The history
of early human fossil finds is a long and messy one, and as the new Homo naledi find shows, it remains a work in progress.
Not exact matches
After CT scans in 2011, the
fossils pushed estimates
of the
earliest human habitation on the West Coast back by 800 years (to about 13,800 years before present day).
Again and again, Wright asserts that there is no
fossil evidence
of intermediate forms between
earlier primates and
human beings; and, again and again, Dawkins attempts to disabuse her
of this vacuous «mantra» (as he calls it) by pointing out that there certainly is such evidence and by directing her to it, but all to no avail.
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.
Regardless
of the age, Berger said
earlier this year, before publishing the H. naledi discovery, the
fossils will force paleoanthropology to rethink long - held theories about
human evolution.
Bone tumors are exceptionally rare finds in the evolutionary
fossil and archaeological records
of human prehistory, with the
earliest known instances, before now, dating to 1,000 to 4,000 years ago.
Sellers says these might be detectable in
fossils of early humans, making it possible to discover when we became runners.
While
fossil records prove that some anatomically modern
human groups reached the Levantine corridor (the modern Middle East) as
early as 100,000 years ago, genetic testing indicates that
human populations inhabiting the globe today descended from a single group that migrated from Africa only 70,000 years ago — an unexplained gap
of 30,000 years.
The remains, alongside a digital reconstruction
of a damaged
fossil from a key
early -
human species, point to an evolutionary explosion at the dawn
of our genus, Homo.
That's the story
of paleoanthropology, at least according to Ann Gibbons's book The First
Human: The Race to Discover Our Earliest Ancestors (Doubleday, $ 26), a deliciously soap - operatic account of efforts to trace human ancestry through the study of fos
Human: The Race to Discover Our
Earliest Ancestors (Doubleday, $ 26), a deliciously soap - operatic account
of efforts to trace
human ancestry through the study of fos
human ancestry through the study
of fossils.
But the
fossils from the Cerutti Mastodon site (as the site was named in recognition
of field paleontologist Richard Cerutti who discovered the site and led the excavation), were found embedded in fine - grained sediments that had been deposited much
earlier, during a period long before
humans were thought to have arrived on the continent.
Homo erectus — an
early ancestor
of modern
humans — resembled a squat body builder more than a svelte distance runner, a newly unearthed
fossil pelvis suggests.
The first Neandertal
fossils were discovered in 1829 in Engis, Belgium, and in 1848 at Forbes» Quarry, Gibraltar, but were not recognized as an
early human species until after the 1856 discovery
of «Neandertal 1» — a 40,000 - year - old specimen, including a skullcap and various bones, found at the Kleine Feldhofer Grotte in the Neander Valley near Düsseldorf, Germany.
But the tantalizing discoveries
of 100,000 - year - old stone tools found in the mountains
of Oman and decidedly
human fossils in the Israeli Levant dating to 177,000 to 194,000 years ago forced anthropologists to consider the possibility
of earlier migrations.
Intermixing does not surprise paleoanthropologists who have long argued on the basis
of fossils that archaic
humans, such as the Neandertals in Eurasia and Homo erectus in East Asia, mated with
early moderns and can be counted among our ancestors — the so - called multiregional evolution theory
of modern
human origins.
Flo is «one
of the most complete
fossils found anywhere until you get to true burials, like in Neanderthals and
early modern
humans,» says Jungers, who has been closely involved in Homo floresiensis research.
Gingerich proposed that this
fossil may be the
earliest anthropoid — or the common ancestor
of all later monkeys, apes, and
humans.
«Think
of early human ancestors, where we have only scattered
fossil fragments, and the problem
of relying on morphology is obvious.»
More recent
fossil discoveries in the same region, including the iconic 3.7 million year old Laetoli footprints from Tanzania which show
human - like feet and upright locomotion, have cemented the idea that hominins (
early members
of the
human lineage) not only originated in Africa but remained isolated there for several million years before dispersing to Europe and Asia.
Fossils unearthed in Ethiopia offer a glimpse
of the time when
humans and chimps were first going their separate evolutionary ways — and may represent the
earliest known
human ancestor.
In addition to being the oldest known example
of an
early primate skeleton, the new
fossil is crucial in elucidating a pivotal event in primate and
human evolution — the evolutionary divergence that led to modern monkeys, apes and
humans (collectively known as anthropoids) on one branch, and to living tarsiers on the other.
«Ice age bison
fossils shed light on
early human migrations in North America: Study dates the first movements
of bison through an ice - free corridor that opened between the ice sheets after the last glacial maximum.»
