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
Talus bone of Proplatyarthrus
Scientific classification
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Proplatyarthrus

Species
  • P. longipes

Taxonomy edit

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 edit

  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 edit

Further reading edit

  • 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