IOW, only incredible imbeciles believe H.erectus ran after antelopes.
:-DDD
[email protected] wrote:
IOW, only incredible imbeciles believe H.erectus ran after antelopes.Oh, I think it's settled. Nobody is defending such nonsense, not here,
:-DDD
and if anyone does they're simply being dogmatic.
Let's move past the dinkweeds...
I personally believe that "Modern Man" begins with erectus. Sure he
was tropical, meaning he wasn't adapted to colder climates, and
being tied to the water would be a good reason for that. But in a
sense we have that now with human populations, just not to the
same extant.
Probably the biggest adaptation was mtDNA lines. Our mtDNA is
the "power source" for the cells. The best example of why this is
would be the elderly. Why? Because many always seem to be cold.
This is because mtDNA slows down with age!
Slowing down = colder
That's why you get the clich'e of the kind old grandam with her
shawl...
So being a tropical species, our mtDNA started off pretty slow. We
didn't need it. We lived in warm environments were mtDNA keeping
us warmer might've been a severe disadvantage. But as we spread
out, got pushed inland, moved north well, changes to our mtDNA
would be quite beneficial.
RELATED: The longer your mtDNA line stays active, the better. If
you want "Elders," if you want grandparents and you want to live
in cold climates, you need your mtDNA to last longer before slowing
down. It's not a huge issue for tropical populations where it's warm
but, it sure helps up north!
So erectus was the first so called "Modern" man. They didn't have
the same mtDNA line(s), not yet, but is that really such a big deal?
No. No it isn't.
-- --
https://jtem.tumblr.com/post/691353674855972864
Homo: generalist omnivores.
Somebody:---
Homo: generalist omnivores.
H.sapiens = omnivore, yes cf. our complex evolution,
H.erectus = molluscivore:
- tooth caused by "sand & oral processing of marine mollusks" (Towle cs 2022 doi 10.1002/ajpa.24500).
- originally found amid shellfish & barnacles: Mojokerto.
- made engravings on seashells (Joordens cs 2015 Nature 518:228–231).
- ear exostoses are caused by cold water irrigation.
- pachyosteosclerosis = slow+shallow-diving (de Buffrénil cs 2010 J.Mamm.Evol.17:101–120).
- brain enlargement (dolphins & pinnipeds) = seafood (DHA).
- stone tool use & manual dexterity cf. sea-otters.
- island colonizations far oversea.
Only increible imbeciles deny erectus was molluscivorous.
Homo: generalist omnivores.
H.sapiens = omnivore, yes cf. our complex evolution,
H.erectus = molluscivore:
- tooth caused by "sand & oral processing of marine mollusks" (Towle cs 2022 doi 10.1002/ajpa.24500).
- originally found amid shellfish & barnacles: Mojokerto.
- made engravings on seashells (Joordens cs 2015 Nature 518:228–231).
- ear exostoses are caused by cold water irrigation.
- pachyosteosclerosis = slow+shallow-diving (de Buffrénil cs 2010 J.Mamm.Evol.17:101–120).
- brain enlargement (dolphins & pinnipeds) = seafood (DHA).
- stone tool use & manual dexterity cf. sea-otters.
- island colonizations far oversea.
Only incredible imbeciles deny erectus was molluscivorous.
Homo: generalist omnivore.
Shellfish mounds = guar kepah
In Malaysia's west coast
(I was there in 1982 while a student at Univ. Malaya)
Op dinsdag 2 augustus 2022 om 23:55:56 UTC+2 schreef DD'eDeN aka note/nickname/alas_my_loves:
Homo: generalist omnivores.
:-DDDH.sapiens = omnivore, yes cf. our complex evolution,Homo: generalist omnivore.
H.erectus = molluscivore:
- tooth caused by "sand & oral processing of marine mollusks" (Towle cs 2022 doi 10.1002/ajpa.24500).
- originally found amid shellfish & barnacles: Mojokerto.
