TY - GEN AU - Ybarra,M A AU - Conroy,G C TI - Non-metric features in the ulna of Aegyptopithecus, Alouatta, Ateles, and Lagothrix SN - 0015-5713 PY - 1978///0726 KW - Alouatta KW - Animals KW - Haplorhini KW - Paleontology KW - Primates KW - Ulna KW - anatomy & histology N1 - Publication Type: Comparative Study; Journal Article UR - https://doi.org/10.1159/000155838 ER -