Proplatyarthrus

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

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

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

• Paleontology portal
• Prehistoric mammals portal

1. "PaleoBiology Database: Proplatyarthrus, basic info". Archived from the original on 2012-10-13. Retrieved 2009-08-15.
2. Ameghino, 1905, p.59
3. R. L. Carroll. 1988. Vertebrate Paleontology and Evolution. W. H. Freeman and Company, New York 1-698

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, retrieved 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