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Coelophysis 18, Rioarribasaurus 8



The rejection of _Rioarribasaurus colberti_ will appear (or has already
appeared) in the June 1996 _Bulletin of Zoological Nomenclature_ as Opinion
#1842. The vote was 18-8, not 18-5 as I earlier reported.

The names _Coelophysis_ and _Coelurus bauri_ (the original name of the type
species of the genus _Coelophysis_) are placed on the Official List of
Generic [Specific] Names in Zoology. (There are two lists with similar
titles, one for generic names, one for specific names; the bracket shows the
title word that's different.)

_Rioarribasaurus colberti_, generic name and species epithet, are placed on
the Official Index of Rejected and Invalid Generic [Specific] Names in
Zoology, as junior objective synonyms of _Coelophysis bauri_. The new type
specimen (neotype) of _Coelophysis bauri_ is the Ghost Ranch skeleton AMNH
7224, the specimen chosen by Hunt & Lucas, 1991 to be the type specimen of
_Rioarribasaurus colberti_.

The stated reason for doing this is strictly to conserve the well-known name
_Coelophysis bauri_ in its most frequent application, as designator of the
Ghost Ranch theropod.