Abderitidae Ameghino, 1889 † (current name source)
Abderitidae Ameghino, 1889 † (extant flag source)
Achlysictis Ameghino, 1891 † accepted as Thylacosmilus Riggs, 1933 † (source of synonymy)
Achlysictis Ameghino, 1891 † accepted as Thylacosmilus Riggs, 1933 † (verified source for family)
Acmeodon Matthew & Granger, 1921 † (verified source for family)
Acrobatidae Aplin, 1987 (current name source)
Acrohyaenodon Ameghino, 1904 † accepted as Thylacosmilus Riggs, 1933 † (source of synonymy)
Acrohyaenodon Ameghino, 1904 † accepted as Thylacosmilus Riggs, 1933 † (verified source for family)
Acrotherium Ameghino, 1887 † accepted as Nesodon Owen, 1847 † (source of synonymy)
Acrotherium Ameghino, 1887 † accepted as Nesodon Owen, 1847 † (verified source for family)
Acrotherium Ameghino, 1887 † accepted as Nesodon Owen, 1847 † (extant flag source)
Aculeata Geoffroy, 1795 accepted as Tachyglossus Illiger, 1811 (extant flag source)
Aculeata Geoffroy, 1795 accepted as Tachyglossus Illiger, 1811 (verified source for family)
Acyon Ameghino, 1887 † accepted as Cladosictis Ameghino, 1887 † (extant flag source)
Acyon Ameghino, 1887 † accepted as Cladosictis Ameghino, 1887 † (source of synonymy)
Acyon Ameghino, 1887 † accepted as Cladosictis Ameghino, 1887 † (verified source for family)
Adiastemus Ameghino, 1893 † accepted as Pelecyodon Ameghino, 1891 † (extant flag source)
Adiastemus Ameghino, 1893 † accepted as Pelecyodon Ameghino, 1891 † (verified source for family)
Adiastemus Ameghino, 1893 † accepted as Pelecyodon Ameghino, 1891 † (source of synonymy)
Adpithecus Ameghino, 1901 † accepted as Notopithecus Ameghino, 1897 † (verified source for family)
Adpithecus Ameghino, 1901 † accepted as Notopithecus Ameghino, 1897 † (source of synonymy)
Adpithecus Ameghino, 1901 † accepted as Notopithecus Ameghino, 1897 † (extant flag source)
Adunator Russell, 1964 † (verified source for family)
Africanthropus Dreyer, 1935 † accepted as Homo Linnaeus, 1758 (extant flag source)
Africanthropus Dreyer, 1935 † accepted as Homo Linnaeus, 1758 (basis of record)
Africanthropus Dreyer, 1935 † accepted as Homo Linnaeus, 1758 (source of synonymy)
Afrikanthropus Weinert, 1938 † accepted as Homo Linnaeus, 1758 (source of synonymy)
Agustylus Ameghino, 1887 † (verified source for family)
Allodontidae Marsh, 1889 † (current name source)
Allqokirus Marshall & de Muizon, 1988 † (verified source for family)
Ameridelphia incertae sedis † (extant flag source)
Ameridelphia incertae sedis † (habitat flag source)
Ammotherium Ameghino, 1891 † accepted as Nematherium Ameghino, 1887 † (extant flag source)
Ammotherium Ameghino, 1891 † accepted as Nematherium Ameghino, 1887 † (verified source for family)
Ammotherium Ameghino, 1891 † accepted as Nematherium Ameghino, 1887 † (source of synonymy)
Amnotherium Ameghino, 1891 † accepted as Nematherium Ameghino, 1887 † (extant flag source)
Amphiproviverra Ameghino, 1891 † accepted as Thylacodictis Mercerat, 1891 † (extant flag source)
Amphiproviverra Ameghino, 1891 † accepted as Thylacodictis Mercerat, 1891 † (verified source for family)
Amphiproviverra Ameghino, 1891 † accepted as Thylacodictis Mercerat, 1891 † (source of synonymy)
Amphitemnus Ameghino, 1904 † accepted as Isotemnus Ameghino, 1897 † (source of synonymy)
Amphitemnus Ameghino, 1904 † accepted as Isotemnus Ameghino, 1897 † (verified source for family)
Amphitemnus Ameghino, 1904 † accepted as Isotemnus Ameghino, 1897 † (extant flag source)
Amphithereutes Ameghino, 1935 † (verified source for family)
Anastylops Ameghino, 1897, nom. nud. † accepted as Notostylops Ameghino, 1897 † (source of synonymy)
Anastylops Ameghino, 1897, nom. nud. † accepted as Notostylops Ameghino, 1897 † (verified source for family)
Anastylops Ameghino, 1897 † accepted as Notostylops Ameghino, 1897 † (verified source for family)
Anastylops Ameghino, 1897 † accepted as Notostylops Ameghino, 1897 † (source of synonymy)
Anatherium Ameghino, 1887 † accepted as Cladosictis Ameghino, 1887 † (source of synonymy)
