Sentences with phrase «early specimens of»

The breed derives its name from the Mexican State of Chihuahua, where the earliest specimens of the breed were found.

Not exact matches

The vast, perfect muscularity of his earlier «Promethean» period continued to appear in his works, even though, as in The Last Judgment, these perfect human specimens were often shown grappling with despair, or, if redeemed, grasping a salvation that came from above.

LETTER STONE Inscriptions in stone slabs from Egypt, including this specimen dating to almost 3,500 years ago, contain the world's oldest alphabet, which one researcher now argues was an early form of Hebrew.

However, with the discovery of the Lilstock specimen, this new study refutes previous identifications and also the most recent assertion that the Aust bones represent an early experiment of dinosaur - like gigantism in terrestrial reptiles.

The findings are from the largest study of hominin body sizes, involving 311 specimens dating from earliest upright species of 4.4 m years ago right through to the modern humans that followed the last ice age.

It can be difficult to find material that is reliably documented from pre-Dynastic Egypt, but textile expert Jana Jones of Australia's Macquarie University managed to identify the perfect specimen at the Bolton Museum, north of Manchester, England: fragmentary funerary wrappings more than 6,000 years old, collected in the early 20th century from a region of Upper Egypt.

In subsequent research, Ostrom went a big step further: He compared his famous find with specimens of the earliest - known bird, Archaeopteryx, and made the link Huxley had stopped short of a century earlier: Birds evolved from dinosaurs.

The evidence we found at this site indicates that some hominin species was living in North America 115,000 years earlier than previously thought,» said Judy Gradwohl, president and CEO of the San Diego Natural History Museum, whose paleontology team discovered the fossils, managed the excavation, and incorporated the specimens into the Museum's research collection.

Complete specimen of Chengjiangocaris kunmingensis from the early Cambrian Xiaoshiba biota of South China.

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.

The specimen demonstrates the unique contribution of the fossil record towards understanding the early evolution of animals during the Cambrian period.

Several paleontologists took issue with his team's reconstruction of the dinosaur, which combined the new partial skeleton with earlier fragmentary finds of specimens that differed in size, as well as data from Stromer's surviving notes.

In this inherited malady, the brain is typically just 400 cc — roughly the same size as that of the early hominid Australopithecus africanus, of which «Lucy» is the best - known specimen.

Various specimens of Africa's earliest coelacanth have been found in a 360 million year - old fossil estuary near Grahamstown, in South Africa's Eastern Cape.

«Africa's earliest known coelacanth found in Eastern Cape: More than 30 complete specimens of the new fossil species, Serenichthys kowiensis, were collected.»

Unfortunately, fossil specimens that could help to trace earlier phases of cichlid evolution are quite rare, and most are poorly preserved and / or fragmentary.

The researchers took samples from museum specimens of amphibians and discovered the earliest record of the fungus came from an Itombwe River frog collected in 1950 in the Democratic Republic of Congo.

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.

Lead author Johan den Boon, associate scientist with the Morgridge Institute for Research at the University of Wisconsin - Madison, says the research team used gene expression profiling on 128 specimens from the Study to Understand Cervical Cancer Early Endpoints and Determinants, or SUCCEED.

This specimen provides the first evidence that early sharks evolved a complex, predatory jaw - and - tooth structure like that of their modern descendants.

In the early 1990s a group of Cuban researchers on a diving expedition collected some specimens to analyse their toxins.

Although the fossil record for the first members of the Homo genus is poor, the earliest definitive H. habilis specimen is about 2.4 million years old.

Until now, no one looked for directionality of striations in the earliest specimens representing our evolutionary lineage.

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.

Now the first fossilised specimens of a carnivorous plant are helping scientists probe the organism's early evolution and their Eocene habitat.

Some 40 years after the discovery of an unusual early Homo skull, new specimens help decide to whom it belonged

«These specimens should have been compared to early Holocene skeletons from China,» because they look much the same, contends paleoanthropologist Peter Brown, from the University of New England in Australia.

