Table 2. Radiocarbon dates (yr BP and lab numbers) on sloth dung from South America.
| Nothrotherium maquinense Gruta de Brejões, Brazil (600 m) | Sloth, species uncertain Gruta del Indio, Argentina (660 m) | Sloth, species uncertain Cuchillo Curá, Argentina (1050 m) | Mylodon darwinii Cueva del Milodón, Chile (200 m) |
|---|---|---|---|
| 12,200 ± 120 NZA-6984 | 10,200 ± 300 A-1636 | 14,665 ± 150 Ua-13871 | 10,200 ± 400 SA-49 |
| 10,285 ± 240 A-9494 | 10,400 ± 330* A-1391 | ||
| 10,610 ± 210 A-1351 | 10,575 ± 400 GX-6248 | ||
| 10,900 ± 185 A-9493 | 10,832 ± 400 C-484 | ||
| 10,950 ± 60 GrN-5558 | 10,880 ± 300 GX-6243 | ||
| 11,040 ± 130 A-9570 | 11,775 ± 480 GX-6246 | ||
| 11,820 ± 180 A-1371 | 11,810 ± 299 BM-1210 | ||
| 12,375 ± 115 A-9571 | 11,905 ± 335 GX-6247 | ||
| 24,140 ± 510 LP-1075 | 12,020 ± 460 GX-6244 | ||
| 24,730 ± 860 A-9571 | 12,270 ± 350 A-2445 |
For Gruta del Indio and Cueva del Milodón, only the 10 youngest dates are given. Data are compiled from refs. 9, 22, 25–29, where additional details can be found. A, University of Arizona Radiocarbon Laboratory; BM, British Museum Radiocarbon Laboratory; GrN, Groningen Radiocarbon Laboratory; GX, Geochronology Laboratories, Inc.; LP, Tritium and Radiocarbon Laboratory, Universidad de la Plata; NZA, Rafter Radiocarbon Laboratory; SA, Gif sur Yvette, Saclay; Ua, Uppsala Accelerator.
*
Body tissue rather than dung