Proplatyarthrus

Proplatyarthrus Temporal range: Early Oligocene (Tinguirirican-Deseadan) ~33.9–28.4 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Talus bone of Proplatyarthrus
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Superorder:	Xenarthra
Order:	Pilosa
Family:	Megalonychidae
Genus:	†Proplatyarthrus Ameghino 1905
Species
P. longipes

Proplatyarthrus is an extinct genus of ground sloths of the family Megalonychidae, endemic to Chubut Province, Argentina in South America.^[1]

Taxonomy

Proplatyarthrus was named and a talus bone described by Florentino Ameghino in 1905.^[2] It was assigned to Megalonychidae by Carroll in 1988.^[3]

References

Bibliography

• Ameghino, Florentino. 1905. La faceta articular inferior única del astrágalo de algunos mamíferos no es un carácter primitivo. Anales del Museo Nacional de Buenos Aires 12. 1–64. Accessed 2016-07-27.

Further reading

• R. Hitz, M. Reguero, A. R. Wyss and J. J. Flynn. 2000. New interatheriines (Interatheriidae, Notoungulata) from the Paleogene of Central Chile and Southern Argentina. Fieldiana: Geology (New Series) 42:1-26

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Pilosan genera

• Kingdom: Animalia
• Phylum: Chordata
• Class: Mammalia
• Superorder: Xenarthra

Pilosa
Vermilingua †Argyromanis †Orthoarthrus Cyclopedidae Cyclopes †Palaeomyrmidon Myrmecophagidae Myrmecophaga †Neotamandua †Protamandua Tamandua Folivora †Pseudoglyptodon †Megalocnidae Acratocnus Imagocnus Megalocnus Mesocnus Miocnus Neocnus Parocnus Mylodontoidea Choloepus †Scelidotheriidae Analcitherium Catonyx Chubutherium Nematherium? Neonematherium Proscelidodon Scelidodon Scelidotheridium Scelidotheriops Scelidotherium Sibyllotherium Valgipes †Mylodontidae Baraguatherium Eionaletherium Nematherium Octodontobradys Octodontotherium Octomylodon Orophodon Paroctodontotherium Pseudoprepotherium Urumacotherium Mylodontinae Archaeomylodon Brievabradys? Glossotheriopsis Megabradys Mylodonopsis Ocnotherium Oreomylodon? Promylodon Ranculcus Strabosodon Lestodontini Bolivartherium Lestobradys Lestodon Magdalenabradys Sphenotherus Thinobadistes Mylodontini Glossotheridium Glossotherium Kiyumylodon Mylodon Paramylodon Pleurolestodon Simomylodon Megatherioidea see below↓

Megatherioidea
Megatherioidea Bradypus †Hapalops †Hiskatherium †Hyperleptus †Pelecyodon †Schismotherium †Similhapalops †Megalonychidae Deseadognathus Hapalops? Hyperleptus? Mesopotamocnus Paulocnus Proplatyarthrus Urumacocnus Ortotheriinae Diodomus Eucholoeops Hapaloides Megalonychotherium Ortotherium Paranabradys Pliomorphus Proschismotherium Pseudortotherium Torcellia Megalonychinae Ahytherium Australonyx Megalonychops Megalonyx Megistonyx Meizonyx Nohochichak Pattersonocnus Pliometanastes Protomegalonyx Sinclairia Xibalbaonyx Zacatzontli †Megatheria Analcimorphus Nothrotheriidae Neohapalops Thalassocnus? Nothrotheriinae Amphibradys Aymaratherium Chasicobradys Huilabradys Lakukullus Mcdonaldocnus Mionothropus Nothropus Nothrotheriops Nothrotherium Pronothrotherium Xyophorus Megatheriidae Thalassocnus? Planopsinae Planops Prepotherium Prepoplanops Proprepotherium Megatheriinae Anisodontherium Diabolotherium Eomegatherium Eremotherium Megathericulus Megatheridium Megatheriops Megatherium Ocnopus Perezfontanatherium Plesiomegatherium Pliomegatherium Proeremotherium Promegatherium Pyramiodontherium Sibotherium Urumaquia

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