Anatherium Ameghino, 1887 † accepted as Cladosictis Ameghino, 1887 † (verified source for family)
Andinogale Hoffstetter & Petter, 1983 † accepted as Sallacyon Villarroel & Marshall, 1982 † (verified source for family)
Andinogale Hoffstetter & Petter, 1983 † accepted as Sallacyon Villarroel & Marshall, 1982 † (source of synonymy)
Anthropodus Schlosser, 1901 † accepted as Dryopithecus Lartet, 1857 † (source of synonymy)
Apheliscidae Matthew, 1918  † (current name source)
Archaeolophus Ameghino, 1897 † accepted as Carolozittelia Ameghino, 1901 † (status source)
Archaeolophus Ameghino, 1897, nom. nud. † accepted as Carolozittelia Ameghino, 1901 † (source of synonymy)
Archaeolophus Ameghino, 1897, nom. nud. † accepted as Carolozittelia Ameghino, 1901 † (verified source for family)
Archaeolophus Ameghino, 1897 † accepted as Carolozittelia Ameghino, 1901 † (verified source for family)
Archaeolophus Ameghino, 1897 † accepted as Carolozittelia Ameghino, 1901 † (source of synonymy)
Archaeopithecus Ameghino, 1897 † (current name source)
Arctodictis Mercerat, 1891 † (extant flag source)
Arctodictis Mercerat, 1891 † (additional source)
Arctodictis Mercerat, 1891 † (habitat flag source)
Arctodictis Mercerat, 1891 † (verified source for family)
Argyrohyrax Ameghino, 1897 † accepted as Plagiarthrus Ameghino, 1896 † (verified source for family)
Argyrohyrax Ameghino, 1897, nom. nud. † accepted as Plagiarthrus Ameghino, 1896 † (verified source for family)
Argyrohyrax Ameghino, 1897, nom. nud. † accepted as Plagiarthrus Ameghino, 1896 † (source of synonymy)
Argyrohyrax Ameghino, 1897 † accepted as Plagiarthrus Ameghino, 1896 † (source of synonymy)
Argyrolagidae Amenghino, 1904 † (current name source)
Argyrolagoidea incertae sedis † (extant flag source)
Arminiheringia Ameghino, 1902 † (verified source for family)
Artodictis Mercerat, 1891 † accepted as Arctodictis Mercerat, 1891 † (additional source)
Bonapartheriidae Pascual, 1980 † (current name source)
Borhyaenidae Ameghino, 1894 † (current name source)
Borhyaenidium Pascual & Bocchino, 1963 † (verified source for family)
Branssatoglis Hugueney, 1967 † accepted as Bransatoglis Hugueney, 1967 † (source of synonymy)
Burramyidae Broom, 1898 (current name source)
Caenolestidae Trouessart, 1898 (current name source)
Caroloameghiniidae Ameghino, 1901 † (current name source)
Cephalomyidae Ameghino, 1897 † (extant flag source)
Cetotheriopsis Brandt, 1871 † (verified source for family)
Chasicostylus Reig, 1957 † (verified source for family)
Cladosictis Ameghino, 1887 † (verified source for family)
Clasodictis Roger, 1894 † accepted as Cladosictis Ameghino, 1887 † (verified source for family)
Clasodictis Roger, 1894 † accepted as Cladosictis Ameghino, 1887 † (source of synonymy)
Dasyuridae Goldfuss, 1820 (current name source)
Dasyuromorphia (extant flag source)
Decticus Aymard in Pictet, 1853 † accepted as Eomys Schlosser, 1884 † (extant flag source)
Decticus Aymard in Pictet, 1853 † accepted as Eomys Schlosser, 1884 † (source of synonymy)
Decticus Aymard in Pictet, 1853 † accepted as Eomys Schlosser, 1884 † (verified source for family)
Delotherium Ameghino, 1889 † (verified source for family)
Diacocherus Gingerich, 1983 † accepted as Adunator Russell, 1964 † (source of synonymy)
Diacocherus Gingerich, 1983 † accepted as Adunator Russell, 1964 † (verified source for family)
Dideilotherium Ameghino, 1889 † accepted as Delotherium Ameghino, 1889 † (source of synonymy)
Dideilotherium Ameghino, 1889 † accepted as Delotherium Ameghino, 1889 † (verified source for family)
Dideilotherium Ameghino, 1889 † accepted as Delotherium Ameghino, 1889 † (extant flag source)
Didelphidae Gray, 1821 (current name source)
Didelphimorphia (extant flag source)
Didelphimorphia (habitat flag source)
Dimerostephanos Ameghino, 1902 † accepted as Isotemnus Ameghino, 1897 † (source of synonymy)
Dimerostephanos Ameghino, 1902 † accepted as Isotemnus Ameghino, 1897 † (extant flag source)

