Mammalia - Notoungulata - Haplodontheriidae
Alternative spelling: Haplodontheriinae
Full reference: F. Ameghino. 1907. Les toxodontes ¡a cornes [The horned toxodonts]. Anales del Museo Nacional de Buenos Aires 16:49-91
Parent taxon: Toxodontia according to F. Ameghino 1907
See also Dantas and Tasso 2007 and Paula Couto 1956
Sister taxa: Atryptheridae, Eutoxodontia, Homalodotheriidae, Isotemnidae, Lithops praevius, Nesotherium, Noaditherium, Notohippidae, Pachyrucidae, Periphragnis, Protoxodontidae, Rhadinotherium limitatum, Tembotheridae, Xotodontidae
Subtaxa: Abothrodon Ceratoxodon Haplodontherium Mesotoxodon Neotrigodon Plesioxotodon Stereotoxodon Toxodontherium Trigodon Trigodonops
Type: Haplodontherium
Ecology: scansorial herbivore
Distribution: