Life and death of the ground sloth Xibalbaonyx oviceps from the Yucatán Peninsula, Mexico

References

• Adam PJ, 1999. Choloepus didactylus. Mamm. Species 1–8.
   Google Scholar
• Amson E, Argot C, McDonald HG, de Muizon C. 2015. Osteology and functional morphology of the forelimb of the marine sloth Thalassocnus (Mammalia, Tardigrada). J Mamm Evol. 22:169–242. doi:10.1007/s10914-014-9268-3
   Web of Science ®Google Scholar
• Andrade LC, Barbosa FHDS, Melki LB, Oliveira EV, de Araújo-júnior HI, Maniesi V. 2019. Revealing bone diseases in the Quaternary ground sloth Eremotherium laurillardi (Mammalia, Xenarthra). Hist Biol. 1–9. doi:10.1080/08912963.2019.1700977
   Web of Science ®Google Scholar
• Argot C. 2001. Functional-adaptive anatomy of the forelimb in the didelphidae, and the paleobiology of the paleocene Marsupials Mayulestes ferox and Pucadelphys andinus. J Morphol. 247:51–79. doi:10.1002/1097-4687(200101)247:1<51::aid-jmor1003>3.0.co;2-%23
   PubMed Web of Science ®Google Scholar
• Bargo MS, Vizcaíno SF, Archuby FM, Blanco RE. 2000. Limb bone proportions, strength and digging in some lujanian (Late Pleistocene-Early Holocene) mylodontid ground sloths (Mammalia, Xenarthra). J Vertebr Paleontol. 20:601–610. doi:10.1671/0272-4634(2000)020[0601:LBPSAD]2.0.CO;2.
   Web of Science ®Google Scholar
• Blanchon P, Shaw J. 1995. Reef drowning during the last deglaciation: evidence for catastrophic sea-level rise and ice-sheet collapse. Geology. 23:4–8. doi:10.1130/0091-7613(1995)023<0004:RDDTLD>2.3.CO;2.
   Web of Science ®Google Scholar
• Böhmer C, Amson E, Arnold P, Van Heteren AH, Nyakatura JA. 2018. Homeotic transformations reflect departure from the mammalian “rule of seven” cervical vertebrae in sloths: inferences on the Hox code and morphological modularity of the mammalian neck. BMC Evol Biol. 18:1–11. doi:10.1186/s12862-018-1202-5
   PubMed Web of Science ®Google Scholar
• Buchholtz EA, Stepien CC. 2009. Anatomical transformation in mammals: developmental origin of aberrant cervical anatomy in tree sloths. Evol Dev. 11:69–79. doi:10.1111/j.1525-142X.2008.00303.x
   PubMed Web of Science ®Google Scholar
• Cartelle C, De Iuliis G. 2006. Eremotherium laurillardi (Lund) (Xenarthra, Megatheriidae), the Panamerican giant ground sloth: taxonomic aspects of the ontogeny of skull and dentition. J Syst Palaeontol. 4:199–209. doi:10.1017/S1477201905001781
   Web of Science ®Google Scholar
• Cartelle C, De Iuliis G, Pujos F. 2008. A new species of Megalonychidae (Mammalia, Xenarthra) from the Quaternary of Poço Azul (Bahia, Brazil). Comptes Rendus - Palevol. 8(7):335–346. doi:10.1016/j.crpv.2008.05.006.
   Google Scholar
• Crelin ES. 1988. Ligament of the head of the femur in the orangutan and Indian elephant. Yale J Biol Med. 61:383–388.
   PubMed Web of Science ®Google Scholar
• de Faria LG, Rahal SC, Mesquita LDR, Agostinho FS, Kano WT, Teixeira CR, Monteiro FOB. 2015. Gait analysis in giant anteater (Myrmecophaga Tridactyla) with the use of a pressure-sensitive walkway. J Zoo Wildl Med. 46:286–290. doi:10.1638/2014-0057r1.1
   PubMed Web of Science ®Google Scholar
• De Iuliis G, Pujos F, Cartelle C. 2009. A new ground sloth (Mammalia: Xenarthra) from the quaternary of Brazil. Comptes Rendus - Palevol. 8(8):705–715. doi:10.1016/j.crpv.2009.07.003.
