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Date: Tue, 14 Sep 2004 16:38:04 -0700 (PDT)
From: [unknown]
To: David Marjanovic <david.marjanovic@gmx.at>, phylocode@ouvaxa.cats=
Subject: Re: The Pancompromise?
David Marjanovic (david.marjanovic@gmx.at) wrote:
<For clarity, I should mention that I interpret Rec. 10A as to
de-facto-forbid *Panmammalia* and to de-facto-mandate the conversion =
of
either Synapsida or Theropsida to the name of that clade.>
Indeed, I agree with both Jon and David that the recommendation of
continuity argues that Pan-stems will be disruptive if they are used =
to
REPLACE names used today for total-content clades. Instead, pan-stems
using the Pan- prefix should only be coined for NEW pan-stems, not fo=
r
ones names already. This requires only one change, and that was what =
Jon
mentioned: elevate Recommendation 10A to a rule, and change the langu=
age
to reflect it being a rule, and not a suggestion (i.e., "should" beco=
mes
"does").
<Perhaps it would be appealing to give the *Pan-* convention some con=
text,
as the following recommendation could do:
Authors are encouraged to give the names of sistergroups identical, i=
f
any, suffixes. This applies especially to the two stem-based clades o=
f a
node-stem triplet. Care should, however, be taken to avoid implicatio=
ns of
rank if these are not desired (many suffixes are regulated by preexis=
ting
codes to convey information on ranks).>
I would think this ushers in Linnaean-esque enjoyment, which mandat=
es
that equivalent sister ranks have the same ending, at least under
Family-level taxa, and employed for use in Orders ("-oidea," "-acaea,=
"
etc.). And this also reflects another example of not being able to na=
me
taxa freely.
I have a simple observation: PhyloCode is about defining names and
linking them to clades firmly ... it should NOT be about how to name
names. That way runs to the ICBN/ICZN, and I was under the impression=
, at
least from talking to Michel and Phil, that the PhyloCode was to run
concurrent, not try to replace, the existing codes. My real enjoyment
would be to get the current codes to recognize ALL levels of taxa, an=
d to
make the use of ranks faculative, i.e., optional. This will not likel=
y
happen, but it would be easier to work with all the codes together.
Cheers,
=3D=3D=3D=3D=3D
Jaime A. Headden
Little steps are often the hardest to take. We are too used to mak=
ing leaps in the face of adversity, that a simple skip is so hard to =
do. We should all learn to walk soft, walk small, see the world arou=
nd us rather than zoom by it.
"Innocent, unbiased observation is a myth." --- P.B. Medawar (1969)
=09=09
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