Chris Beard Fires Back on Ida
Apparently the backlash against the media storm that came in with Ida has begun. Chris Beard wrote in the New Scientist this week utterly dismissing Ida as anything but an adapoid. With a diagram.
Where Beard sees Darwinius
http://www.newscientist.com/article/dn17173-why-ida-fossil-is-not-the-missing-link.html
The main thrust:
What does Ida’s anatomy tell us about her place on the family tree of humans and other primates? The fact that she retains primitive features that commonly occurred among all early primates, such as simple incisors rather than a full-fledged toothcomb, indicates that Ida belongs somewhere closer to the base of the tree than living lemurs do.
But this does not necessarily make Ida a close relative of anthropoids – the group of primates that includes monkeys, apes – and humans. In order to establish that connection, Ida would have to have anthropoid-like features that evolved after anthropoids split away from lemurs and other early primates. Here, alas, Ida fails miserably.
There’s still a deeper issue here that has yet to be fully addressed by the media. New Scientist’s editorial wrote:
[T]here was little chance to seek disinterested comment on the researchers’ claim. By the time doubts about Ida’s role in our past emerged, the circus had moved on.
A good point, except that it’s hard to find a disinterested opinion in this field. Eocene primate paleontology is deeply political. There are just a handful of researchersand almost every one one of them has a well-staked out position in one of a few camps on every issue that no single fossil, even a beautiful on like Ida, is likely to change. Chris Beard thinks anthropoids are ancient and from Asia, with his Eosimias on the lineage. Phillip Gingrich thinks anthropoids descended from cercomoniine adapoids. Szlazy thinks they came from omomyoids; Matt Cartmill thinks they came from tarsiers. Ewlyn Simons and Tab Rasmussen will tend to take whatever position boosts the importance of the Fayum. Everyone is going to respond to Ida on those terms. So, what we’re likely to see in media is as much people scrambling to restate their old positions as new, truly skeptical analyses of Darwinius.
Oh, and, I think this blog scooped New Scientist on the first skeptical reaction to Ida. Yep, that’s right. I expect status as a science media juggarnought to be forthcoming.
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16th International Congress of the International Union of Anthropological and Ethnological Sciences (IUAES)
THE PROCESS OF HOMINIZATION
By Drs Aris and Daphne N. Poulianos
Kunming, China 31-7-09
The title of this paper may sound a little deterministic, but I am convinced we human beings went through a longer period of hominization, than usual historians, including marxists, allow to conclude today.
We definitely come from apes, but not African ones. Once upon a time lived in Europe over fifty species of monkeys. But an ape, which I named Helladopithecus semierectus, lived on trees, seventeen million years ago (ANTHROPOS, V3, N01, Jan. 1976, pp3 – 30, Athens).
The well known Pikermi fauna of the Miocene period is found from Hungary through Balkans to Iran: (Wagner, A1840: Fossile Uberreste Von einem Affen und anderensau getierren aus Griechenland. Abh. Bayer. Akad. Wiss, 3, Munchen). Among other finds, a very important of that period was Mesopithecus pentelici, whose range also extended over a large territory, beyond Greece, and which is known to be a terrestrial monkey. It’s wide extension over a large territory, presupposes, that some anthropomorphic monkeys could ’’descend from trees’’ (Roghinski, J.J. & M.G. Levin, 1963: Anthropologhia, Moskva, str. 184 – 185), and begun to walk. Consequently among those “descenders” could be some andecedent forms of man.
Another lower jaw from Attica found by a german officer during the years of occupation (1942) and described by G.Von Koenigswald, (1972: Einunterkiefez eines fossilen Hominoiden aus dem unterpliozan Griechenlands. Konikl. Nederl. Akademie Van Wetenschappen. Series B, 75, No 5, str. 385 – 394, Amsterdam), seems to be an advanced form which does not belong to Dryopithecinae, and which might also represent the beginning of African Primates. Koenigswald gave him a not very successful name “graecopithecus”. Its age is about 9 million years old. The lower jaw of another specimen found by the French expedition in 1972 near Thessaloniki, was named Dryopethicus macedoniensis. But it is also of a more advanced type than the Dryopithecinae, and according to Koenigswald is more closely affiliated with the hominids. Its age is Upper Miocene (Vallesian).
