Mammalia - Xenarthra - Megalonychidae
Parent taxon: Megalonychidae according to G. J. Scillato-Yané 1980
Sister taxa: Acratocnus, Ahytherium, Amphihapalops, Amphiocnus, Analcimorphus, Australonyx, Choloepus, Deseadognathus, Diabolotherium, Diheterocnus, Eugeronops, Geronops, Hyperleptus, Mecorhinus, Megalocninae, Megalocnus, Megalonychinae, Megalonychops, Megalonychotherium, Megalonyx, Megistonyx, Meizonyx, Mesocnus, Metopotherinae, Metopotherini, Microcnus, Miocnus, Nothropus, Ocnopodinae, Ortotherium, Paranabradys, Paraplanops, Pattersonocnus, Pliometanastes, Pliomorphus, Protomegalonyx, Pseudhapalops, Torcellia, Trematherium, Urumacocnus, Zacatzontli, Bradypodina
Subtaxa: Paulocnus
Ecology: ground dwelling herbivore
Distribution: found only at Paulocnus locality (Pliocene of Netherlands Antilles)