FIGURE 4. †Diabolotherium nordenskioldi. 4.1, Ventral view of skull (MUSM 1017) from Área Perezoso (JU 2) of Jatun Uchco; 4.2, nearly complete manus (MUSM 1381), also from Área Perezoso, Jatun Uchco; and 4.3, Manual claw with keratin (MUSM 1678) from Trigo Jirka. Collagen from this claw of Trigo Jirka was used for ¹⁴C analysis. It yielded a conventional radiocarbon age of 29,140 ± 260 BP. Ancient DNA was also obtained from MUSM 1678.