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. 2005 Aug 5;102(33):11763–11768. doi: 10.1073/pnas.0502777102

Table 4. New AMS radiocarbon dates on sloth bones from Haiti.

AA no. UF no. Species Locality and elevation Skeletal element d13C 14C age (yr BP) cal BP
58439 170123 Neocnus comes Trouing Ismays (970 m) Right humerus, left ulna –26.83 4,391 ± 42 5,260–5,180, 5,060–4,840
58430 170210 N. comes Trouing Deron 1 (1,000 m) Right pelvis –24.39 4,486 ± 39 5,300–5,030, 5,020–4,970
58435 170429 N. comes Trouing Attie (1,770 m) Right and left tibia –25.32 6,161 ± 45 7,210–6,900
58432 170308 N. comes Trouing Jeremie 5 (1,275 m) Left tibia –23.918 6,875 ± 47 7,790–7,610
58433 170311 N. comes Trouing Jeremie 5 (1,275 m) Right tibia –24.55 7,411 ± 51 8,350–8,150, 8,140–8,110, 8,090–8,040
58431 170046 N. comes Trouing Jeremie 5 (1,275 m) Right radius, right ulna –24.16 8,326 ± 57 9,490–9,240, 9,220–9,190, 9,180–9,130
58434 75469 N. dousman Trouing Marassa/Trujin Bridge (1,875 m) Right tibia –24.268 9,897 ± 65 11,560–11,170
58436 169942 Parocnus serus Trouing Gallery (40 m) Right femur –23.32 >14,200
58438 170195 N. comes Trouing de la Scierie (1,815 m) Left tibia –22.40 27,720 ± 560

All specimens are from the Haitian mainland except the single bone of Parocnus serus from Ile de la Tortue, 7.5 km north of the Haitian mainland. AA no. is the sample number for the University of Arizona Acceleration Radiocarbon Laboratory. UF no. is the catalog number in the Vertebrate Paleontology Collection, Florida Museum of Natural History. cal BP dates are reported at 95% confidence. Binomial nomenclature follows refs. 5 and 32.