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Re: ICZN on families based on nomina dubia

The ICZN does not officially mark taxa as nomina dubia (it's a
subjective desgination, up to the author[s] -- right?), so how could
it possibly be a rule?

On Sun, 02 Jan 2005 23:06:54 -0800, Mickey Mortimer
<Mickey_Mortimer111@msn.com> wrote:
> Okay, so we've all heard how the ICZN states families (and other
> family-level taxa) can't be based on nomina dubia.  This is supposedly why
> Wilson and Upchurch (2003) had to drop Titanosauridae and Titanosauroidea,
> and has been mentioned in relation to Ceratops, Deinodon, Hadrosaurus and
> others on the DML.  But where is this rule?  The ICZN's online now at
> http://www.iczn.org/iczn/index.jsp , and I can't find such a rule anywhere.
> Mickey Mortimer
> Undergraduate, Earth and Space Sciences
> University of Washington
> The Theropod Database - http://students.washington.edu/eoraptor/Home.html