   Web of Science ®Google Scholar
• de Muizon C, McDonald HG. 1995. An aquatic sloth from the Pliocene of Peru. Nature. 375:224–227. doi:10.1038/375224a0
   Web of Science ®Google Scholar
• de Souza Barbosa FH, Araújo-Júnior HI, De, Oliveira EV. 2014. Neck osteoarthritis in Eremotherium laurillardi (Lund, 1842; Mammalia, Xenarthra) from the Late Pleistocene of Brazil. Int J Paleopathol. 6:60–63. doi:10.1016/j.ijpp.2014.01.001
   PubMed Web of Science ®Google Scholar
• de Souza Barbosa FH, Porpino KO, Bergqvist LP, Rothschild BM. 2016. Elucidating bone diseases in brazilian pleistocene sloths nothrotheriidae and megalonychidae families. Ameghiniana. 54:331–340. doi:10.5710/AMGH.30.11.2016.3032.
   Web of Science ®Google Scholar
• Fabre AC, Cornette R, Goswami A, Peigné S. 2015. Do constraints associated with the locomotor habitat drive the evolution of forelimb shape? A case study in musteloid carnivorans. J Anat. 226:596–610. doi:10.1111/joa.12315
   PubMed Web of Science ®Google Scholar
• Feehan J. 2001. The rocks and landforms of the burren. In: O’Connell JW, Korff A, editors. The book of the burren. Dublin: Tir Eolas; p. 14–23.
   Google Scholar
• González González AH, Terrazas Mata A, Stinnesbeck W, Benavente ME, Avilés Olguín J, Rojas Sandoval C, Padilla JM, Velázquez Morlet A, Acevez Nuñez E, Frey E. 2013. The first human settlers on the Yucatan Peninsula: evidence from drowned caves in the State of Quintana Roo (South Mexico). In: Graf KE, Ketron CV, Waters M, editors. Paleoamerican Odyssey. Santa Fe, New Mexico: Texas A&M University; p. 323–337.
   Google Scholar
• González González AH, Rojas Sandoval C, Terrazas Mata A, Benavente Sanvicente M, Stinnesbeck W, Aviles Olguín J, De Los Ríos M, Acevez Nuñez E, Aviles O, De Los J, et al. 2008. The arrival of humans on the Yucatan peninsula: evidence from submerged caves in the State of Quintana Roo, Mexico. Curr Res Pleistocene. 25:1–24.
   Google Scholar
• Grass AD. 2014. Inferring lifestyle and locomotor habits of extinct sloths through scapula morphology and implications for convergent evolution in extant sloths. Iowa City, Iowa: University of Iowa.
   Google Scholar
• Grass AD. 2019. Inferring differential behavior between giant ground sloth adults and juveniles through scapula morphology. J Vertebr Paleontol. 39:1–15. doi:10.1080/02724634.2019.1569018
   Web of Science ®Google Scholar
• Henderson K, Pantinople J, McCabe K, Richards HL, Milne N. 2017. Forelimb bone curvature in terrestrial and arboreal mammals. PeerJ 2017. doi:10.7717/peerj.3229
   Google Scholar
• Hering F, Stinnesbeck W, Folmeister J, Frey E, Stinnesbeck SR, Avilés J, Acevez Nuñez E, González AH, Terrazas Mata A, Benavente Sanvicente ME, et al. 2018. The Chan Hol cave near Tulum (Quintana Roo, Mexico): evidence for long-lasting human presence during the early to middle Holocene. J Quat Sci. 33:444–454. doi:10.1002/jqs.3025
   Web of Science ®Google Scholar
• Hildebrand M. 1985. Digging of quadrupeds. In: Hildebrand M (ed) Functional Vertebrate Morphology. Cambridge: Cambridge University Press, pp 89–109.
   Google Scholar
• Hirschfeld SE, Webb SD. 1968. Plio-Pleistocene megalonychid sloths of North America. Bull Florida State Museum Biol Sci. 12:213–296.
