Acamana Simpson, Minoprio & Patterson, 1962 † (verified source for family)
Acheronictis Hayes, 2000 † (current name source)
Acoessus Cope, 1881 † (verified source for family)
Actiocyon Stock, 1947 † (verified source for family)
Adelotherium Ameghino, 1887 † (verified source for family)
Aeolopithecus Simons, 1965 † accepted as Propliopithecus Schlosser, 1910 † (source of synonymy)
Afromastodon Pickford, 2003 † (verified source for family)
Afromastodon Pickford, 2003 † (current name source)
Afropithecus Leakey & Leakey, 1986 † (verified source for family)
Aksyiria Gabunia, 1973 † (verified source for family)
Alamitherium Bonaparte, 2002 † (verified source for family)
Alamitherium Bonaparte, 2002 † (current name source)
Allacerops Wood, 1932 † (current name source)
Allacerops Wood, 1932 † (verified source for family)
Allocyon Merriam, 1930 † (verified source for family)
Allodesmus Kellogg, 1922 † (verified source for family)
Allophaiomys Kormos, 1933 † (current name source)
Allops Marsh, 1887 † accepted as Megacerops Leidy, 1870 † (source of synonymy)
Allorattus Qiu & Storch, 2000 † (current name source)
Alopecocyon Camp & Vanderhoof, 1940 † (verified source for family)
Alphagaulus Korth, 2000 † (current name source)
Alticonus Eberle & Lillegraven, 1998 † (current name source)
Alveugena Eberle, 1999 † (current name source)
Ambondro Flynn, Parrish, Rakotosamimanana, Simpson & Wyss, 1999 † (current name source)
Ampelomeryx Duranthon, Moya Sola, Astibia & Kohler, 1995 † (current name source)
Amphibradys Scillato-Yané & Carlini, 1998 † (verified source for family)
Amphibradys Scillato-Yané & Carlini, 1998 † (current name source)
Amphicynodon Filhol, 1882 † (verified source for family)
Amphilemuridae Hill, 1953 † (current name source)
Amphipithecus Colbert, 1937 † accepted as Pondaungia Pilgrim, 1927 † (verified source for family)
Ampholophus Wang & Tong, 1996 † (verified source for family)
Ampholophus Wang & Tong, 1996 † (current name source)
Anadianomys Tong, 1997 † (verified source for family)
Anadianomys Tong, 1997 † (current name source)
Ancalecetus Gingerich & Uhen, 1996 † (current name source)
Anchilophidae McKenna & Bell, 1997 † accepted as Palaeotheriidae Bonaparte, 1850 † (source of synonymy)
Anchilophus Gervais, 1848-52 † (verified source for family)
Andarakodon Averianov & Potapova, 1996 † (verified source for family)
Andarakodon Averianov & Potapova, 1996 † (current name source)
Andersomys Dawson, Huang, Li & Wang, 2003 † (verified source for family)
Andersomys Dawson, Huang, Li & Wang, 2003 † (current name source)
Anisacodon Marsh, 1875 † accepted as Megacerops Leidy, 1870 † (source of synonymy)
Annalagus Shevyreva, 1996 † (current name source)
Annalagus Shevyreva, 1996 † (verified source for family)
Anonymus Storer, 1988 † accepted as Churcheria Storer, 2002 † (source of synonymy)
Antecalomys Korth, 1998 † (current name source)
Antilohyrax Rasmussen & Simons, 2000 † (current name source)
Apocricetus Freudenthal, Mein & Martin Suarez, 1998 † (current name source)
Araeodelphis Kellog, 1957 † (verified source for family)
Aragoral Alcala & Morales, 1997 † (current name source)
Aralosorex Lopatin, 2004 † (current name source)
Aralosorex Lopatin, 2004 † (verified source for family)
