 In a 1988 interview Cockrell stated that the remains of more than 20 Paleoindians have been found in the sinkhole, including some radiocarbon dated to 12,000 years ago.The archaeologists also found bones of several Pleistocene animals, including a giant ground sloth, a saber-toothed cat, a horse, and a camelid.Cockrell found an 11,000-year-old human skeleton in a fetal position, apparently placed in a crevice with broken stalactites holding it in place.