Evolutionary lineage of primates
A. Characteristics of primates
Anatomical Comparison (Sidebar 1)
Primate Evolutionary Tree Part 1 (Sidebar 2)

B. Tree shrew-like common ancestor

C. Evaluating the evidence for the evolutionary lineage of primates

1. From tree shrew to lemur a. There are no transitional forms showing that tree shrews evolved into lemur-like animals; it in an inferred relationship b. There is no close relationship at all between tree shrews and primates c. There are no maternal similarities (of behavior) between tree shrews and primates 2. From lemur to monkey a. There is no transitional form or history of the origin of New World monkeys (according to Kelso) b. There is no record of the evolution of Old world monkeys (according to Kelso) 3. From monkeys to apes (gibbons, chimpanzees, gorillas, orangutans) a. There are no transitional forms b. Find discontinuity, not continuity