 Nomenclatural status

 for Hemianthropus von Königswald, 1957 †

Nom. preocc., replaced by Hemanthropus von Königswald, 1957; both are syns. of Homo according to McKenna & Bell [details]

 Nomenclature

 for Africanthropus Dreyer, 1935 †

As Homo (Africanthropus) [details]

 Nomenclature

 for Hemanthropus von Königswald, 1957 †

Nomen novum for Hemianthropus von Königswald, 1957 [details]

 Nomenclature

 for Pseudhomo Ameghino, 1909 †

Misspelled Pseudohomo in McKenna & Bell, 1997 [details]

 Taxonomic remark

 for Adunator Russell, 1964 †

Listen in Erinaceomorpha, as per McKenna & Bell, 1997, although as Macroscelidea in The PaleoBiology Database (2019 ... [details]

 Taxonomic remark

 for Archaeolophus Ameghino, 1897 †

From McKenna & Bell, 1997: Synonymy [i.e., with Carolozittelia] questionable. This name appears to be a nomen ... [details]

 Taxonomic remark

 for Borhyaenidae Ameghino, 1894 †

Excludes subfamily Hathliacyninae of McKenna & Bell, treated as family Hathliacynidae by more recent workers e.g. ... [details]

 Taxonomic remark

 for Bransatoglis Hugueney, 1967 †

Corrected from original incorrrect spelling Branssatoglis by Hugueney, 1969. [details]

 Taxonomic remark

 for Branssatoglis Hugueney, 1967 †

Original incorrrect spelling; the corrected original spelling Bransatoglis was introduced by Hugueney, 1969. [details]

 Taxonomic remark

 for Decticus Aymard in Pictet, 1853 †

McKenna & Bell treat as a nomen oblitum, however this name is invalid, being a junior homonym of Decticus ... [details]

 Taxonomic remark

 for Elaphuroides Otsuka, 1972 †

Proposed as subgenus of Elaphurus. [details]

 Taxonomic remark

 for Hathliacynidae Ameghino, 1894 †

Treated as a subfamily of Borhyaenidae in McKenna & Bell, 1997, but as a separate family by recent authors, e.g. ... [details]

 Taxonomic remark

 for Hathlyacynidae †

Spelling based on genus name Hathlyacynus Ameghino, 1894, an unaccepted variant spelling and objective synonym of ... [details]

 Taxonomic remark

 for Hathlyacynus Ameghino, 1893 †

pro -liacynus Ameghino 1887 (Nomen. Zool.). Year given as 1894 in McKenna & Bell. [details]

 Taxonomic remark

 for Helacyton Van Valen & Maiorana, 1991

New genus, species (Helacyton gartleri) and family (Helacytidae) erected for a human cell line grown in the ... [details]

 Taxonomic remark

 for Hoplictis Ginsburg, 1961 †

Originally as subgenus of Ischyrictis Helbing, 1930. [details]

 Taxonomic remark

 for Kuehneon Kretzoi, 1960 †

Original (incorrect) spelling: Kühneon. [details]

 Taxonomic remark

 for Kühneon Kretzoi, 1960 †

Original incorrect spelling, see Kuehneon. [details]

 Taxonomic remark

 for Mackennatherium Van Valen, 1965 †

Corrected original spelling (original spelling McKennatherium) by McKenna & Bell, 1997. [details]

 Taxonomic remark

 for Proborhyaenidae Ameghino, 1897 †

As subfamily (Proborhyaeninae) of Borhyaenidae in McKenna & Bell, 1997. [details]

 Taxonomic remark

 for Prothoatherium Ameghino, 1901 †

Publication year given in McKenna & Bell, 1997 as 1902. [details]

 Taxonomic remark

 for Schizotheriodes Hough, 1955 †

Original incorrect spelling (lapsus); McKenna & Bell, 1997 correct to Schizotheroides. [details]

 Taxonomic remark

 for Thylacosmilidae Riggs, 1933 †

As subfamily (Thylacosmilinae) of Borhyaenidae in McKenna & Bell, 1997 [details]