Not exact matches
Critics
of evolution are fond
of citing Piltdown Man (a
human skull with an ape jaw) or Nebraska Man (the
tooth of a
fossil pig).
ANCIENT MOUTHFUL Researchers who discovered and analyzed a nearly complete set
of 2 - million - year - old
fossil teeth from a lower jaw suspect that the East African find comes from an early member
of the
human genus, Homo habilis.
Monash University - led research has shown that the evolution
of human teeth is much simpler than previously thought, and that we can predict the sizes
of teeth missing from
human fossils and those
of our extinct close relatives (hominins).
Dr Evans led an international team
of anthropologists and developmental biologists from Finland, USA, UK and Germany, using a new extensive database on
fossil hominins and modern
humans collected over several decades, as well as high resolution 3D imaging to see inside the
fossil teeth.
A new study published in the journal Nature, led by evolutionary biologist Dr Alistair Evans from Monash University, took a fresh look at the
teeth of humans and
fossil hominins.
Dating relied on measures
of the decay
of a radioactive form
of uranium in the
human fossil and a nearby hippo
tooth.
Two 9.7 - million - year - old
fossil teeth from Germany probably did not come from a previously unknown European root
of the
human lineage, as heralded in headlines over the last few days.
The new
tooth also contains DNA unlike that
of Neandertals or modern
humans, suggesting that Denisovans interbred with an even more mysterious branch
of the
human family tree — one that is either unknown to science, or known only from
fossils without preserved DNA.
Ever since spelunkers found a robust jawbone in a cave in Romania in 2002, some paleoanthropologists have thought that its huge wisdom
teeth and other features resembled those
of Neandertals even though the
fossil was a modern
human.
«Unfortunately, there are very few
fossil finds
of Gigantopithecus — only a few large
teeth and bones from the lower mandible are known,» explains Prof. Dr. Hervé Bocherens
of the Senckenberg Center for
Human Evolution and Palaeoenvironment (HEP) at the University
of Tübingen, and he continues, «But now, we were able to shed a little light on the obscure history
of this primate.»
Team analysis
of these 8 - million - year - old Chororapithecus
teeth fossils provided insights into the
human - gorilla evolutionary split.
Ironically, this high - resolution genome means that the Denisovans, who are represented in the
fossil record by only one tiny finger bone and two
teeth, are much better known genetically than any other ancient
human — including Neandertals,
of which there are hundreds
of specimens.
I am available to provide topical comment or in - depth discussion
of topics related to
human and primate evolution, the African
human fossil record, the function
of the
human skeleton, and the evolution
of teeth.
Their findings showed the
teeth are fused in a way that is characteristic
of early
humans, including Ardipithecus and Australopithecus, the latter
of which the famous Lucy
fossil belongs to.
Another
fossil which Lubenow considers
human is ER 1590, consisting
of cranial fragments and
teeth of a child
of about 6 years.
Because the face and
teeth resembled those
of later
human ancestors, the scientists said that the
fossils were those
of a
human - like, or hominid, species — even though the skull could hold only a chimp - sized brain.
Based on the age
of well - preserved
fossil teeth found in the newly excavated Fuyan Cave in Daoxian (southern China), modern
humans were in southern China 30,000 — 70,000 years earlier than in the Levant and Europe.