How To Use Phylogenetic In A Sentence

Phylogenetic relationships of the five extant rhinoceros species (Rhinocerotidae, Perissodactyla) based on mitochondrial cytochrome b and 12S rRNA genes. Archive 2006-09-01
The status of many Eurasian species of Late Devonian cyrtospiriferid brachiopods require careful restudy to properly assess their generic status and assignment to morphologic/phylogenetic groups of Cyrtospirifer outlined below.
As an initial matter, the echinoderms and chordate phyla have been arranged in almost every possible phylogenetic order.
Gene trees in which the observed substitutions were apportioned to the various branches of the tree by phylogenetic algorithms provided the inferred substitutions on each green or nongreen branch.
Phylogenetic analysis of the “true” aquatic elapid snakes Hydrophiinae (sensu Smith et al., 1977) indicates two independent radiations into water. Archive 2006-07-01

Furthermore, a priori assumptions in phylogenetic analyses, such as long-branch attraction can bias phylogenetic tree analysis. A critique on the endosymbiotic theory for the origin of mitochondria
As taxonomic study proceeds on the assumption that evolution has taken place, it is much involved with phylogenetics, which deals with the description of evolutionary relationships.
Comparison of their photoreceptive cells with those of the chordates corroborated such a phylogenetic position.
There he got his first taste of applying the tools of molecular biology to systematics and phylogenetic research.
This phylogenetic hypothesis had been held valid until it was recently reinvestigated.
Cowpea rhizobia, peanut rhizobia and mungbean rhizobia all belong to "Vigna" rhizobia phylogenetically. However the phylogeny of these rhizobia was poorly understood.
Microsatellites are an important source of information about the phylogenetic relationships among human populations.
There are a variety of phylogenetic biogeographic methods.
With accumulation of more fossil material, it may also be possible to assign other skeletal elements to the tarsometatarsi, which may provide additional clues on the phylogenetic position of these fossil songbirds.
These channels play an important physiological role in living cells of diverse phylogenetic origin.
Phylogenetics, the science of phylogeny, is one part of the larger field of systematics, which also includes taxonomy.
The German zoologist, Ernst Haeckel, suggested, in this theory, the idea that ontogeny recapitulates phylogeny means that as over the short time span of nine months, a fetus, in the womb, goes through ontogenetic phases of development, it recapitulates the stages of development we see as we go up the evolutional scale -- phylogenetically, that took billions of years to develop. Printing: A Book Review; The Terror Dream: Fear and Fantasy in Post-9/11 America by Susan Faludi
In particular, there is a significant phylogenetic gap in information for the urochordates, a subphylum near the invertebrate-vertebrate transition.
These results point to potential problems that may be encountered in this type of phylogenetic analysis due to substitution rate variability between different gene segments leading to incongruent phylogenies.
Whether Euchoreutes is actually a member of either of the two dipodid clades that have been recognised in phylogenetic studies of this group - Dipodinae and Allactaginae (Shenbrot 1992) - remains uncertain. Archive 2006-03-01
We determined the phylogenetic position of this strain within the genus Wolbachia to ascertain its nearest relatives.
We designed datasets (real and synthetic) covering different degrees of coregulation and orthologous information to test how well Phylogibbs and Phylogenetic sampler, as representatives of the motif detection algorithms with evolutionary model performed as compared to MEME, a more classical motif detection algorithm that treats orthologs independently. PLoS ONE Alerts: New Articles
She is "an evolutionary biologist who integrates molecular phylogenetics with advanced computational biostatistics to reconstruct the influences on population dynamics in a wide variety of organisms. 2009 MacArthur Fellows: Lin He and Beth Shapiro
Interpreting the extreme similarity in anteaters and pangolins remains problematic due to lingering disagreement among phylogenetic hypotheses.
Arguments that behavioral data are fundamentally no different from other kinds of anatomical or molecular data used for systematics should also impact cetacean phylogenetics.
