Re: Sereno's (2005) new definitions

[Jay <sappororaptor@yahoo.com>]

--- Phil Bigelow <bigelowp@juno.com> wrote:

> 
> 
> On Fri, 23 Dec 2005 14:24:12 -0600 Tim Williams
> <twilliams_alpha@hotmail.com> writes:
> > Phil Bigelow wrote:
> > 
> > >Could someone give an example of a metataxon?
> > 
> > _Lagosuchus talampayensis_ (type species for _Lagosuchus_) is a 
> > metataxon.  
> > Sereno and Arcucci (1994; JVP 14: 53-73) declared _L. talampayensis_ 
> > to be a 
> > nomen dubium.
> > 
> > The fact that the _L. talampayensis_ material lacks autapomorphies 
> > is alone 
> > insufficient justification to declare the species a nomen dubium, 
> > IMHO.  The 
> > situation is complicated by the suggestion that the holotype for _L. 
> > 
> > talampayensis_ may be a composite of more than one species,
> 

Stormbergia is another metataxon, right guys?
But definitly not a nomen dubium, because it can be defined by unique 
combination of characters
relative to other taxa.
Or am i confusing Stormbergia with Lesothosaurus? (checking Butler ref now....)



                
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