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an emergent
website design
by
peter jay stein, md, ma
atmosphere
asthenosphere
lithosphere
regolith
biosphere
hydrosphere
This 54 page synopsis of the evolution
of the Earth, the origin and progression of life, and the
emergence of humans as descendants of the hominin lineage, divides the last 4.57 billion years into progressively overlapping, imagistic, time segments, to outline our place in biological existence.
magnetosphere
ionosphere
EUKARYA
TWENTY-FOUR
EMERGENT HAPLORHINES
ANIMALIA
BILATERIA
DEUTEROSTOME
CHORDATE
VERTEBRATE - FISH
VERTEBRATE - AMPHIBIAN
VERTEBRATE - REPTILE
reptilian fluid-containing eggs cut final tie with ocean
VERTEBRATE - MAMMAL
VERTEBRATE - DINOSAUR
birth of dinosaurs coincides with appearance of hardwood forests
VERTEBRATE - BIRD
PRIMATE
STREPSIRRHINI
HAPLORHINI
ANTHROPOID
PLATYRRHINI
CATARRHINI
HOMINOIDEA
HOMINIDEA
HOMININI
HOMO (GENUS)
HUMAN
*2 small bones of the reptilian lower jaw-bone, near the mandibular joint, evolve to form the malleus and incus, joining together with the reptilian stapes, to form the mammalian middle ear
200 mya
1.4 bya
SYNAPSIDS:
(single pair of
temporal bone openings)
DIAPSIDS:
(double pair of temporal bone openings)
first tetrapod
85 - 60 million years ago
ALTIATLASIUS
lemurs, galagos
new world monkeys
tarsiers
(simians)
old world monkeys, apes
(south america)
20 million years ago
PROCONSUL
30 million years ago
AEGYPTOPITHECUS
13 million years ago
SIVAPITHECUS/DRYOPITHECUS
7 million years ago
SAHELANTHROPUS TSCHADENSIS
2.4 million years ago
HOMO HABILIS
200,000 years ago
HOMO SAPIENS
HOMO (GENUS)
542 mya
375 mya
"Dawn Monkey"
earliest anthropoid (?)
45 million years ago
EOSIMIAS
DEATH OF THE DINOSAURS
END OF THE CRETACEOUS PERIOD
END OF THE MESOZOIC ERA
195 million years ago
66 million years ago
(pro-simians)
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