Archaeocyon Wang, Tedford & Taylor, 1999 † (current name source)
Archaeodelphis Allen, 1921 † (verified source for family)
Archaeomangus Lopatin, 1997 † (current name source)
Archaeotragulus Metais, Chaimanee, Jaeger & Ducrocq, 2001 † (current name source)
Archerium Wroe & Mackness, 2000 † (verified source for family)
Archerium Wroe & Mackness, 2000 † (current name source)
Archerops Hand & Kirsch, 2003 † (current name source)
Arctisorex Hutchinson & Harington, 2002 † (current name source)
Arikarictis Hayes, 2000 † (current name source)
Artimonius Muldoon & Gunnell, 2002 † (current name source)
Arundelconodon Cifelli, Lipka, Schaff & Rowe, 1999 † (current name source)
Asfaltomylos Rauhut, Martin, Ortiz-Jaureguizar & Puerta, 2002 † (verified source for family)
Asfaltomylos Rauhut, Martin, Ortiz-Jaureguizar & Puerta, 2002 † (current name source)
Ashorocetus Barnes & Kimura in Barnes, Kimura, Furusawa & Sawamura, 1994 † (current name source)
Asiapternodus Lopatin, 2003 † (current name source)
Asiohomacodon Tsubamoto, Tun, Egi, Takai, Shigehara, Soe, Aung & Thein, 2003 † (verified source for family)
Asiohomacodon Tsubamoto, Tun, Egi, Takai, Shigehara, Soe, Aung & Thein, 2003 † (current name source)
Astadelphis Bianucci, 1996 † (current name source)
Ateleodon Schlaikjer, 1935 † accepted as Megacerops Leidy, 1870 † (source of synonymy)
Atokatheridium Kielan-Jaworowska & Cifelli, 2001 † (current name source)
Atokatheridium Kielan-Jaworowska & Cifelli, 2001 † (verified source for family)
Atopotarus Downs, 1956 † (verified source for family)
Atopotherium Ducrocq, Chaimanee, Suteethorn & Jaeger, 1996 † (current name source)
Attockicetus Thewissen & Hussain, 2000 † (current name source)
Auraria Middleton & Dewar, 2004 † (current name source)
Auroralestes Holroyd, Bown & Schankler, 2004 † (verified source for family)
Auroratherium Tong & Wang, 1997 † (current name source)
Ausktribosphenos Rich, Vickers-Rich, Constantine, Flannery, Kool & van Klaveren, 1997 † (current name source)
Australodelphis Fordyce, Quilty & Daniels, 2002 † (current name source)
Australoprocta Kramarz, 1998 † (current name source)
Australoprocta Kramarz, 1998 † (verified source for family)
Austrosqualodon Climo & Baker, 1971 † (verified source for family)
Awashia Vrba, 1997 † (verified source for family)
Awashia Vrba, 1997 † (current name source)
Ayakozomys Tyutkova, 2000 † (verified source for family)
Ayakozomys Tyutkova, 2000 † (current name source)
Badjcinus Muirhead & Wroe, 1998 † (current name source)
Bahinia Jaeger, Thein, Benammi, Chaimanee, Soe, Lwin, Tun, Wai & Ducrocq, 1999 † (verified source for family)
Bahinia Jaeger, Thein, Benammi, Chaimanee, Soe, Lwin, Tun, Wai & Ducrocq, 1999 † (current name source)
Balantiomys Korth, 1997 † (current name source)
Balbaridae Flannery, Archer & Plane, 1983 † (current name source)
Balbaridae Flannery, Archer & Plane, 1983 † (name verified source)
Balbaridae Flannery, Archer & Plane, 1983 † (extant flag source)
Balbaridae Flannery, Archer & Plane, 1983 † (taxonomy source)
Balbaridae Flannery, Archer & Plane, 1983 † (habitat flag source)
Balbaridae Flannery, Archer & Plane, 1983 † (basis of record)
Balbaroo Flannery, Archer & Plane, 1982 † (verified source for family)
Banyuesminthus Tong, 1997 † (verified source for family)

