Sentences with phrase «of the clade pterosauria»

Most of the S. aureus found in monkeys were part of a clade, a group with common ancestors, which appeared to have resulted from a human - to - monkey transmission event that occurred 2,700 years ago.

Pterosaurs, «winged lizards,» often referred to as «pterodactyls» were flying reptiles of the clade Pterosauria.

This evidence indicates that LB1 is not a modern human with an undiagnosed pathology or growth defect; rather, it represents a species descended from a hominin ancestor that branched off before the origin of the clade that includes modern humans, Neandertals, and their last common ancestor.

The tree revealed the first divergence within extant Neoaves, resulting in two fully supported, reciprocally monophyletic sister clades that we named Passerea (after its most speciose group Passeriformes) and Columbea (after its most speciose group Columbiformes)(Fig. 1; see SM6 for rationale of clade names).

«This is the most comprehensive examination of this clade of medically important snakes ever undertaken, including the first examination of the venom of the enigmatic Lake Cronin snake from Western Australia,» he said.

Blue - green signifies the monophyly of a clade, and shades show the level of its BS (0 to 100 %).

Using mutation rates as a molecular clock, the authors determined that the ancestor of clade A jumped from a bovine host to humans between 1894 and 1977 and clade B made the jump between 1938 and 1966.

It further shows that some docodontans had a diet with a substantial herbivorous component, distinctive from the faunivorous diets previously reported in other members of this clade.

For example, clade D Symbiodinium are more abundant in acroporid corals from back - reef lagoons in American Samoa, where the SSTs reach higher maximum temperatures than the fore - reef environments, where Acropora primarily hosts clade C. ref Because they are often found in increased abundance on reefs that are exposed to environmental stressors, the presence of clade D symbionts can be a biological indicator of negative changes in coral health.

In the short term, corals with flexible symbioses may shuffle or switch zooxanthellae; and an increase in the abundance of thermally tolerant zooxanthellae strains (such as those of clade D) is expected with an increasing frequency of bleaching conditions.

Information on abundance of clade D zooxanthellae can help managers understand the susceptibility of specific corals to thermal stress and also to identify changes in coral reef health.

Recombinant gp140 envelope protein from the HIV - 1 clade C / B» strain CN97001 (clone CN54); the envelope protein is of clade C origin, accession number AF286226, terminating at ALDSWKN.

Maximum likelihood estimates for the TMRCA of each clade (x axis with the unit of kya), providing upper boundaries for population split times, were obtained using r8s.

Applying these strictures to modern animals is fairly straightforward, since these two characteristics are restricted only to members of the clade Ruminantia, which is the subgroup of even - toed hoofed mammals that includes the cattle, goats, sheep, antelopes, deer, pronghorn, mouse deer, giraffe (Zivotofsky 2000) and okapi (a clade is a taxonomic group whose members share a common ancestry; in this case it does not have a formal associated Linnaean level, such as family or order).

Ichnological evidence suggests that dinosauromorphs originated by the Early Triassic, and skeletal remains of non-dinosaur representatives of the clade occur from the Anisian to the end of the Triassic.

We also aim to explore the relationship between the species richness of a clade and the developmental properties of the taxa.

These systems have strikingly similar evolutionary dynamics driven by the competition of clades within a population.

These dynamics are the basis for models that predict the evolution of clade frequencies, as well as broad genetic and phenotypic changes.

For example, Bayesian branch - support values as used by Murphy et al. [2] should not be interpreted as probabilities that a tree - topology is correct and are known to overestimate the degree of clade support [14].

It is the largest member of the clade Pinnipedia and the order Carnivora, as well as the largest marine mammal that is not a cetacean.

When we talk about extinction we're referring to a dying off of a clade; consequently, the examples on butterflies and frogs migrations not necessarily are due to climate changes.

Not exact matches

Dinosaurs are a large group of animals in the clade dinosauria.

Named Strychnos electri, after the Greek word for amber (electron), the flowers represent the first - ever fossils of an asterid, which is a clade of flowering plants that not only later gave us coffee, but also sunflowers, peppers, potatoes, mint.

However, what is more likely is that Coutinho will start of the left of the front attacking three with Emre Can filling in the midfield role, ahead of fresh signing Alex Clade - Chamberlain who will be used more as a utility player than anything else in Europe.

Claded in a white «Agbada», Bello was accompanied by a tumultuous crowd to the office of INEC alongside political heavyweights in Kogi APC.