Even comprehensive analyses have not clarified phylogenetic relationships among aardvarks, tenrecs, golden moles, and elephant shrews.
Does Uncommon Descent not result in discernable phylogenetic trees? Building Trees Sequentially
These ingroup species were chosen to represent each of the proposed subgenera and genera from previous phylogenetic studies.
Phylogenetic adaptation represents the production of superior replicator genes, whose phenotypes manifest in any or all of a variety of abilities.
These private haplotypes are phylogenetically related but geographically unrelated.
Alternative phylogenetic trees were compared excluding the ophiuroid data set.
Conversely, if the fossil record does not accurately portray the first appearances of synapsids because preservation rates vary widely, then phylogenetic measures might yield a more reliable sequence of branching events.
The phylogenetic position of nemerteans remains controversial.
They represent the segmental architecture of our phylogenetic ancestors.
Ecophylogenetics is a field of study that uses information about the evolutionary relationships among species (phylogenetics) to test hypotheses about how ecological communities are assembled and about the potential outcomes of species interactions. Ecophylogenetics
To provide a nomenclatural context for the discussion that follows, the phylogenetic definition, hypothesized ancestry, and implied content of Sauropoda are briefly discussed below.
The phylogenetic tree shows the genealogical relationships among nine eukaryotes.
In view of all this intraspecific variability, Shine & Shetty (2001a) noted how Yellow-lipped sea kraits might ‘offer exceptional opportunities to study phylogenetic shift in locomotor ability’ because they ‘display considerable intraspecific and interspecific diversity in terms of the degree to which they use terrestrial vs. aquatic habits’ (p. 338). Archive 2006-07-01
Usually, this pattern is attributed to cladogenesis compressed in time, combined with the inevitable erosion of the phylogenetic signal. 2009 June - Telic Thoughts
However, if this is not the case, then phylogenetic networks represent sets of contradicting splits by hypercubes.
As you see from the little cladogram I’ve knocked up here [click for larger version], bat diphyly and archontan monophyly makes it at least possible – and phylogenetically parsimonious – that flight was primitive for the megabat-primate clade, or in other words that primates are secondarily flightless. Archive 2006-08-01
Only unambiguously aligned positions were considered in phylogenetic analyses.
Loligo bleekeri was used as the out-group in all phylogenetic analyses because most authors currently consider cephalopods as the sister group of gastropods.
The present study, as well as previous molecular studies, suggest that the oegopsid squids represent a polyphyletic group with uncertain phylogenetic affinities.
The conventional method for identifying a potential drug target in rRNA is phylogenetic analysis.
Camp works in phylogenetics, which is the study of "the CreationWiki - Recent changes [en]
The phylogenetic conflict in the Silene SlX1 / Y1 gene cannot be explained by paralogy or artefacts, such as in vitro recombination during PCR. BioMed Central - Latest articles
A model and an algorithm were provided for constructing phylogenetic tree based on the principle of maximum likelihood estimate.
In addition, phylogenetic analyses were performed for each of the individual virB genes selected for concatenation.
Like other isolated islands, the Azores have functioned as a natural evolutionary laboratory - most of the native plant species are living fossils, phylogenetically primitive, and related to, though divergent from, the preglacial flora of Europe. Azores temperate mixed forests
Schistosoma mansoni (a platyhelminth) [17] Phylogenetic comparisons of putative Hirudo innate immune response genes present within the Hirudo transcriptome database herein described show a strong resemblance to the corresponding mammalian genes, indicating that this important physiological response may have older origins than what has been previously proposed. BioMed Central - Latest articles
Besides these phylogenetic analyses, recombination events were occasionally observed between transferring alleles of silver crucian carp and color crucian carp.
