Megalonyx Harlan 1825 (edentate)

Mammalia - Xenarthra - Megalonychidae

Synonym: Morotherium Marsh 1874

Parent taxon: Megalonychidae according to T. J. Gaudin 1995

See also Albright et al. 2019, Alroy 2002, Carroll 1988, Cisneros 2005, Cope 1889, Gray 1825, Hay 1902, Hirschfeld and Webb 1968, Kurten and Anderson 1980, McDonald and Naples 2007 and Thurmond and Jones 1981

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

Subtaxa: Megalonyx curvidens Megalonyx gigas Megalonyx gracilis Megalonyx jeffersonii Megalonyx leidyi Megalonyx leptostomus Megalonyx mathisi Megalonyx obtusidens Megalonyx validus Megalonyx wheatleyi

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Ecology: ground dwelling herbivore

Distribution:

• Quaternary of Canada (4: Alberta, Northwest Territories, Saskatchewan, Yukon collections), El Salvador (2), Guatemala (1), Honduras (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)

• Blancan of Mexico (2), United States (39: Arizona, California, Florida, Idaho, Kansas, Nebraska, Nevada, New Mexico, South Dakota, Texas, Washington)

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

• Hemphillian of Mexico (2), United States (16: California, Nebraska, Oklahoma, Oregon, Texas)

Total: 147 collections including 150 occurrences

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Specimen images are retrieved through the ePANDDA API.


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