Barrister Solomon Dalong outfit is much more like that of a comrade as he wears a red beret and claded in a «Khaki» like clothing.

In fact, their taxonomic analysis displaces it from its alleged perch on the phylogenetic tree: «The Haarlem specimen is not a member of the Archaeopteryx clade,» says Rauhut, a paleontologist in the Department of Earth and Environmental Sciences at LMU who is also affiliated with the Bavarian State Collections for Paleontology and Geology in Munich.

They found 11 genetically related subgroups (clades) of retrotransposons, but were surprised to find no evidence of interspecies transfer.

The results of this study confirm that the Hesperornithiformes do form a single group (or clade), but that within this group the inter-relationships of the different taxa are more complex than previously thought.

(A) Unrooted phylogenetic tree of EBOV samples; each major clade corresponds to a distinct outbreak (scale bar = nucleotide substitutions per site).

The clade includes some of the most diverse and ecologically important families of flies: tsetse, louse, and bat flies; house flies and relatives; and blow flies, bot flies, flesh flies, and relatives.

Synchrotron scanning reveals amphibious ecomorphology in a new clade of bird - like dinosaurs.

Thus, the morphological similarities that led to their classification into the same clade are not the result of descending from a common ancestor, but reflect adaptations to related environments (convergent evolution).

The inclusion of Decennatherium in the sivathere - samothere clade would extend its timespan back to the early late Miocene and its range as far as the Iberian peninsula, making the clade one of the most successful and long - lived of all the giraffids.

The first unambiguous fossil from the botfly family adds to the few known fossils of a major clade of flies (Calyptratae), shedding light on their rapid radiation during the Cenozoic Era, according to a study published August 23, 2017 in the open - access journal PLOS ONE by Pierfilippo Cerrito from Sapienza Università di Roma, Italy, and colleagues.

«We think based on the morphology that the Sima people were part of the Neanderthal clade,» Arsuaga said, «although not necessarily direct ancestors to the classic Neanderthals.»

The bot fly family (Oestroidea) is the most diverse group of calyptrate flies, which is a clade of some 22,000 living species that comprise about 14 % all flies.

Now, Archaea include at least four major supergroups, the Euryarchaeota and the TACK, Asgard, and DPANN archaea, all of which comprise several different, potentially phylum - rank clades (see the figure).

Speciation had taken place four times as fast in clades where females mated with many males, his team reports in the 12 September Proceedings of the National Academy of Sciences.

This report of secondaries in a larger - bodied, derived, and clearly flightless member of a nonavian theropod clade represented by feathered relatives is a substantial contribution to our knowledge of the evolution of feathers.

Pea aphids can also host another poorly understood kind of bacteria (members of the gamma proteobacteria clade) that they get from their mothers.

Such deposits possess clear taphonomic biases toward small - bodied animals, limiting our knowledge regarding feather presence in larger members of feathered clades.

We identified a determinant of fitness in a foreign dominant (PR - 2B) DENV serotype 2 (DENV - 2) clade, which emerged during the 1994 epidemic in Puerto Rico and replaced an endemic (PR - 1) DENV - 2 clade.

While there are competing theories about where the Alvarezsaurid originated, the authors suggest that the discovery of an Alvarezsaurid at this site in Uzbekistan indicates that this group had an evolutionary history in Asia and provides evidence that this continent could have been where the clade originated.

Since then, studies have shown that clade D symbionts, in particular types D1 and D1a, are prevalent in a wide variety of corals that have survived extreme bleaching events.

This discovery challenges the fundamentals of echinoderm evolution with respect to end - Permian survival and sheds new light on the early evolution of the modern clades, in particular on Triassic ghost lineages of the crown - group look - alikes of the Paleozoic hangovers.

However, there has been much debate over when and how a human - like bipedal gait first emerged in the hominin clade, largely because of disagreements over how to indirectly infer biomechanics from skeletal morphologies.

With this technique, known as sister - clade comparision, evolutionary scientists look at groups of species that have common ancestry and age, known as sister clades, comparing the number of species with a particular behavior to the number without.

A landmark genomic study, with contributors from over two - dozen countries, shows the current problem of antibiotic resistant typhoid is driven by a single clade, family of typhoid bacteria, called H58 that has now spread globally.

The study, «A new clade of putative plankton - feeding sharks from the Upper Cretaceous of Russia and the United States,» is published in the September issue of the Journal of Vertebrate Paleontology.