- made engravings on seashells (Joordens cs 2015 Nature 518:228–231). - ear exostoses are caused by cold water irrigation.
- pachyosteosclerosis = slow+shallow-diving (de Buffrénil cs 2010 J.Mamm.Evol.17:101–120).
- brain enlargement (dolphins & pinnipeds) = seafood (DHA).
- stone tool use & manual dexterity cf. sea-otters.
- island colonizations far oversea.
Only incredible imbeciles deny erectus was molluscivorous.
Shellfish mounds = guar kepah
In Malaysia's west coast
(I was there in 1982 while a student at Univ. Malaya)
And you still confuse early-Pleistocene & Holocene???
My little boy, H.erectus was molluscivore (see above):
IOW, of course, H.sapiens can eat molluscs!
Are you really that dumb??
Homo: generalist omnivores.
H.sapiens = omnivore, yes cf. our complex evolution,
H.erectus = molluscivore:
- tooth caused by "sand & oral processing of marine mollusks" (Towle cs 2022 doi 10.1002/ajpa.24500).
- originally found amid shellfish & barnacles: Mojokerto.
- made engravings on seashells (Joordens cs 2015 Nature 518:228–231).
- ear exostoses are caused by cold water irrigation.
- pachyosteosclerosis = slow+shallow-diving (de Buffrénil cs 2010 J.Mamm.Evol.17:101–120).
- brain enlargement (dolphins & pinnipeds) = seafood (DHA).
- stone tool use & manual dexterity cf. sea-otters.
- island colonizations far oversea.
Only incredible imbeciles deny erectus was molluscivorous.
Homo: generalist omnivore.
Shellfish mounds = guar kepah
In Malaysia's west coast
(I was there in 1982 while a student at Univ. Malaya)
:-DDD
And you still confuse early-Pleistocene & Holocene???
Why are you confusing them? Homo is and always has been a sheltered ground ape
with slow brachiating ancestors.
My little boy, H.erectus was molluscivore (see above):
IOW, of course, H.sapiens can eat molluscs!
Are you really that dumb??
Odobenus is and has always been a molluscivore,
H.sapiens = omnivore, yes cf. our complex evolution,
H.erectus = molluscivore:
- tooth caused by "sand & oral processing of marine mollusks" (Towle cs 2022 doi 10.1002/ajpa.24500).
- originally found amid shellfish & barnacles: Mojokerto.
- made engravings on seashells (Joordens cs 2015 Nature 518:228–231).
- ear exostoses are caused by cold water irrigation.
- pachyosteosclerosis = slow+shallow-diving (de Buffrénil cs 2010 J.Mamm.Evol.17:101–120).
- brain enlargement (dolphins & pinnipeds) = seafood (DHA).
- stone tool use & manual dexterity cf. sea-otters.
- island colonizations far oversea.
Op woensdag 3 augustus 2022 om 12:24:56 UTC+2 schreef DD'eDeN aka note/nickname/alas_my_loves:
Homo: generalist omnivores.
H.sapiens = omnivore, yes cf. our complex evolution,
H.erectus = molluscivore:
- tooth caused by "sand & oral processing of marine mollusks" (Towle cs 2022 doi 10.1002/ajpa.24500).
- originally found amid shellfish & barnacles: Mojokerto.
- made engravings on seashells (Joordens cs 2015 Nature 518:228–231).
- ear exostoses are caused by cold water irrigation.
- pachyosteosclerosis = slow+shallow-diving (de Buffrénil cs 2010 J.Mamm.Evol.17:101–120).
- brain enlargement (dolphins & pinnipeds) = seafood (DHA).
- stone tool use & manual dexterity cf. sea-otters.
- island colonizations far oversea.
Only incredible imbeciles deny erectus was molluscivorous.
Homo: generalist omnivore.
