Proplatyarthrus

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Proplatyarthrus
Temporal range: Early Oligocene (Tinguirirican-Deseadan)
~33.9–28.4 Ma
Proplatyarthrus talus bone.jpg
Talus bone of Proplatyarthrus
Scientific classification
Kingdom:
Phylum:
Chordata
Class:
Superorder:
Order:
Family:
Genus:
Proplatyarthrus

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]

Sister genera[]

Acratocnus, Ahytherium (syn. Iporangabradyx, Iporangabradyx collecti), , Choloepus, , , Megalocnus, , , Megalonyx (syn. Morotherium), Meizonyx, , , Miocnus, Pliometanastes.

References[]

  1. ^ PaleoBiology Database: Proplatyarthrus, basic info
  2. ^ Ameghino, 1905, p.59
  3. ^ R. L. Carroll. 1988. Vertebrate Paleontology and Evolution. W. H. Freeman and Company, New York 1-698

Bibliography[]

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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