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Under construction
Taxon: Infraclass †Alvarezsauria Bonaparte, 1991 (bird)
Classification by:

Subclass Avialae Gauthier, 1986 see Clade Avialae Gauthier 1986
   Infraclass †Alvarezsauria Bonaparte, 1991 see Clade Maniraptora Gauthier 1986

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Last updated: 1 Feb 2024