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. 1999 Jan 5;96(1):313–317. doi: 10.1073/pnas.96.1.313

Figure 3.

Figure 3

The hand of O. bambolii from Baccinello. (a) Hand of a small animal (BA#140). This specimen belongs to a young adult because some epiphyses are still unfused. The thumb/index finger ratio can be considered to be definitive because intrinsic proportions of the hands remain unchanged during growth (28, 28). (b) Hand of the Florence skeleton (IGF 11778). (c) Hand of Dryopithecus laietanus (skeleton from Can Llobateres). Note that the hand of Oreopithecus (IGF specimen) and that of Dryopithecus (CLL-18800) differ greatly in size despite the comparable estimated body mass and the similar arm lengths of both individuals (30).