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Re: Triceratops sprawl (long)

From: Dinogeorge@aol.com
 > In a message dated 96-02-06 16:51:16 EST, pharrinj@PLU.edu (Nicholas J.
 > Pharris) writes:
 > >But _Yangchuanosaurus_ is included in the Sinraptoridae, and the name 
 > >_Yangchuanosaurus_ is much older than _Sinraptor_.  Am I missing 
 > >something here?
 > Yes. The name of a family does not necessarily derive from the name of the
 > oldest included genus. It derives from (we would all hope) the best-defined,
 > most diagnostic included genus (ha!)--...

In fact the rule is that family rank taxa follow their own priority
rule, with the oldest family rank taxon based on any included genus
being the correct name.

This is why family taxa are also cited with author and date.

swf@elsegundoca.attgis.com              sarima@netcom.com

The peace of God be with you.