†Hapalops Ameghino 1887 (edentate)
Parent taxon: Tardigrada according to T. J. Gaudin 1995
Sister taxa: Bradypus, Eucholoeops, Eutardigrada, Mylodontoidea, Pelecyodon, Pseudoglyptodon, Schismotherium
Subtaxa: Hapalops adteger, Hapalops angustipalatus, Hapalops antistis, Hapalops brachycephalus, Hapalops brevipalatus, Hapalops crassidens, Hapalops depressipalatus, Hapalops diversidens, Hapalops ellipticus, Hapalops elongatus, Hapalops gracilidens, Hapalops indifferens, Hapalops longipalatus, Hapalops macrognathus, Hapalops rectangularis, Hapalops robustus, Hapalops subquadratus, Hapalops testudinatus
Ecology: ground dwelling omnivore