   Google Scholar
• Holte SE, 2012. Description of Jefferson’s ground sloth (Megalonyx jeffersonii) from ACb-3 cave, colbert county, alabama, with comments on ontogeny, taphonomy, pathology, and paleoecology. Electron. Theses Diss. East Tennessee State University.
   Google Scholar
• Laurin M, Argot C, Amson E, de Buffrenil V, de Muizon C. 2014. Gradual adaptation of bone structure to aquatic lifestyle in extinct sloths from Peru. Proc R Soc B Biol Sci. 281:20140192. doi:10.1098/rspb.2014.0192
   PubMed Web of Science ®Google Scholar
• Leidy J. 1855. A memoir on the extinct sloth tribe of North America. Philadelphia: Smithsonian institution.
   Google Scholar
• Long KM, Prothero DR, Madan M, Syverson VJP. 2018. Allometric shape changes during ontogeny of the Rancho La Brea ground sloth Paramylodon harlani. In: Lucas SG, Sullivan RM, editors. Fossil Record. Albuquerque: New Mexico Museum of Natural History and Science; p. 481.
   Google Scholar
• McDonald HG. 1977. Description of the osteology of the exctinct gravigrade edentate Megalonyx with observations on its ontogeny, phylogeny and functional anatomy. Gainesville, Florida: University of Florida.
   Google Scholar
• McDonald HG. 2005. Paleoecology of extinct xenarthrans and the Great American biotic interchange. Bull Florida Museum Nat Hist. 45:313–333.
   Google Scholar
• McDonald HG. 2007. Biomechanical inferences of locomotion in ground sloths: integrating morphological and track data. Cenozoic Vertberate Tracks and Traces. Bulletin 42(42):201–208.
   Google Scholar
• McDonald HG. 2012. Evolution of the pedolateral foot in ground sloths: patterns of change in the astragalus. J Mamm Evol. 19:209–215. doi:10.1007/s10914-011-9182-x
   Web of Science ®Google Scholar
• McDonald HG, Carranza-Castañeda O. 2017. Increased xenarthran diversity of the Great American biotic interchange: a new genus and species of ground sloth (Mammalia, Xenarthra, Megalonychidae) from the Hemphillian (late Miocene) of Jalisco, Mexico. J Paleontol. 91:1069–1082. doi:10.1017/jpa.2017.45
   Web of Science ®Google Scholar
• McDonald HG, Harington CR, De Iuliis G. 2000. The ground sloth Megalonyx from pleistocene deposits of the old crow Basin, Yukon, Canada. Arctic. 53:213–220. doi:10.14430/arctic852.
   Web of Science ®Google Scholar
• Moseley GE, Richards DA, Smart PL, Standish CD, Hoffmann DL, Hove HT, Vinn O. 2015. Early–middle Holocene relative sea-level oscillation events recorded in a submerged speleothem from the Yucatán Peninsula, Mexico. The Holocene. 25:1511–1521. doi:10.1177/0959683615585832.
   Web of Science ®Google Scholar
• Muchlinski MN, Hammond AS, Deane AS, Purcell M, Hemingway HW, Hantke G, Pastor F, Garrosa M, Hartstone-Rose A. 2018. The ligamentum teres femoris in orangutans. Am J Phys Anthropol. 167(3):684–690. doi:10.1002/ajpa.23644.
   PubMed Web of Science ®Google Scholar
• Nyakatura, J. (2010). On the functional morphology and locomotion of the two-toed sloth (Choloepus didactylus, Xenarthra). Doctoral dissertation, Friedrich‐Schiller‐University, Jena
   Google Scholar
• Nyakatura JA. 2012. The Convergent Evolution of Suspensory Posture and Locomotion in Tree Sloths. J Mamm Evol. 19(3):225–234. doi:10.1007/s10914-011-9174-x.
   Web of Science ®Google Scholar
• Orr CM. 2005. Knuckle-walking anteater: A convergence test of adaptation for purported knuckle-walking features of African hominidae. Am J Phys Anthropol. 128(3):639–658. doi:10.1002/ajpa.20192.
