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The Primate Family Tree or
Existing primate species can be divided into six subgroups: lemurs, lorises, tarsiers, New World monkeys, Old World monkeys,
and apes and humans.
Primate Evolutionary Tree
As reported in an article in the well-respected scientific magazine "Nature" in April, 2002 the
results of researches led by the Field Museum of Chicago have resulted in a revision of the primates evolutionary
The origin of primates has been pushed back from 65
million years ago to 85 million years ago, before the dinosaurs became
According to Dr. Martin vice president of academic affairs at The Field Museum and co-author of the research, who has studied primate evolution from many different perspectives for the past
30 years, their 85-million-year-old earliest common ancestor probably looked like a primitive, small-brained version of today's
That animal would probably have been a nocturnal, tree-living creature weighing about 1-2 pounds, with grasping
hands and feet, also used by the infant to cling to the mother's fur. It probably had large forward-facing eyes
for stereovision and a shortened snout. It would have inhabited tropical/subtropical forests, feeding on a mixed
diet composed mainly of fruit and insects. Like humans, it probably had a slow pace of breeding characterized
by heavy investment in a relatively small number of offspring.
The illustration above left was prepared by Nancy Klaud to accompany the Field Museum's research findings.
The sciences hold that there were many naturally occuring changes in physique and behaviour - some of these proved beneficial in terms
of survival - and were locally reinforced by such "successes-in-survival" allowing several branching divergences,
based on these survival-favouring changes,
to produce a primate evolutionary tree of related species.
Credit: © The Field Museum, D. Quednau.
The changes that allowed Humans to feature as part of a human / primate family tree, and which allowed Humanity
to become established as
we know it today, being very slowly accumulated due to various "survival advantages" that these changes
conferred allowing their possessors to be more generally successful in the struggle for life but particularly
so in the gaining of foodstuffs to nourish themselves, their families, and their friends.
At age-of-the-sage we are more truly interested in the origins of Human Psychology
and Spirituality than in the origins
of Human Physique.
The Faith versus Reason Debate
The Wisdoms and Insights available on our
site include some about Human Existence itself:-
"Whatever concept one may hold, from a metaphysical point of view, concerning the freedom of the will, certainly its appearances, which are human actions, like every other natural event, are determined by universal laws. However obscure their causes, history, which is concerned with narrating these appearances, permits us to hope that if we attend to the play of freedom of the human will in the large, we may be able to discern a regular movement in it, and that what seems complex and chaotic in the single individual may be seen from the standpoint of the human race as a whole to be a steady and progressive though slow evolution of its original endowment."
"...man is a bundle of relations, a knot of roots,
whose flower and fruitage is the world..."
Ralph Waldo Emerson
It seems highly likely that such Human-innate
"bundles of relations and knots of roots"
give rise to the "World" of Human Societies!!!
Immanuel Kant (1724-1804)
Idea for a Universal History from a Cosmopolitan Point of View (1784)
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