=
> with Corona-Synapsida?

_Corono-Synapsida_ would be a heterodefinitional synonym of _Mammalia=
_, not

> >Example X5. Corono-; prefix; the most recent common ancestor of al=
l extant
> >members of the base clade, and all of its descendants; no qualifyi=
ng clause;
> >the term based on the name of the most inclusive base clade has pr=
> >Headden and Keesey; 2004.
> I don't understand "the term based on the name of the most inclusiv=
> base clade has priority". Would you give an example of how this rul=
> for priority determination would be used?

As I understand it, _Corono-Synapsida_ would be given priority (or pe=
primacy or preference would be better terms here) over _Corono-Therap=
_Corono-Cynodontia_, etc.

=3D=3D=3D=3D=3D> T. Michael Keesey <>
=3D=3D=3D=3D=3D> The Dinosauricon <>
=3D=3D=3D=3D=3D> Instant Messenger <Ric Blayze>

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