[language] [Fwd: [evol-psych] Fossil Find May Redefine Evolution]

[H. Mark Hubey]

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-------- Original Message --------
     Subject: [evol-psych] Fossil Find May Redefine Evolution
        Date: Wed, 21 Mar 2001 22:52:22 -0000
        From: "Ian Pitchford" <ian.pitchford at scientist.com>
    Reply-To: "Ian Pitchford" <Ian.Pitchford at scientist.com>
Organization: http://www.human-nature.com/darwin/index.html
          To: <evolutionary-psychology at yahoogroups.com>

Wednesday March 21 4:44 PM ET
Fossil Find May Redefine Evolution

By WILLIAM McCALL, Associated Press Writer

Scientists have discovered a 3.5 million-year-old skull in Kenya that
might
force them to rewrite the anthropology textbooks and drop the fossil
nicknamed
``Lucy'' from the line of human ancestors.

The skull was identified by Meave Leakey, a member of the famed
fossil-hunting
Leakey family. She said it is about the same age as Lucy but appears to
be a
completely different and previously unknown species, with a more
human-like
face.

Researchers named the species Kenyanthropus platyops, or ``flat-faced
man of
Kenya.''

Full text:
http://dailynews.yahoo.com/h/ap/20010321/sc/ancient_skull_3.html

_____

Video: Meave Leakey discusses new find
http://news.nationalgeographic.com/news/2001/03/av/leakey.ram

New Face Added to Humankind's Family Tree - National
Geographic Flat-faced man is puzzle - BBC (Mar 21, 2001) New Human
Relative Shakes Tree - Discovery Online (Mar 21, 2001) Scientists
Discover Second Genus of Early Human - Reuters (Mar 21, 2001) Skull
discovery raises doubts about Lucy - The Age (Mar 21, 2001)  Nature 410,
433 - 440 (2001) © Macmillan Publishers Ltd.

New hominin genus from eastern Africa shows diverse middle Pliocene
lineages

MEAVE G. LEAKEY*, FRED SPOOR†, FRANK H. BROWN‡, PATRICK N. GATHOGO‡,
CHRISTOPHER KIARIE*, LOUISE N. LEAKEY* & IAN MCDOUGALL§

* Division of Palaeontology, National Museums of Kenya, P.O. Box 40658,
Nairobi, Kenya
† Department of Anatomy & Developmental Biology, University College
London,
WC1E 6JJ, UK
‡ Department of Geology & Geophysics, University of Utah, Salt Lake
City, Utah
84112, USA
§ Research School of Earth Sciences, The Australian National University,

Canberra ACT 0200, Australia

Correspondence and requests for materials should be addressed to M.G.L.
(e-mail: meave at swiftkenya.com).

Most interpretations of early hominin phylogeny recognize a single early
to
middle Pliocene ancestral lineage, best represented by Australopithecus
afarensis, which gave rise to a radiation of taxa in the late Pliocene.
Here we
report on new fossils discovered west of Lake Turkana, Kenya, which
differ
markedly from those of contemporary A. afarensis, indicating that
hominin
taxonomic diversity extended back, well into the middle Pliocene. A 3.5
Myr-old
cranium, showing a unique combination of derived facial and primitive
neurocranial features, is assigned to a new genus of hominin. These
findings
point to an early diet-driven adaptive radiation, provide new insight on
the
association of hominin craniodental features, and have implications for
our
understanding of Plio–Pleistocene hominin phylogeny.

Full text:
http://www.nature.com/cgi-taf/DynaPage.taf?file=/nature/journal/v410/n6827/full/410433a0_fs.html

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