   PubMed Web of Science ®Google Scholar
• Owen R. 1842. Description of the skeleton of an extinct gigantic sloth, Mylodon robustus Owen, with observations on the osteology, natural affinities and probable habits of the megatherioid quadrupeds in general. London: Royal College of Surgeons.
   Google Scholar
• Potau JM, Bardina X, Ciurana N, Camprubí D, Pastor JF, de Paz F, Barbosa M. 2009. Quantitative analysis of the deltoid and rotator cuff muscles in humans and great Apes. Int J Primatol. 30(5):697–708. doi:10.1007/s10764-009-9368-8.
   Web of Science ®Google Scholar
• Presslee S, Slater GJ, Pujos F, Forasiepi AM, Fischer R, Molloy K, Mackie M, Olsen JV, Kramarz A, Taglioretti M, et al. 2019. Palaeoproteomics resolves sloth relationships. Nat Ecol Evol. 3(7):1121–1130. doi:10.1038/s41559-019-0909-z.
   PubMed Web of Science ®Google Scholar
• Pujos F, De Iuliis G, Argot C, Werdelin L. 2007. A peculiar climbing Megalonychidae from the Pleistocene of Peru and its implication for sloth history. Zool J Linn Soc. 149(2):179–235. doi:10.1111/j.1096-3642.2007.00240.x.
   Web of Science ®Google Scholar
• Pujos F, De Iuliis G, Cartelle C. 2016. A paleogeographic overview of tropical fossil sloths: towards an understanding of the origin of extant suspensory sloths? J Mamm Evol. 1–20. doi:10.1007/s10914-016-9330-4
   Web of Science ®Google Scholar
• Ritter SM, Isenbeck-Schröter M, Scholz C, Keppler F, Gescher J, Klose L, Schorndorf N, Avilés Olguín J, González-González A, Stinnesbeck W. 2019. Subaqueous speleothems (Hells Bells) formed by the interplay of pelagic redoxcline biogeochemistry and specific hydraulic conditions in the El Zapote sinkhole, Yucatán Peninsula, Mexico. Biogeosciences Discuss. 1–35. doi:10.5194/bg-2018-520
   Web of Science ®Google Scholar
• Rose KD, Emry RJ. 1993. Relationships of Xenarthra, Pholidota, and fossil “edentates”: the morphological evidence. In: Szalay FS, Novacek MJ, McKenna MC (eds) Mammal Phylogeny: Placentals. New York: Springer-Verlag, pp 81–102
   Google Scholar
• Steadman DW, Martin PS, MacPhee RDE, Jull AJT, McDonald HG, Woods CA, Iturralde-Vinent M, Hodgins GWL. 2005. Asynchronous extinction of late Quaternary sloths on continents and islands. Proc Natl Acad Sci U S A. 102(33):11763–11768. doi:10.1016/j.quaint.2012.04.036.
   PubMed Web of Science ®Google Scholar
• Stinnesbeck SR, Frey E, Olguín JA, Stinnesbeck W, Zell P, Mallison H, González González A, Aceves Núñez E, Velázquez Morlet A, Terrazas Mata A, et al. 2017a. Xibalbaonyx oviceps, a new megalonychid ground sloth (Folivora, Xenarthra) from the Late Pleistocene of the Yucatán Peninsula, Mexico, and its paleobiogeographic significance. Palaontologische Zeitschrift. 91(2):245–271. doi:10.1007/s12542-017-0349-5.
