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Re: USNM 4734 Allosaurus fragilis topotype



In a message dated 11/17/02 10:13:27 PM EST, qilongia@yahoo.com writes:

<< A paratype must be
 designated at the time a holotype is designated and must be shown to be of
 the same species as the holotype. >>

Paratypes are no longer considered more significant than any other referred 
material. For dinosaurs there are essentially only holotypes, lectotypes, and 
syntype series as nomenclaturally significant specimens.