A perfectly preserved amber
fossil from Myanmar has been found that provides evidence
of the
earliest grass specimen ever discovered — about 100 million years old — and even then it was topped by a fungus similar to ergot, which for eons has been intertwined with animals and
humans.
«Scientists discover oldest known modern
human fossil outside
of Africa: Analysis
of fossil suggests Homo sapiens left Africa at least 50,000 years
earlier than previously thought.»
The body dimensions used in the model — 30 kg for females, 55 kg for males — were based on a group
of early human ancestors, or hominins, such as Australopithicus afarensis, the species that includes the famous Ethiopian
fossil «Lucy.»
A large international research team, led by Israel Hershkovitz from Tel Aviv University and including Rolf Quam from Binghamton University, State University
of New York, has discovered the
earliest modern
human fossil ever found outside
of Africa.
The displays will include replicas
of 76
fossil skulls representing the
human family tree as well as life - size reconstructions
of faces
of early human species.
Analysis
of a wealth
of new data contradicts an
earlier claim that LB1, an ~ 80,000 year old
fossil skeleton from the Indonesian island
of Flores, had Down syndrome, and further confirms its status as a
fossil human species, Homo floresiensis.
The new data, based on the analysis
of fossils and specimens from 80
fossil beds and locations spanning 300 million years, imply an
early start to the
human - dominated era.
Fossil hunters continually scour northern Europe for convincing proof
of early human habitation.
A tiny
fossil from China could be the
earliest of all deuterostomes, creatures that eventually led to evolution
of all vertebrates, including
humans
«The precision with which these
early humans worked indicates great dexterity and detailed knowledge
of mollusc anatomy,» says Frank Wesselingh, a researcher and expert on
fossil shells at Naturalis.
Previous research at the Afar rift unearthed
fossils of some
of the
earliest known hominins — that is,
humans and related species dating back to the split from the ape lineages.
Some
of those
fossils have been passed down from very
early human ancestors.
These Ardipithecus
fossils were the
earliest ancestor
of humans after they diverged from the main ape lineage
of the primate family tree, neither ape - like nor chimp - like, yet not
human either.
Based on this new
fossil evidence and analysis, the team suggests that the
human branch
of the tree (shared with chimpanzees) split away from gorillas about 10 million years ago — at least 2 million years
earlier than previously claimed.
Other archeological and
fossil evidence, Cooke says, suggests the
earliest human populations in Jamaica were foragers who lived off
of available local resources, together with some cultivation
of native island and mainland plants.
To check out the hypothesis that
humans were the sole authors
of the bison's
early decline, Alan Cooper and Beth Shapiro
of Oxford University in the U.K. and colleagues obtained ancient DNA from 442 bison
fossils found in North America, Siberia, and China.
A
fossil that was celebrated last year as a possible «missing link» between
humans and
early primates is actually a forebearer
of modern - day lemurs and lorises, according to two papers by scientists at The University
of Texas at Austin, Duke University and the University
of Chicago.
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.
Williams, Kay and Kirk also collaborated on a related article about to be published in the Proceedings
of the National Academy
of Sciences that reviews the
early fossil record and anatomical features
of anthropoids — the primate group that includes monkeys, apes, and
humans.
New
fossil evidence suggests that
humans adapted to living in tropical rainforests thousands
of years
earlier than previously thought, according to a recent study.
In terms
of features from the late archaic /
early modern
humans found throughout the Old World, the researchers observed the
fossils as having a large size that fitted a large brain, and cranial vaults that were lightly built and had modest brow ridges.
The
fossils, which was labeled «archaic Homo,» share combined features
of Neanderthals,
earlier eastern Eurasian
humans and modern
humans.
They report the discovery
of a second chamber within Rising Star with abundant H. naledi
fossils, including one
of the most complete skeletons
of an
early human ever found, as well as the remains
of at least one child and another adult.
By examining
fossils of early hominins, researchers have found that
humans and chimpanzees may have split from their last common ancestor
earlier than previously thought, and this important event may have happened in the ancient savannahs
of Europe, not Africa.
By examining
fossils of early homini ns, researchers have found that
humans and chimpanzees may have split
earlier than previously thought, and this may have happened in Europe, not Africa.
As he wrote in his published commentary, «While many have concentrated on East Africa as the key and perhaps sole region for the origins
of the genus Homo, the continuing surprises emerging from further south remind us that Africa is a huge continent that even now is largely unexplored for its
early human fossils.»
A tiny sea creature identified from
fossils found in China may be the
earliest known step on an evolutionary path that eventually led to the emergence
of humans
The
Human Fossils Record: Craniodental Morphology
of Early Hominids (Genera Australopithecus, Paranthropus, Orrorin) and Overview.