«Any specimens from these earlier time horizons are interesting,» says paleontologist Paul Sereno of the University of Chicago, who discovered the Argentinean dinosaurs.

Good specimens of fossil birds are thin on the ground, especially early ones.

Adovasio and Dillehay plan to go back to Peru within a year to further examine some of the, as yet, still unstudied basket specimens, especially the very earliest ones which are among the oldest in the New World.

This work resulted in thousands of genetic markers for snake specimens collected as far back as the early 1900s.

But the past decade or two of research, which is marked by the discovery of thousands of specimens of early birds and flying dinosaurs, also shows that feathers were an early evolutionary innovation — even if they probably arose for reasons unrelated to powered flight, such as insulation or sexual display.

Although they had found some excellent specimens of the earliest birds, such as Germany's famed 150 - million - year - old Archaeopteryx, as well as stunning later fossils from northeastern China, a 20 - million - year gap remained between Archaeopteryx and other fossils, most of which were opposite birds, Chiappe says.

Drought conditions this summer and last generated even more calls as the dry river and creek beds exposed a treasure chest of specimens dislodged during earlier floods.

Until recently, one of this specimen's presumed descendants, 4.4 - million - year - old Ardipithecus ramidus, held the title of earliest known human ancestor.

The researchers compared the wings of the earliest known bat fossil, a 50 - million - year - old specimen housed at the American Museum of Natural History in New York City, with those of three other species of extinct bats and 10 species of modern bats.

Tel Aviv University researchers, in collaboration with scholars from Spain and Germany, have uncovered evidence of turtle specimens at the 400,000 - year - old site, indicating that early man enjoyed eating turtles in addition to large game and vegetal material.

A reassessment of the archaeological context of the specimen is consistent with the morphological evidence and suggest that early hominins were occupying this region by at least 2 Ma.

The moustache was a controversial facial adornment in the early days of Scientific American, but the magazine contained some spectacular specimens nonetheless

However, to date, the majority of published data on molar enamel thickness of Pliocene and early Pleistocene hominins derive from naturally fractured random surfaces of a small number of specimens.

Earlier finds from Liaoning had hinted at the presence of featherlike structures on several dinosaur specimens, but critics charged that the structures were instead fibers of the protein collagen or that the fossils represented not dinosaurs but flightless birds.

The arthropod's central nervous system, including the brain, was relatively well - preserved, and the specimen went down as the earliest known example of a fossilised brain.

It involves isolation and propagation of adult epithelial stem cells, prepared from tissue specimens at different early stages of chronic and atrophic gastritis, as well as from the late, premalignant (irreversible) stage of metaplasia.

«KNM - ER 1470, like other early Homo specimens, shows many morphological characteristics in common with gracile australopithecines that are not shared with later specimens of the genus Homo» (Cronin et al. 1981)

By the age of 13, she and her brother had found the first Ichthyosaurus specimen, a marine reptile from the Early Jurassic Period.

The specimen probably represents a member of the earliest species of the genus Homo, H. habilis (or H. modjokertensis), also known in Africa from Olduvai, Omo, Sterkfontein and Swartkrans.

Here, we provide multiple independent molecular analyses of both microbodies and the associated matrix recovered from feathers of a new specimen of the basal bird Eoconfuciusornis from the Early Cretaceous Jehol Biota of China.

One earlier specimen, for example, was found with the preserved remains of a lizard in its stomach.

Coarse grain searches are used initially to perform an early selection and finally high resolution techniques are used to identify the actual specimen of interest and to address aspects related to scientific issues.

Since 1973, the fieldwork at Hadar has produced more than 370 fossil specimens of Australopithecus afarensis between 3.4 and 3.0 million years ago — one of the largest collections of a single fossil hominin species in Africa — as well as one of the earliest known fossils of Homo and abundant Oldowan stone tools (ca. 2.3 million).