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Re: Therizinosauroid apomorphies



In a message dated 4/4/00 5:24:01 PM EST, twilliams_alpha@hotmail.com writes:

<< I think we should reserve the taxon "Therizinosauroidea" for a more 
 exclusive clade WITHIN the Segnosauria, e.g. >>

Therizinosauroidea is a superfamily and thus takes its name from the moment 
Therizinosauridae Maleev, 1954 was published, and it has priority over 
Segnosauridae Perle, 1979 and any other family-level taxa with Segnosaurus as 
type genus.