Pilosa Flower, 1883
Achaeus Erman, 1835
Achoeus Guérin-Ménéville, 1844
Arctopithecus Gray, 1843
Asioryctes Kielan-Jaworowska, 1975
Bradypus Linnaeus, 1758
Deccanolestes Prasad & Sahni, 1988
Hyotheridium Gregory & Simpson, 1926
Tardigradus Brisson, 1762
