Table 3. AMS radiocarbon dates on sloth bones from Cuba.
14C Lab-no. | Museum catalog no. or collector | Species | Locality and elevation | Skeletal element | d13C | 14C age, yr BP | cal BP |
---|---|---|---|---|---|---|---|
AA-35290 | MNHNCu V626 | Parocnus brownii | Las Breas de San Felipe (15–20 m) | Proximal humerus | –26.9 | 4,960 ± 280 | 6,350–4,950 |
AA-35291 | MNHNCu V627 | P. brownii | Las Breas de San Felipe (15–20 m) | Distal humerus | nd | 10,520 ± 440 | 13,450–11,050 |
AA-35292 | MNHNCu V649 | P. brownii | Las Breas de San Felipe (15–20 m) | Proximal humerus | –27.9 | 11,880 ± 420 | 15,450–12,950 |
B-115697 | E. Abreu | Megalocnus rodens | Cueva Beruvides (25–50 m) | Humerus | –19.6 | 6,250 ± 50 | 7,270–6,010 |
AA-no. is the sample number for the University of Arizona Acceleration Radiocarbon Laboratory. B-no. is the sample number for Beta Analytic Inc. cal BP dates are reported at 95% confidence. MNHNCu, Museo Nacional de Historia Natural (Cuba); nd, no data (d13C correction made using –25). Binomial nomenclature follows refs. 5 and 32. Information is from refs. 35, 37, and 39.