Finally, the find described in this paper (Helladopithecus), is the upper part of a left femur found by our expedition in 1974 near Tharounia, a village in the island of Euboea. The age established lately, is Lower Miocene, about 17 million years old, confirmed by its stratigraphy, as well, and kept now in the Anthropological Museum of the Archanthropus man at Petralona, Chalkidiki.
It is fully described and decided to be a semierectus monkey, as these authors call the whole complex of similar finds from Attica and Makedonia too.
The new bone find is 98 mm. long (given the signal name ‘’A.E. – 1’’, seems to belong to a rather young individual, and its whole length (proportionally counted) cannot be more than 350 mm. That is the standing height should be about 140-150cm. Its weight, according to Debetz index (ICVS), approximately should be about 40-42 klgms. The stoutness index then is about 22, 85 (the same index for Orang, Chimpanzee and Gorilla, being 32-33, while for man is 18-21.
But among all these indirect methods of identifying a find, the best would be to measure exactly the Torsion angle, in order to establish the percentage of its erect position. Thus a new method was developed to measure the torsion angle in a broken femur bone. This method is based on the assumption that the torsion angle (Θ) of a bone is directly proportional to the angle of its cylindrical surface (α). (See designs 2 and 3). The axis of a bone is the line passing through all gravity centers of all its side section (AB). The edge of the cylindrical surface of a bone is the line uniting all corresponding corners of the cross – section (ΓΔ). That is: θ=Κ.α, where Κ – proportionality coefficient.
And this assumption is based on
a)the geometrical similarity of corresponding bones of different animals.
b)The physico-chemical similarity of bones, and
c)On the approximately constant ratio between animal weight and cross-sectional area, that is the stress of bone loading is almost constant (the animal weight per unit of cross-sectional bone area).
In order to find Κ we take a similar unbroken contemporary bone, and measure its angles θ and α:
Κ= θ. Unbroken / α. unbroken
Then we measure the angle α of the broken bone and find angle
θ.broken = K.a unbroken = θ. Unbroken . α. broken / α. unbroken
Angle α is the average of angles β & γ.
The angles β & γ can be found by photographing the bone and measuring these angles on the picture. In order to make edge ΓΔ clearly distinguishable we illuminate the bone from the side. Then ΓΔ becomes the border line of two differently illuminated surfaces. In our case we took 17 differently oriented pictures of both bones, broken and unbroken (see pictures in the text and table 1).
The result of these procedures showed that θ (torsion) broken = 18ο , which means that this monkey was about 65% erect during his lifetime. That means he was pretty much erect, certainly more erect than most today’s African primates. Thus, it is concluded, Helladopithecus could be the forerunner of Homo.
Finally, we raise to the rank of a separate family the whole complex of Helladopithecus finds from Greece, classifying it right after the Hominid family. As a result of the above process we have the first standing man on earth, Homo erectus trilliensis, spreading all over the world from this region of the Aegean, of the SE of Europe 13 million years ago.
The over one hundred years long discussion among anthropologists (‘’polyphyletic versus monophyletic origins’’) sounds is ending. Monophyletic origin of man (from Helladopithecus to Homo erectus trilliensis) to our opinion is more or less confirmed who spread from Atlantic to Pacific and then all over the rest of the world. It seems every biological species on earth develops from one center, and then it spreads all over.
In the mean time excavations are going on: A new find, a part of the skeleton of a young girl of 14 years old was found. The find was named Homo erectus trilliensis Daphnae, after the name of the lady present in this hall Mrs Daphnae A.Poulianos.
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