Op donderdag 26 januari 2023 om 07:02:32 UTC+1 schreef
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Abstract
The Aquatic Ape Hypothesis for human evolution proposes that the common ancestor of humans & other great apes (Hominoidea subfamily) evolved c 15-8 Ma on a series of sunken Urobora Isles that existed SE of Socotra. Around 20 Ma, the connection between
Socotra & the Horn of Africa formed the Socotra Peninsula, which was a result of the same tectonic forces that caused the Red Sea & the Gulf of Aden to spread apart, and the Straights of Gibaltra to close, separating the Atlantic Ocean from the Med.Sea.
This event led to the Messinian Salinity Crisis (MSC) c 5.9 Ma, eventually ending with the Zanclean flood 5.3 Ma. MSC led to the re-establishment of the Socotra Peninsula, allowing Hominidea flow back into the African mainland. These would go on to
evolve into troops of bonobos & chimpanzees & bands of gorillas. On Urobora Isles for the next 2 My, a hominidea superfamily called the Urobora mob, were forced to survive on the coastal region of Urobora as a result of competition & territory pressure
from other already established mobs that controlled the island's main food sources. The Urobora would evolve into the Ardipithecus urobora 5.7 Ma, taking control on the island, and spreading to the other nearby Islands as a result of MSC. Approx.5.9 Ma,
MSC caused the Red Sea & the Gulf of Aden to be reduced by 1000 to 2000 m, allowing the Socotra Peninsula to join the Horn of Africa. And for the next 0.66 My, the MSC event created 100s of kms of new accessible ocean bottom, rich in shellfish & easy-to-
catch fish for the kadabba to take advantage of. The area would have been extremely salty, resembling the Dead Sea that MSC also created. The sea-food bonanza would come to a crashing end in c 5.3 Ma with the Zanclean flood. The food separated Socotra &
Urobora Isles. Some kadabba were forced into Africa, while 1 mob remained isolated on the Urobora Isles, where slowly rising sea-levels would make them even more isolated involving the hominin family over the next 4 My.
Playlist with talks.
https://youtube.com/playlist?list=PLDCD0CE5BB6508B99
:-D
IMO, gr.apes c 20 Ma colonized the W-Tethys Ocean coastal forests.
The Mesopotamian Seaway closure c 15 Ma split pongids E (Ind.Ocean) & hominids W (Tethys=Med.Sea).
Med.hominids died out (Messinian Salinity? 5.33 Ma Zanclean flood? Pliocene cooling?...?),
Red Sea hominids survived, incl. Gorilla & Homo-Pan:
-Gorilla (& other hominids Orrorin, Ardip., Sahelanthr...?) c 8-7 Ma followed the incipient N-Rift -> Praeanthr.afar.->boisei etc.,
-HP remained in the Red Sea until (5.33 Ma? Francesca Mansfield) it opened into the Gulf:
-- Pan went right -> E.Afr.coastal forests -> S-Rift -> Au.africanus->robustus etc. // Praeanthr. in N-Rfit,
-- Homo went left -> S.Asian coasts -> H.erectus Java etc. = "aq.ape"s.s. Google "human evolution Verhaegen". :-)
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