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interests / sci.anthropology.paleo / plate tectonics & hominoid evolution

plate tectonics & hominoid evolution

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Subject: plate tectonics & hominoid evolution
From: littoral...@gmail.com (littor...@gmail.com)
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by: littor...@gmail.com - Thu, 22 Sep 2022 14:45 UTC

Early hominoids were aquarboreal (arbor=tree, aqua=water):
bipedal waders-climbers in swamp forests:
apes evolved tail loss, centrally- rather than dorsally-placed spine, less lumbar & more sacral vertebrae, very wide pelvis-thorax-sternum + arms & legs laterally- rather than ventrally-placed etc.
Mio-Pliocene Hominoidea remained vertical+bipedal = aquarboreal IMO,
but early-Pleist.archaic Homo (H.erectus cs) became predom.shallow-diving (AAT s.s.), and late-Pleist.Homo (neand.->sapiens) became more wading->walking.

Hominoid apes = coastal forests originally:
- Homo/Pan c 5 Ma (Zanclean flood 5.3 Ma in Red Sea?? cf.Francesca:
at first they followed the Ind.Ocean coasts: Pan right = E.Afr.coasts, Homo left = S.Asian coasts?).
- HP/Gorilla c 8 Ma (Gorilla along the incipient E.Afr.Rift: afarensis Lucy etc.),
- hominids/pongids c 15 Ma (Mesopotamian Seaway closure separated Tethys Ocean into Tethys Sea = hominids + Ind.Ocean = pongids?),
- great/lesser apes c 20 Ma (India further underneath Eurasia separated gr.apes West & hylobatids East?),
- the OWM/ape split c 30 Ma (India approaching Eurasia created island archipels full of coastal forests, colonized by early apes?).

Simple, no?

"De Evolutie van de Mens.
Waarom wij rechtop lopen en kunnen spreken"
2022 Eburon Utrecht

:-)

Subject	Author
plate tectonics & hominoid evolution	littor...@gmail.com