Shellfish mounds = guar kepah
In Malaysia's west coast
(I was there in 1982 while a student at Univ. Malaya)
:-DDD
And you still confuse early-Pleistocene & Holocene???
Why are you confusing them? Homo is and always has been a sheltered ground ape:-DDD
with slow brachiating ancestors.
Brachiation is per definition fast...
Sigh...My take a nap, little mermaid..
My little boy, H.erectus was molluscivore (see above):
IOW, of course, H.sapiens can eat molluscs!
Are you really that dumb??
Odobenus is and has always been a molluscivore,No,
Don't you understand "always"??
:-DDD
Op dinsdag 2 augustus 2022 om 21:37:29 UTC+2 schreef [email protected]:
H.sapiens = omnivore, yes cf. our complex evolution,But if erectus was only a molluscivore, why did he made engravings?
H.erectus = molluscivore:
- tooth caused by "sand & oral processing of marine mollusks" (Towle cs 2022 doi 10.1002/ajpa.24500).
- originally found amid shellfish & barnacles: Mojokerto.
- made engravings on seashells (Joordens cs 2015 Nature 518:228–231).
- ear exostoses are caused by cold water irrigation.
- pachyosteosclerosis = slow+shallow-diving (de Buffrénil cs 2010 J.Mamm.Evol.17:101–120).
- brain enlargement (dolphins & pinnipeds) = seafood (DHA).
- stone tool use & manual dexterity cf. sea-otters.
- island colonizations far oversea.
Homo: generalist omnivore.
Shellfish mounds = guar kepah
In Malaysia's west coast
(I was there in 1982 while a student at Univ. Malaya)
:-DDD
And you still confuse early-Pleistocene & Holocene???
Why are you confusing them? Homo is and always has been a sheltered ground ape
:-DDD
with slow brachiating ancestors.
Brachiation is per definition fast...
No, little mermaid.
Op woensdag 3 augustus 2022 om 19:21:49 UTC+2 schreef DD'eDeN aka note/nickname/alas_my_loves:Homo: generalist omnivore.
H.sapiens = omnivore, yes cf. our complex evolution,
H.erectus = molluscivore:
- dental damage caused by "sand & oral processing of marine mollusks" (Towle cs 2022 doi 10.1002/ajpa.24500).
- fossilized amid shellfish & barnacles: Mojokerto.
- made engravings on seashells (Joordens cs 2015 Nature 518:228–231).
- ear exostoses, caused by cold water irrigation.
- pachyosteosclerosis = slow+shallow-diving (de Buffrénil cs 2010 J.Mamm.Evol.17:101–120).
- brain enlargement (dolphins & pinnipeds) = seafood (DHA).
- stone tool use & manual dexterity cf. sea-otters.
- island colonizations far oversea.
Only incredible imbeciles deny erectus was molluscivorous.
Homo: generalist omnivore.
Shellfish mounds = guar kepah
In Malaysia's west coast
(I was there in 1982 while a student at Univ. Malaya)
:-DDD
And you still confuse early-Pleistocene & Holocene???
Why are you confusing them? Homo is and always has been a sheltered ground ape
:-DDD
with slow brachiating ancestors.
Brachiation is per definition fast...
No, little mermaid.Sigh.
Why am Iosing my time with this sheltered ground ape??
"Brachiation = specialized form of arboreal locomotion in which movement is accomplished by swinging from one hold to another by the arms."
Homo: generalist omnivore.
otters, walruses and wading birds."Brachiation = specialized form of arboreal locomotion in which movement is accomplished by swinging from one hold to another by the arms."
Continuous vs ricochet = slow vs fast. Even a mermaid should understand the huge difference. Human ancestors never used fast brachiation but certainly hominoid ancestors used slow brachiation, resulting in broad shoulders, unlike your dolphins, sea
Op woensdag 3 augustus 2022 om 22:18:25 UTC+2 schreef sheltered ground ape:otters, walruses and wading birds.
