Megalonychidae

Family within Pilosa

Ahytherium

Australonyx

Deseadognathus

Diodomus

Eucholoeops

Hapaloides

Hyperleptus

Megalonychops

Megalonychotherium

Megalonyx

Megistonyx

Meizonyx

Mesopotamocnus

Nohochichak

Ortotherium

Paranabradys

Paulocnus

Pliometanastes

Pliomorphus

Proplatyarthrus

Proschismotherium

Protomegalonyx

Pseudortotherium

Sinclairia

Torcellia

Urumacocnus

Xibalbaonyx

Zacatzontli