Using a method of comparing genetic characteristics, called phylogenetic analysis, the researchers studied a group of men who had sexually transmitted their HIV viruses; in this way the team was able to determine the source of rapidly mutating HIV viruses by analyzing the viral sequences extracted from the blood and semen of HIV transmitting partners. THE MEDICAL NEWS
As a result of their isolation, most of the native plant species on the Azores are living fossils, phylogenetically primitive, and related to, though divergent from, the preglacial flora of Europe. Azores temperate mixed forests
Endemic ranid (Amphibia: Anura) genera in southern mountain ranges of the Indian subcontinent represent ancient frog lineages: evidence from molecular data, Molecular Phylogenetics and Evolution, 31, (2004) p: 734. WN.com - Articles related to Tourism revenues up 28% in first half - report
Regression through the origin with phylogenetically independent contrasts … which is equivalent to phylogenetic generalized least squares (PGLS) analysis, accounts for the nonindependence of species and indicates no overall evolutionary relationship between the traits … The apparent pattern across species was driven by positively correlated trait change only at the basal split of the phylogeny; throughout the rest of the phylogeny, the traits mostly changed in opposite directions (A; basal contrast in red) …. Discover Blogs
A negative relationship between body size and rate of molecular evolution was found for phylogenetically independent pairs of reptile species spanning turtles, lizards, snakes, crocodile, and tuatara.
An assertion that differentiation is a more parsimonious interpretation of phylogenetic patterns than is concrescence, as argued by the odontode regulation theory, implies certainty and data where there are none.
But recently a small cadre of evolutionary biologists has argued for reforming the accepted nomenclature to more closely reflect evolution using an approach called phylogenetic taxonomy. What's in a Name? The Future of Life
This programme increases knowledge and understanding of the biosystematics of both floras by improving description of their taxonomy and phylogenetic relationships.
Below we summarize the characters and apparent phylogenetic positions of these taxa.
Thus, three blocks were finally selected, and they were concatenated together with blocks from other proteins for subsequent phylogenetic analyses.
Rather they derive from associated events in experience that antedate linguistic structure both phylogenetically and, in man, in individual development.
Third, substantial phylogenetic evidence from both morphology and molecular data indicates that acanthocephalans have a close evolutionary relationship with Rotifera.
If ornaments appeared in subfamilies or tribes that were phylogenetically separated, these were counted as evolutionarily independent events.
Meanwhile, at the center of children's little pulsing innervated kernels is the phylogenetic imperative encoded in their DNA to grow, to expand, to self-organize, to learn, to exercise the autonomy that defines them as organisms. Teaching Children to Hate School
We conclude that potentiation of gill contraction is not a general characteristic of bivalves and that the uneven distribution is not phylogenetically based.
The amount of homoplasy character states which evolved independently, as might occur occasionally with pseudogenes can be estimated, and we can tell whether or not we are close or far from a situation in which there is so much homoplasy that no phylogenetic structure is statistically supported. If and only if Cornelius Hunter made sense, then... - The Panda's Thumb
By including genes from various cnidarian species belonging to Anthozoa, Scyphozoa and Hydrozoa, our analysis allows to identify lineage-specific gene duplications or losses through the comparison of the topology within the gene tree with the known phylogenetic relationships between included species PLoS ONE Alerts: New Articles
There is still much discussion over the issue of species and binomials in the phylogenetic system, and at present, the draft PhyloCode only addresses supraspecific taxa.
Were an organism an evolutionary chimera, then its various chronometers [phylogenetic markers] would yield different, conflicting phylogenies. A Disclaimer for Behe?
Orders that are characterized by oogamy (or pronounced anisogamy) and are reported to have large female gametes have the largest nuclear genomes observed regardless of their phylogenetic position.
Our phylogenetic analysis including P. wickerhamii shows that this green algal mtDNA does cluster with corresponding sequences from lower and higher plants.
We also explore the extraxial nature and phylogenetic significance of the odontophore.
Evolution of the bisexual species of Caucasian rock lizards: A phylogenetic evaluation of allozyme data. Biological diversity in the Caucasus
Also included is a comprehensive phylogenetic and taxonomic analysis of karyotypic information. AvaxHome RSS:
However, due to the ambiguity in the phylogenetic analyses, this divergence is shown as an unresolved trichotomy.
