Tayassuidae Palmer 1897
Tayassuidae Palmer 1897, Proc. Biol. Soc. Wash., 11: 174.
Synonyms: Dicotylidae Turner 1849 .
Genera: 3 genera with 3 species:
Genus Catagonus Ameghino 1904 (1 species)
Genus Pecari Reichenbach 1835 (1 species with 14 subspecies)
Genus Tayassu G. Fischer 1814 (1 species with 5 subspecies)
Discussion: Dicotylidae does not have priority over Tayassuidae (Article 40.2, International Code of Zoological Nomenclature; International Commission on Zoological Nomenclature, 1999). G. M. Roosmalen (in litt.) is preparing to name a fourth species of peccary from the Amazon basin.