Homo: generalist omnivore.H.sapiens = omnivore, yes cf. our complex evolution,
H.erectus = molluscivore:
8 *independant* indications:
only incredible imbeciles deny erectus was molluscivorous:
- dental damage caused by "sand & oral processing of marine mollusks" (Towle cs 2022 doi 10.1002/ajpa.24500).
- fossilized amid shellfish & barnacles: Mojokerto.
- made engravings on seashells (Joordens cs 2015 Nature 518:228–231).
- ear exostoses, caused by cold water irrigation.
- pachyosteosclerosis = slow+shallow-diving (de Buffrénil cs 2010 J.Mamm.Evol.17:101–120).
- brain enlargement (dolphins & pinnipeds) = seafood (DHA).
- stone tool use & manual dexterity cf. sea-otters.
- island colonizations far oversea.
...
"Brachiation = specialized form of arboreal locomotion in which movement is accomplished by swinging from one hold to another by the arms."
Continuous vs ricochet = slow vs fast. Even a mermaid should understand the huge difference. Human ancestors never used fast brachiation but certainly hominoid ancestors used slow brachiation, resulting in broad shoulders, unlike your dolphins, sea
My little little boy,Nobody does.
don't you really understand "aquarboreal"??
-aqua=water,
-arbor=tree:
IOW, Mio-Pliocene Hominoidea climbed arms overhead in the trees above the swamp,
but calling this "brachiation" is wrong.
Slow continuous brachiation: hands grasp with thumb grip: hominoid ancestors Fast ricochet brachiation: hands are open hooks with no thumb grip: gibbons No silly detours!
On Thursday 4 August 2022 at 14:12:30 UTC+1, DD'eDeN aka note/nickname/alas_my_loves wrote:
Slow continuous brachiation: hands grasp with thumb grip: hominoid ancestorsYou're creating a false dichotomy.
Fast ricochet brachiation: hands are open hooks with no thumb grip: gibbons No silly detours!
are a whole range of speeds (and potential
speeds) between the extremely fast
ricochet brachiation of gibbons and the
slow one of large male orangutans or
orangutans. Juvenile chimps and gorillas
can brachiate at speed -- if, obviously,
not as well as gibbons. That speed is, no
doubt, often of great assistance to them
when getting away from bullying larger
adults, or predators like leopards.
The reason that large male orangs and
gorillas rarely brachiate (with any pretence
of speed) is that size matters.
Brachiation almost certainly evolved first
as the very fast motion.
niche was fully occupied, there was room
for larger, slower apes lower down in the
canopy.
in operation with the siamang.
Slow continuous brachiation: hands grasp with thumb grip: hominoid ancestors
Fast ricochet brachiation: hands are open hooks with no thumb grip: gibbons >>> No silly detours!
You're creating a false dichotomy.
Nope, as wikipedia states, two types of brachiation exist in hominoids. Of course there is a range between them, just as there is a range between walking and running.
Both walking and slow brachiation preceded high-
speed bipedal/bimanual locomotion.
Later, once that
niche was fully occupied, there was room
for larger, slower apes lower down in the
canopy.
We call this Detour From Logic. If it were true, African apes and Homo
shrunk their arms drastically.
No evidence of such a thing. Instead our arms and hands are more
monkey-like, for grasping, rather than hooking like gibbons.
No one (apart from some dopes)
doubts that we descended from some
kind of chimp (possibly before that
from gibbons). For several million
years our ancestors had hook-type
hands. so I don't get your point here.
On Thursday 4 August 2022 at 15:55:53 UTC+1, DD'eDeN aka note/nickname/alas_my_loves wrote:Wrong.
Slow continuous brachiation: hands grasp with thumb grip: hominoid ancestors
Fast ricochet brachiation: hands are open hooks with no thumb grip: gibbons
No silly detours!
You're creating a false dichotomy.
