†family Megalonychidae Gervais 1855 (edentate)

Mammalia - Xenarthra - Megalonychidae

Synonyms: Bradypidae Gray 1825, Bradypodidae Gray 1825, Choloepidae Gray 1871, Choloepina Gray 1871

Parent taxon: Pilosa according to H. G. McDonald and O. Carranza-CastaƱeda 2017

See also Adam 1999, Ameghino 1891, Ameghino 1894, Ameghino 1897, Bonaparte 1850, Carroll 1988, Cope 1889, Cope 1889, Flower 1883, Flower and Lydekker 1891, Gaudin 1995, Gray 1821, Gray 1825, Kurten and Anderson 1980, McDonald and Muizon 2002, McDonald and Naples 2007, McDonald et al. 2013, Muizon and McDonald 1995, Nowak 1991 and Thurmond and Jones 1981

Sister taxa: Folivora, Megatherioidea, Tardigrada, Vermilingua

Subtaxa: Acratocnus Ahytherium Amphihapalops Amphiocnus Analcimorphus Australonyx Bradypodina Choloepus Deseadognathus Diabolotherium Diheterocnus Eugeronops Geronops Hyperleptus Mecorhinus Megalocninae Megalocnus Megalonychinae Megalonychops Megalonychotherium Megalonyx Megistonyx Meizonyx Mesocnus Metopotherinae Metopotherini Microcnus Miocnus Nothropus Ocnopodinae Ortotheriinae Ortotherium Paranabradys Paraplanops Pliometanastes Pliomorphus Protomegalonyx Pseudhapalops Torcellia Trematherium Zacatzontli

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Ecology: ground dwelling herbivore

Distribution:

• Quaternary of Bolivia (2 collections), Brazil (8), Canada (4: Alberta, Northwest Territories, Saskatchewan, Yukon), Cuba (5), the Dominican Republic (5), Ecuador (1), El Salvador (2), Guatemala (1), Honduras (1), Nicaragua (1), Panama (1), Peru (3), Puerto Rico (1), United States (77: Alabama, Arizona, California, Florida, Georgia, Idaho, Illinois, Iowa, Kansas, Maryland, Mississippi, Missouri, Montana, Nebraska, New Jersey, North Dakota, Ohio, Oklahoma, Pennsylvania, South Carolina, South Dakota, Texas, Utah, Virginia, West Virginia), Venezuela (1)

• Blancan of Mexico (2), United States (42: Arizona, California, Florida, Idaho, Kansas, Nebraska, Nevada, New Mexico, South Dakota, Texas, Washington)

• Pliocene to Pleistocene of Colombia (1), the Netherlands Antilles (1)

• Pliocene of Brazil (1), Colombia (1), Mexico (2), United States (2: California, Texas)

• Hemphillian of Costa Rica (1), Mexico (4), United States (33: California, Florida, Kansas, Nebraska, New Mexico, Oklahoma, Oregon, Texas)

• Miocene of Argentina (9), Brazil (1), Colombia (19), Cuba (1), Peru (1), United States (3: California, Nebraska), Uruguay (1)

• Deseadan of Argentina (1), Bolivia (2)

• Eocene of Antarctica (1)

Total: 242 collections including 273 occurrences

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