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Date: Sat, 25 Sep 2004 18:04:30 -0700 (PDT)
From: [unknown]
To: Mailing List - Dinosaur <dinosaur@usc.edu>, Mailing List - PhyloCode <phylocode@ouvaxa.cats.ohiou.edu>
Subject: Re: Monotypic genera and the PhyloCode [was: Re: Lumping Spi=
--- Michael de Sosa <stygimoloch81@hotmail.com> wrote: > >You can't objectively say that a genus is monotypic, so this canno= t be a > >straightforward method for conversion. >=20 > No, we may not know if *Tyrannosaurus* is monotypic, but we DO know= =20 > *Tyrannosaurus rex* is monotypic and we DO know *Tarbosaurus bataar= * is=20 > monotypic. Those are species -- they can't be monotypic. =20 > By implementing PhyloCode and only recognizing monophyletic taxa The first version will only cover monophyletic taxa; future editions = may cover species and other types of taxa as well. > we are=20 > trying to make things more precise, right? But if you name a specie= s *rex*=20 > you will constantly have to clarify WHICH *rex* you are talking abo= ut=20 > (Tyrannosaurus? Othnielia? Melanocharacidium? Rhododendrum???). There are proposals for dealing with this, such as requiring a clade = address, or a citation. > So just call=20 > it *Tyrannosaurus* and everyone will immediately know exactly what = species=20 > you are referring to. No, because many include _T. bataar_ under _Tyrannosaurus_. Furthermore, this ignores the majority of species, which are not part= of monotypic genera. I would have to agree with HP Wagner on this one. =3D=3D=3D=3D=3D =3D=3D=3D=3D=3D> T. Michael Keesey <http://dino.lm.com/contact> =3D=3D=3D=3D=3D> The Dinosauricon <http://dinosauricon.com> =3D=3D=3D=3D=3D> Instant Messenger <Ric Blayze> =3D=3D=3D=3D=3D =09=09 __________________________________ Do you Yahoo!? Yahoo! Mail - 50x more storage than other providers! http://promotions.yahoo.com/new_mail