   Google Scholar
• Stinnesbeck SR, Frey E, Stinnesbeck W. 2018a. New insights on the paleogeographic distribution of the Late Pleistocene ground sloth genus Xibalbaonyx along the Mesoamerican Corridor. J South Am Earth Sci. 85:108–120. doi:10.1016/j.jsames.2018.05.004
   Web of Science ®Google Scholar
• Stinnesbeck SR, Frey E, Stinnesbeck W, Avíles Olguín J, Zell P, Terrazas Mata A, Benavente Sanvicente M, González González A, Rojas Sandoval C, Acevez Nuñez E. 2017b. A new fossil peccary from the Pleistocene-Holocene boundary of the eastern Yucatán Peninsula, Mexico. J South Am Earth Sci. 77:341–349. doi:10.1016/j.jsames.2016.11.003
   Web of Science ®Google Scholar
• Stinnesbeck SR, Stinnesbeck W, Frey E, Avilés Olguín J, González González A. 2020a. Xibalbaonyx exinferis n. sp. (Megalonychidae), a new Pleistocene ground sloth from the Yucatán Peninsula, Mexico. Hist Biol. 1–12. doi:10.1080/08912963.2020.1754817
   Web of Science ®Google Scholar
• Stinnesbeck SR, Stinnesbeck W, Frey E, Avilés Olguín J, Rojas Sandoval C, Velázquez Morlet A, González H. 2018b. Panthera balamoides and other Pleistocene felids from the submerged caves of Tulum, Quintana Roo, Mexico. Hist Biol. 1–10. doi:10.1080/08912963.2018.1556649
   Google Scholar
• Stinnesbeck SR, Stinnesbeck W, Terrazas Mata A, Avilés Olguín J, Benavente Sanvicente M, Zell P, Frey E, Lindauer S, Rojas Sandoval C, Velázquez Morlet A, et al. 2018c. The Muknal cave near Tulum, Mexico: an early-Holocene funeral site on the Yucatán peninsula. The Holocene. 1–14. doi:10.1177/0959683618798124
   Web of Science ®Google Scholar
• Stinnesbeck W, Becker J, Hering F, Frey E, González González AH, Fohlmeister J, Stinnesbeck SR, Frank N, Terrazas Mata A, Benavente Sanvicente ME, et al. 2017a. The earliest settlers of Mesoamerica date back to the late Pleistocene. PLoS One. 12(8):16–18. doi:10.1371/journal.pone.0183345.
   Web of Science ®Google Scholar
• Stinnesbeck W, Rennie SR, Stinnesbeck SR, Avilés Olguín J, Gonzalez S, Frank N, Warken S, Schorndorf N, Krengel T, Velázquez Morlet A, et al. 2020b. New evidence for an early settlement of the Yucatan Peninsula, Mexico: the Chan Hol 3 woman and her meaning for the Peopling of the Americas. PLoS One. 15(2):e0227984. doi:10.1371/journal.pone.0227984.
   PubMed Web of Science ®Google Scholar
• Tambusso PS, Varela L, McDonald HG. 2018. Fusion of anterior thoracic vertebrae in Pleistocene ground sloths. Hist Biol. 32:1–8. doi:10.1080/08912963.2018.1487419
   Web of Science ®Google Scholar
• Toledo N, Bargo MS, Vizcaíno SF. 2013. Muscular reconstruction and functional morphology of the forelimb of early miocene sloths (Xenarthra, Folivora) of patagonia. Anat Rec. 296(2):305–325. doi:10.1002/ar.22627.
   Google Scholar
• Varela-Lasheras I, Bakker AJ, van der Mije SD, Metz JAJ, van Alphen J, Galis F. 2011. Breaking evolutionary and pleiotropic constraints in mammals: on sloths, manatees and homeotic mutations. Evodevo. 2(1):1–27. doi:10.1186/2041-9139-2-11.
   PubMedGoogle Scholar
• Ward WC, Weidie AE, Back W. 1985. Geology and hydrogeology of the Yucatan and Quaternary geology of northeastern Yucatan Peninsula. New Orleans: Geological Society.
   Google Scholar
• Weidie AE. 1985. Part I: geology of Yucatan Platform. In: Ward WC, Weidie AE, Back W, editors. Geology and hydrogeology of the yucatan and quaternary geology of Northeastern Yucatan Peninsula. New Orleans: Geological Society; p. 1–19.
   Google Scholar
• White JL. 1993. Indicators of locomotor habits in xenarthrans: evidence for locomotor heterogeneity among fossil sloths. J Vertebr Paleontol. 13(2):230–242. doi:10.1080/02724634.1993.10011502.
   Google Scholar
• White JL, MacPhee RDE. 2001. The sloths of the West Indies: a systematic and phylogenetic review. In: Woods, Charles A., and Florence E. Sergile, (eds)  Biogeography of the West Indies: patterns and Perspectives. New York: CRC Press; p. 201–235.
   Google Scholar