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Date: Mon, 10 Oct 2005 13:55:44 -0700 (PDT)
From: [unknown]
To: Phylocode <phylocode@ouvaxa.cats.ohiou.edu>
Cc: David Marjanovic <david.marjanovic@gmx.at>
Subject: Re: Stormbergia dangershoeki, new Early Jurassic ornithischian from South Africa
David Marjanovic (david.marjanovic@gmx.at) wrote: <Recommendation, maybe even Rule: Clade names created by adding a prefix to another clade name should/= must be=20 defined in a manner consistent with the meaning of the prefix.=20 Example 1: *Euornithopoda* (author, year) should/must be defined in s= uch a way that it can maximally be a junior heterodefinitional synonym of *Orni= thopoda* (author, year), assuming that both names are to be defined. The reaso= n is that eu- means "good, true" in Classical Greek and has historically been u= sed to designate taxa within those described by the corresponding prefixless= names.> Not only will this end up dictating naming conventions, but it assu= mes that the prefixes will not be used in any other way. The Eulipotyphla, for= example, doesn't refer to a subset of a monophyletic Lipotyphla any more than = Euarchonta does a subset of a monophyletic Archonta. The latter names being para= phyletic, the "eu-" names being defined to contain a monophyletic assemblage, t= he "true" members of the clade. Such naming conventions would then be carried t= o "genera" such as *Euoplocephalus* (which wasn't named from a *Oplocephalus* bu= t WAS named in allusion to another taxon for which the name was built from,= hence the "true armored head"). Cheers, Jaime A. Headden "Innocent, unbiased observation is a myth." --- P.B. Medawar (1969) =09=09 __________________________________=20 Yahoo! Music Unlimited=20 Access over 1 million songs. Try it free. http://music.yahoo.com/unlimited/