 Taxonomic remark

 for Allacerops Wood, 1932 †

Listed as a syn. of Eggysodon in McKenna & Bell, 1997, but an accepted genus according to The Paleobiology Database ... [details]

 Taxonomic remark

 for Anchilophidae McKenna & Bell, 1997 †

New family in McKenna & Bell, 1997, for Anchilophus, Paranchilophus and Lophiotherium, however Paleobiology DB ... [details]

 Taxonomic remark

 for Anonymus Storer, 1988 †

Junior homonym of Anonymus Lang, 1884 (Platyhelminthes); replacement name is Churcheria Storer, 2002. [details]

 Taxonomic remark

 for Atopotarus Downs, 1956 †

As syn. of Allodesmus in McKenna & Bell, 1997, but an accepted genus in Sepkoski, 2002 and in the Paleobiology ... [details]

 Taxonomic remark

 for Casamiqueliidae Bonaparte, 2002 †

(Mis)spelled Casamiquelidae in Paleobiology DB (2022 version) and some other sources, however Casamiqueliidae is ... [details]

 Taxonomic remark

 for Cuctienophyllum Tong-Dzuy in Thanh Nguyen Due Khoa, Khromykh, Nguyen Huu Hung, Nguyen The Dzan & Ta Hoa Phuong, 1988 †

Orthography of authors not checked, presently given as per Neave. [details]

 Taxonomic remark

 for Dartonius Novacek, Bown & Schankler, 1985 †

Listed in Erinaceidae in Paleobiology DB (2022 version) following Novacek et al., 1985, although McKenna & Bell, ... [details]

 Taxonomic remark

 for Douglassia Emry & Korth, 1996 †

Listed as an accepted genus in McKenna & Bell, 1997, however a junior homonym of Douglassia Bartsch, 1934 ... [details]

 Taxonomic remark

 for Langsonia Schwartz, Long, Cuong, Kha & Tattersall, 1995 †

Formatting of authors "Schwartz, Long, Cuong, Kha & Tattersall", cf. "Schwartz, Vu The Long, Nguyen Lan Cuong, Le ... [details]

 Taxonomic remark

 for Litocherus Gingerich, 1983 †

Listed in own subfamily (Litocherinae), unplaced in Erinaceomorpha, in McKenna & Bell, 1997, howver assigned to ... [details]

 Taxonomic remark

 for Microhyus Teilhard de Chardin, 1929 †

Junior homonym of Microhyus Leconte, 1876 (Insecta). McKenna & Bell, 1997 place Microhyus (as an accepted name) in ... [details]

 Taxonomic remark

 for Neodesmostylus Khomenko, 1928 †

The Paleobiology Database (2022 version) lists this genus in Proboscidea per Domning, 1996, Bibliography and Index ... [details]

 Taxonomic remark

 for Otlestidae Nessov, 1985 †

The Paleobiology Database (2022 version) includes this family, however at the same time treats its type genus ... [details]

 Taxonomic remark

 for Parachoffatia Hahn & Hahn, 1998 †

Non Parachoffatia Mangold, 1971 (fossil Cephalopoda); replacement name is Plesiochoffatia Hahn & Hahn, 1999. [details]

 Taxonomic remark

 for Paranchilophus Casanovas-Cladellas & Santafé-Llopis, 1989 †

Listed in Anchilophidae in McKenna & Bell, 1997, that family largely not recognised by later workers. [details]

 Taxonomic remark

 for Phascolodon Simpson, 1925 †

Junior homonym of Phascolodon Stein, 1859 (Ciliophora): replacement names are Comodon Kretzoi & Kretzoi, 2000 ... [details]

 Taxonomic remark

 for Phococetus Gervais, 1876 †

Listed in subfamily Kekenodontinae (now Kekenodontidae) in McKenna & Bell, 1997, however Paleobiology DB treats as ... [details]

 Taxonomic remark

 for Plioceros Frick, 1937 †

Treated by Kretzoi & Kretzoi, 2000 as a junior homonym of Plioceros Quatrefages, 1866 (Annelida), with the proposed ... [details]

 Taxonomic remark

 for Protalphadon Cifelli, 1990 †

McKenna & Bell, 1997 list this genus as a syn. of Alphodon in fam. Didelphidae, however the Paleobiology DB (2022) ... [details]

 Taxonomic remark

 for Tribodon Ameghino, 1887 †

The Paleobiology Database (2022 version) lists Tribodon as a synonym of Theridomysops Vucetich, 1995, however this ... [details]