any official terminology? Nomenclature versus Taxonomy

[Ron at]

----- Original Message -----
From: "Edwards, G.B." <edwardg at DOACS.STATE.FL.US>
Subject: Re: any official terminology? Nomenclature versus Taxonomy

snip

 I might disagree in principle with the concept that several
valid combinations could be in existence simultaneously, since it could
be argued that the most recently published combination should be the
valid one.  But if that always was strictly followed, inadvertent
changes would be made too many times by authors who were not aware of
the most recent literature.
************

To all:
Since I am just getting to emails and starting at the oldest and working my
way up, various points may have already been commented on and clarified or
settled.    But coming in late....   The term "valid" is another like
"official" that has different meanings and is thus subjective due to the
(unknown) interpretations of the speakers and hearers.   Per the ZN Code,
there can only be one "valid" species name for a taxon.   So in that sense,
no there can not be several simultaneously valid specific names.  But in
regard to species genus combinations there can be several valid
combinations because these are a matter of taxonomic concept.   Here is a
simple example -- Aus bus or  Gus bus or Aus (Gus) bus.    None of these
are "wrong".  Thus, all are valid, each to the concept of the taxonomist
that employs it as such.

Ron Gatrelle