Mammalia - Xenarthra - Megalonychidae
Parent taxon: Megalonychidae according to G. J. Scillato-Yané 1980
Sister taxa: Amphihapalops, Amphiocnus, Analcimorphus, Choloepodinae, Deseadognathus, Diheterocnus, Eleutherodon, Eucholoeops, Eugeronops, Geronops, Hapalops, Holomegalonyx, Hyperleptus, Mecorhinus, Megalocninae, Megalonychinae, Megalonychops, Megalonychotherium, Meizonyx, Mesocnus, Mesopotamocnus, Metopotherinae, Metopotherini, Miocnus, Nohochichak, Nothropus, Ocnopodinae, Ortotherium, Paranabradys, Paraplanops, Pattersonocnus, Pliomorphus, Protomegalonyx, Pseudhapalops, Pseudortotherium, Torcellia, Trematherium, Urumacocnus, Xibalbaonyx, Zacatzontli
Subtaxa: Menilaus
Ecology: ground dwelling herbivore
Distribution: there are no occurrences of Ortotheriinae in the database