«Earliest evidence in fossil record for right - handedness: Teeth striations of Homo habilis fossil date back 1.8 million years.» (sciencedaily.com)
Lubenow's book doesn't have any discussion of the Dmanisi skulls (the skeletal bones were not then known), but he does put the largest of the 3 Dmanisi skulls in his list of H. erectus fossils (which he considers human, p. 350), and the smaller 2 Dmanisi skulls in his list of H. habilis fossils (p. 352), which he considers to be apes. (pandasthumb.org)
Goodman calls the Homo habilis fossil OH 7 discovered in 1961 by the nickname «Twiggy», when Twiggy is the nickname of OH 24, discovered in 1968. (talkorigins.org)