Nope, as wikipedia states, two types of brachiation exist in hominoids. Of course there is a range between them, just as there is a range between walking and running.It is, of course, a distinction that can
be made. But it misses the point.
I've seen juvenile gorillas and chimpsSlow brachiation is ancestral to hominoids, fast brachiation to hylobatids.
brachiating (in playing -- a kind of
competition). But they largely lose
that capacity when they grow up and
put on adult weight. In the right
circumstances a population could
revert to being fast brachiatiors.
It is, obviously, a general hominoid trait.Both walking and slow brachiation preceded high-At the level of the individual -- ontogeny
speed bipedal/bimanual locomotion.
-- this is true. But it's bad logic to extend
that to phylogeny.
[..]We call this idiocy. Slow brachiators did not have extremely long arms.
Later, once that
niche was fully occupied, there was room
for larger, slower apes lower down in the
canopy.
We call this Detour From Logic. If it were true, African apes and Homo shrunk their arms drastically.
Few things in evolution are more simple
than a change in limb length. Look
around you at modern humans. They
show an extraordinary degree of
variation (the individuals of most species
are close to identical in body shape and
limb length). It is clear that the selective
forces operating on humans, (and on
hominins?) in this respect, have been
very weak.
However, the ape body form is very
different from the monkey -- or the
standard primate or standard terrestrial
mammalian form. A huge change in
morphology requires a huge justification.
'Slow brachiation' does NOT provide one.
No evidence of such a thing.
monkey-like, for grasping, rather than hooking like gibbons.No one (apart from some dopes)
doubts that we descended from some
kind of chimp (possibly before that
from gibbons). For several million
years our ancestors had hook-type
hands. so I don't get your point here.
Delusional too.
It's really not difficult, even I could understand,
it's simple:
- early Hominoidea adapted to wading bipedally + climbing arms overhead in swamp forests,
- H.erectus often dived for shallow-water shellfish (= so-called "aq.ape", but no ape any more, and only semi-aquatic),
- late-Pleistocene H.sapiens waded-walked.
In the right
circumstances a population could
revert to being fast brachiatiors.
Slow brachiation is ancestral to hominoids, fast brachiation to hylobatids.
We call this Detour From Logic. If it were true, African apes and Homo
shrunk their arms drastically.
We call this idiocy. Slow brachiators did not have extremely long arms.
Slow brachiators did not have extremely long arms.
A huge change in
morphology requires a huge justification.
'Slow brachiation' does NOT provide one.
No evidence of such a thing.
Max stupid.
For several million
years our ancestors had hook-type
hands. so I don't get your point here.
Delusional too.
Op woensdag 10 augustus 2022 om 03:01:07 UTC+2 schreef DD'eDeN aka note/nickname/alas_my_loves:
...
Delusional too.
Yes, yes, my boy, you're very delusional.
It's really not difficult, even I could understand,
it's simple:
- early Hominoidea adapted to wading bipedally + climbing arms overhead in swamp forests,
- H.erectus often dived for shallow-water shellfish (= so-called "aq.ape", but no ape any more, and only semi-aquatic),
- late-Pleistocene H.sapiens waded-walked.
Only incredible idiots are so delusional to believe their Pleistocene ancestors ran after antelopes.
On Wednesday 10 August 2022 at 02:01:07 UTC+1, DD'eDeN aka note/nickname/alas_my_loves wrote:
In the right
circumstances a population could
revert to being fast brachiatiors.
Slow brachiation is ancestral to hominoids, fast brachiation to hylobatids.The question is whether hominoids
evolved from hylobatids or vice versa.
One came first, and the other evolved
from it.
Why do you always dodge the question of
what were the enormous benefits to the
first ape populations --
the huge changes in morphology?
We call this Detour From Logic. If it were true, African apes and Homo >>> shrunk their arms drastically.
We call this idiocy. Slow brachiators did not have extremely long arms.You appear to be replying to your own
words.
