Mesonychidae Cope, 1880

Ankalagon van Valen, 1980

Dissacus Cope, 1881

Dissacusium Zhou Zhang, Wang & Ding, 1977

Dromocyon Marsh, 1876

Guilestes Zheng & Chi, 1978

Harpagolestes Wortman, 1901

Hessolestes Peterson, 1931

Hukoutherium Chow, Chang, Wang & Ting, 1973

Jiangxia

Lestes Yan & Tang, 1976

Lohoodon Chow, Li & Chang, 1973

Lophogododon Ameghino, 1904

Lophogonodon Ameghino, 1904

Mesonychilestes Lakshminarayana, 1991

Mesonyx Cope, 1872

Metahapalodectes Dashzeveg, 1976

Microclaenodon Scott, 1892

Mongolestes Szalay & Gould, 1966

Mongolonyx Szalay & Gould, 1966

Olsenia Matthew & Granger, 1925

Pachyaena Cope, 1874

Plagiocristodon Chow & Qi, 1978

Sinonyx Zhou, Zhai, Gingerich & Chen, 1995

Synoplotherium Cope, 1872