Mammalia - Xenarthra - Megalonychidae
Full reference: W. D. Matthew. 1931. Genera and new species of ground sloths from the Pleistocene of Cuba. American Museum Novitates 511:1-5
Parent taxon: Megalonychidae according to W. D. Matthew 1931
Sister taxa: Acratocnus, Ahytherium, Amphihapalops, Amphiocnus, Australonyx, Choloepus, Diabolotherium, Diheterocnus, Eugeronops, Hyperleptus, Mecorhinus, Megalocninae, Megalocnus, Megalonychinae, Megalonychops, Megalonychotherium, Megalonyx, Meizonyx, Mesocnus, Metopotherini, Miocnus, Nothropus, Ocnopodinae, Ortotheriinae, Ortotherium, Paranabradys, Pliometanastes, Pliomorphus, Proplatyarthrus, Protomegalonyx, Torcellia, Bradypodina
Subtaxa: Microcnus gliriformis
Type: Microcnus gliriformis
Ecology: ground dwelling herbivore