Temporal range: Early-Late Miocene (Santacrucian-Huayquerian)
Hapalops is an extinct genus of ground sloth from the Early to Late Miocene of Brazil (Solimões Formation), Bolivia (Honda Group), Colombia (Honda Group), and Argentina (Santa Cruz Formation) in South America. Though related to the giant Megatherium, Hapalops was much smaller, measuring about 1 metre (3.3 ft) in length. Like most extinct sloths it is categorized as a ground sloth, but it is believed that the smaller size of Hapalops allowed it to engage in some climbing behaviors.
It had a robust body, short skull and long limbs with large, curved claws. When it did visit the ground the animal probably walked on the knuckles of its forelimbs, like a gorilla. Hapalops had very few teeth with no incisors, the mandible included only four pairs of teeth.
- Croft, 2007, p.300
- Hapalops at Fossilworks.org
- White, J. 1993. Indicators of locomotor habits in Xenarthrans: Evidence for locomotor heterogeneity among fossil sloths. Journal of Vertebrate Paleontology, 13(2): 230-242
- Palmer, D., ed. (1999). The Marshall Illustrated Encyclopedia of Dinosaurs and Prehistoric Animals. London: Marshall Editions. p. 207. ISBN 1-84028-152-9.
- "404 - File or directory not found" (in Spanish). Archived from the original on February 20, 2012. Retrieved August 10, 2015.
- Croft, Darin A. 2007. The Middle Miocene (Laventan) Quebrada Honda Fauna, southern Bolivia and a description of its Notoungulates. Palaeontology 50. 277-303. Accessed 2017-03-31.
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