Fiedal, Stuart (2009). Sudden deaths: The chronology of terminal Pleistocene megafaunal extinction. У Haynes, Gary (ред.). American Megafaunal Extinctions at the End of the Pleistocene. Springer. с. 21—37. doi:10.1007/978-1-4020-8793-6_2. ISBN978-1-4020-8792-9.
Gaudin, T.J. (14 вересня 1995). The Ear Region of Edentates and the Phylogeny of the Tardigrada (Mammalia, Xenarthra). Journal of Vertebrate Paleontology. 15 (3): 672—705. doi:10.1080/02724634.1995.10011255. JSTOR4523658.
Blanco, R.E.; Rinderknecht, A. (2012). Fossil evidence of frequency range of hearing independent of body size in South American Pleistocene ground sloths (Mammalia, Xenarthra). Comptes Rendus Palevol. 11 (8): 549—554. doi:10.1016/j.crpv.2012.07.003.
Blanco, R.E.; Jones, W.W. (2014). Estimation of hearing capabilities of Early Miocene sloths (Mammalia, Xenarthra, Folivora) and palaeobiological implications. Historical Biology. 28 (3): 390—397. doi:10.1080/08912963.2014.946415. S2CID84691573.
Gaudin, T.J. (14 вересня 1995). The Ear Region of Edentates and the Phylogeny of the Tardigrada (Mammalia, Xenarthra). Journal of Vertebrate Paleontology. 15 (3): 672—705. doi:10.1080/02724634.1995.10011255. JSTOR4523658.
Mosimann, J.E.; Martin, P.S. (May–June 1975). Simulating overkill by paleoindians: Did man hunt the giant mammals of the New World to extinction? Mathematical models show that the hypothesis is feasible. American Scientist(англ.). 63 (3): 304—313. JSTOR27845466.