Slow brachiators did not have extremely long arms.Slow brachiators have long arms but
not 'very long arms' (like gibbons).
don't need them.
A huge change in
morphology requires a huge justification.
'Slow brachiation' does NOT provide one.
No evidence of such a thing.
Max stupid.I get it that you don't like my arguments.
But you should not be so inarticulate.
For several million
years our ancestors had hook-type
hands. so I don't get your point here.
Delusional too.All apes have hook-like hands -- except
for one most peculiar (and highly
derived) taxon. Yet, it seems, you want
to propose that all of them (chimps,
gorillas, orangs, multitudes of fossil
apes, and gibbons) were the odd ones
out; there was one 'good' strain, that
kept its non-hook-like hands all the
way through -- from the monkeys, and
all the other apes split off from it at
various times.
And that's not 'delusional'?
The question is whether hominoids
evolved from hylobatids or vice versa.
Wrong again, hylobatids are hominoids, hominoids descend from slow-brachiating bipedal arboreal apes.
One came first, and the other evolved
from it.
Why do you always dodge the question of
what were the enormous benefits to the
first ape populations --
Your selective amnesia makes you ignorant.
Hanging fruit -> hanging bimanual & upright bipedal arboreal apes had access which monkeys didn't.
How many times have I informed you of this?
All apes have hook-like hands -- except
for one most peculiar (and highly
derived) taxon. Yet, it seems, you want
to propose that all of them (chimps,
gorillas, orangs, multitudes of fossil
apes, and gibbons) were the odd ones
out; there was one 'good' strain, that
kept its non-hook-like hands all the
way through -- from the monkeys, and
all the other apes split off from it at
various times.
And that's not 'delusional'?
PC is so full of bullshit he couldn't dive for a dollar.
it's simple:
- early Hominoidea adapted to wading bipedally + climbing arms overhead in swamp forests,
- H.erectus often dived for shallow-water shellfish (= so-called "aq.ape", but no ape any more, and only semi-aquatic),
- late-Pleistocene H.sapiens waded-walked.
Only incredible idiots are so delusional to believe their Pleistocene ancestors ran after antelopes.
You think pleistocene Homo couldn't run?
The question is whether hominoids
evolved from hylobatids or vice versa.
One came first, and the other evolved
from it.
On Thursday 11 August 2022 at 04:35:52 UTC+1, DD'eDeN aka note/nickname/alas_my_loves wrote:
The question is whether hominoids
evolved from hylobatids or vice versa.
Wrong again, hylobatids are hominoids, hominoids descend from slow-brachiating bipedal arboreal apes.Why not invent yet another taxon, to
fill in an awkward gap in whatever
theory it is that you are promoting at
the moment?
I taught you parsimony.This is known as parsimony.One came first, and the other evolved
from it.
You're dribbling.Why do you always dodge the question of
what were the enormous benefits to the
first ape populations --
Your selective amnesia makes you ignorant.If you had answered in this way before,
I'd have responded as I'm going to now.
I didn't, because you've never provided
this daft answer.
Preceded by fruit bats, which had access to hanging fruit at branch tips difficult for monkeys to get.Hanging fruit -> hanging bimanual & upright bipedal arboreal apes had access which monkeys didn't.Trees produce fruit so it can get eaten.
If there are now some bunches located
better for apes (rather than monkeys)
-- which I doubt -- they only came
into existence AFTER apes began to
consume the fruit. It was (or would
have been) a co-evolution of fruit trees
with apes.
So there were NO bunches of fruit moreFalse.
accessible to apes (as against monkeys)
when apes first evolved.
Even if there were a few, it would still
not justify the enormous changes in
morphology that we see.
between the trivial benefits (as you seeWrong.
them) and the enormous costs could
scarcely be greater.
Pretending again.How many times have I informed you of this?Never.
of Evolution 101.You reject reality.
take the course again next year. This timeEmpty verbiage.
try harder.
