Pronothrotherium
Temporal range: Late Miocene (Huayquerian)
~9.0–6.8 Ma
↓
Skeletal mount of Pronothrotherium typicum, Field Museum of Natural History
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Pilosa
Family: †Nothrotheriidae
Subfamily: †Nothrotheriinae
Genus: †Pronothrotherium
Ameghino, 1907
Type species
†Pronothrotherium typicum
Ameghino, 1907
Species
  • †P. typicum Ameghino 1907
  • †P. mirabilis Kraglievich 1925

Pronothrotherium is an extinct genus of ground sloths from Argentina and Uruguay.[1][2] Fossils of Pronothrotherium have been found in the Ituzaingó Formation of Argentina.[3] The body weight of the animal has been estimated at 937 kg (2,066 lb).[4]

References

  1. ^ "Pronothrotherium". Paleobiology Database. Retrieved 2012-10-11.
  2. ^ Frick, C. (1921). "Extinct Vertebrate Faunas of the Badlands of Bautista Creek and San Timoteo Canon, Southern California". Bulletin of the Department of Geology. Vol. XII. University of California, Berkeley. p. 349. Retrieved 2012-10-11.
  3. ^ Pronothrotherium at Fossilworks.org
  4. ^ Toledo, N.; Bargo, M. S.; Vizcaíno, S. F.; De Iuliis, G.; Pujos, F. (2017). "Evolution of body size in anteaters and sloths (Xenarthra, Pilosa): phylogeny, metabolism, diet and substrate preferences". Earth and Environmental Science Transactions of the Royal Society of Edinburgh. 106 (4): 289–301. doi:10.1017/S1755691016000177.


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