Opinions from A. Berta and H. Galiano 1983
- 'Adelphailurus belongs to Metailurini'
- 'Dinobastis belongs to Machairodontini'
- 'Dinofelis belongs to Metailurini'
- 'Homotherium belongs to Machairodontini'
- 'Ischyrosmilus is a subjective synonym of Dinobastis'
- 'Ischyrosmilus crusafonti is recombined as Homotherium crusafonti'
- 'Ischyrosmilus crusafonti is a subjective synonym of Ischyrosmilus gracilis' according to Churcher 1984
- 'Ischyrosmilus idahoensis is recombined as Homotherium idahoensis'
- 'Ischyrosmilus idahoensis is a subjective synonym of Ischyrosmilus gracilis' according to Churcher 1984
- 'Ischyrosmilus johnstoni is recombined as Homotherium johnstoni'
- 'Ischyrosmilus johnstoni is a subjective synonym of Ischyrosmilus gracilis' according to Churcher 1984
- 'Machaerodus ischyrus is recombined as Dinobastis ischyrus'
- 'Machairodontinae belongs to Felidae'
- 'Machairodontini belongs to Machairodontinae'
- 'Machairodus belongs to Machairodontini'
- 'Machairodus hesperus is recombined as Megantereon hesperus'
- 'Machairodus orientalis belongs to Machairodus' according to Kittl 1887
- 'Machairodus orientalis is recombined as Pontosmilus orientalis' according to Kretzoi 1929
- 'Machairodus orientalis is recombined as Pontosmilus orientalis'
- 'Megantereon belongs to Smilodontini'
- 'Megantereon eurynodon belongs to Megantereon' according to Ewer 1955
- 'Megantereon eurynodon belongs to Megantereon'
- 'Megantereon falconeri belongs to Megantereon' according to Pomel 1853
- 'Megantereon falconeri belongs to Megantereon'
- 'Megantereon gracilis belongs to Megantereon' according to Broom and Schepers 1946
- 'Megantereon gracilis belongs to Megantereon'
- 'Megantereon inexpectatus belongs to Megantereon' according to Teilhard de Chardin 1939
- 'Megantereon inexpectatus belongs to Megantereon'
- 'Megantereon megantereon is a subjective synonym of Megantereon cultridens'
- 'Megantereon nihowanensis belongs to Megantereon' according to Teilhard de Chardin and Piveteau 1930
- 'Megantereon nihowanensis belongs to Megantereon'
- 'Megantereon sivalensis belongs to Megantereon' according to Falconer and Cautley 1868
- 'Megantereon sivalensis is a subjective synonym of Megantereon falconeri'
- 'Megantereon whitei belongs to Megantereon'
- 'Metailurini belongs to Machairodontinae'
- 'Metailurus belongs to Metailurini'
- 'Miomachairodus belongs to Machairodontini'
- 'Nimravides belongs to Machairodontini'
- 'Pontosmilus belongs to Metailurini'
- 'Smilodon belongs to Smilodontini'
- 'Smilodon gracilis belongs to Smilodon'
- 'Smilodon populator belongs to Smilodon'
- 'Smilodontini belongs to Machairodontinae'
- 'Stenailurus belongs to Metailurini'
- 'Therailurus belongs to Metailurini'
- 'Ursus cultridens belongs to Ursus' according to G. Cuvier 1824
- 'Ursus cultridens is recombined as Megantereon cultridens'