Thanks for the compliment.All apes have hook-like hands -- except
for one most peculiar (and highly
derived) taxon. Yet, it seems, you want
to propose that all of them (chimps,
gorillas, orangs, multitudes of fossil
apes, and gibbons) were the odd ones
out; there was one 'good' strain, that
kept its non-hook-like hands all the
way through -- from the monkeys, and
all the other apes split off from it at
various times.
And that's not 'delusional'?
PC is so full of bullshit he couldn't dive for a dollar.Such an articulate, well-reasoned
response!
the Fifth. Any attempt at an answerI can't answer pseudoscience. Where have all the biologists gone?
would land you in trouble.
The question is whether hominoids
evolved from hylobatids or vice versa.
One came first, and the other evolved
from it.
No, no: hylobatids & great apes had a LCA, probably some 20 Ma.
This LCA was no hylobatid, and no great ape.
Comparative anatomy shows it waded bipedally in forest swamps, and climbed arms
overhead in the branches above the swamp.
Questions that remain are: where did it live? in which swamp forests exactly? Most likely IMO, they lived in coastal forests (did mangroves already exist?)
..The question is whether hominoids
evolved from hylobatids or vice versa.
Wrong again, hylobatids are hominoids, hominoids descend from slow-brachiating bipedal arboreal apes.
Why not invent yet another taxon, to
fill in an awkward gap in whatever
theory it is that you are promoting at
the moment?
Hylobatids & Homo share archaic traits subsequently lost in swamp forest great apes, these
are early hominoid primitive traits & morphologies still retained by H & H. No reason for new
taxa designations.
This is known as parsimony.One came first, and the other evolved
from it.
I taught you parsimony.
Trees produce fruit so it can get eaten.
If there are now some bunches located
better for apes (rather than monkeys)
-- which I doubt -- they only came
into existence AFTER apes began to
consume the fruit. It was (or would
have been) a co-evolution of fruit trees
with apes.
Preceded by fruit bats, which had access to hanging fruit at branch tips difficult for monkeys to get.
So there were NO bunches of fruit more.
accessible to apes (as against monkeys)
when apes first evolved.
False.
Even if there were a few, it would still
not justify the enormous changes in
morphology that we see.
Of course it would. Apes supplanted fruit bats & monkeys in getting access to hanging fruit not at branch tips.
The question is whether hominoids
evolved from hylobatids or vice versa.
One came first, and the other evolved from it.
No, no: hylobatids & great apes had a LCA, probably some 20 Ma.
This LCA was no hylobatid, and no great ape.
Why not invent a new, wholly
different, wholly unknown species?
That is NOT parsimonious.
It fits another of your curious habits:
when it's agreed that the phylogeny of a
well-known taxon split you routinely
imagine there was an LCA of an
unknown nature at the splitting point
(but you always shove in some swamp
or watery aspect).
This is in addition to
your other mental habit of assuming
that one branch went east and the
other west -- or north/south.
Evolution does not work like that.
We can see incipient stages in action. Take
seagulls. New populations (that don't
interbreed with normal seagulls) are
now occupying cities, often far from
the coast. They nest on roofs, and feed
on garbage dumps. In time (if humans
don't change their ways) there will be
a new species of City Gulls.
No LCA. No north/south, nor east/west split.
There are two more parsimonious
theories: (a) large apes evolved from
large monkeys (let's say baboon-like)
(b) gibbons evolved from small or
medium sized monkeys.
Comparative anatomy shows it waded bipedally in forest swamps, and climbed arms
overhead in the branches above the swamp.
"Comparative anatomy" involving
an imaginary species is worse than
a waste of time.
Questions that remain are: where did it live? in which swamp forests exactly?
Most likely IMO, they lived in coastal forests (did mangroves already exist?)
Mangrove forests certainly existed,
but they are hostile to mammalian
(and many other) species, especially
primates. They lack fresh water.
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