I'm cribbing this from the ZnS world theory of Mulkidjanian et al and the neomura theory of Cavalier-Smith which nicely mesh together in their respective abiogenetic/phylogenetic theories, resulting in a substantially testable, and tested, complete pathway to the RNA world and beyond. Sailing the Seas of Titan | Universe Today
Utilizing such techniques on cytochrome C, Fitch and Margoliash (1967) have pro - duced a phylogenetic tree linking fungi, yeasts, nema - todes, fish, birds, and mammals, which is very similar to phylogenetic trees proposed by classical zoologists. Dictionary of the History of Ideas
Phylogenetic trees depicting relationships among 16 eutherian orders are presented.
Phylogenetic relationships of the enigmatic hoatzin (Opisthocomus hoazin) resolved using mitochondrial and nuclear gene sequences. Goodbye, my giant predatory, cursorial, flightless hoatzin
This chapter alone makes the book an excellent resource for any course in phylogenetic systematics.
Unlike the situation in nematodes and platyhelminths, substantial evidence supports a close phylogenetic affinity of acanthocephalans to the predominately free-living rotifers.
Cladistics is currently the most popular paradigm of phylogenetic classification in biological taxonomy.
But with poorly studied groups, even modest phylogenetic analysis can reveal remarkable insights.
Most importantly, the phylogenetic analysis results in a topology that places hornworts as a sister group to the vascular plants and mosses as the sister clade to the hornwort-tracheophyte group.
Hunter apparently has no idea that, in phylogenetics, it is trivial to test hypotheses like “there is no tree structure in the sequence data” or “these two phylogenies from two different genes agree/disagree with each other”, to quantify the amount of agreement/disagreement, etc. If and only if Cornelius Hunter made sense, then... - The Panda's Thumb
New methods for generating phylogenetic relationships brought comparative embryology back to the forefront; now we can assess the direction of evolutionary changes in development.
Major arthropod lines have long been recognized (insects, crustaceans, chelicerates, diplopods, chilopods, etc.), but the phylogenetic relationships among these groups remain controversial.
At the very least, this new fossil merely illustrates not only that the australopith phylogenetic “bush” was wider than we thought, but does illuminate a bit more knowledge regarding how the earliest Homo hominims divulged from their australopith relatives. Australopithecus sediba and the creationist response - The Panda's Thumb
Although the group was first documented in 1555, their phylogenetic affinities are obscure; they have been variously related to holothurians, echiurids, priapulids, phoronids, and annelids.
Rather phylogenetically, he proceeds from a survey of sensory modalities to mental powers of perception, intelligence, appetence, emotion, habit and instinct, ending with a general discussion of mental evolution.
Phylogenetic relationships inferred from hsp 82 depicted the rotifer class Seisonidea as the sister taxon of a monophyletic trichotomy that included Acanthocephala, Bdelloidea, and Monogononta.
Indeed, it has not borrowed its concepts from classical stemmatics or even from phylogenetics in biology, which have been tested and found to be robust over many different applications. Evangelical Textual Criticism
The research leads to a more recent common ancestor for humans than phylogenetic estimates that assume a relationship with chimpanzees.
The compartmented genetic system of the plant cell is of heterogenous phylogenetic origin.
There are alternative explanations for the origin of mitochondria that can compete with the endosymbiotic theory and that are in line with the phylogenetic data. A critique on the endosymbiotic theory for the origin of mitochondria
Parrotfishes have traditionally been given their own family but current phylogenetic data suggest that parrotfishes are one radiation within the Labridae.
We present a phylogenetic analysis to determine whether a given tRNA molecule was established in evolution before its cognate aminoacyl-tRNA synthetase. 2008 October - Telic Thoughts
This new genus is Pilbarascutigera and is described in the paper A new genus of scutigerid centipeds (Chilopoda) from Western Australia, with new characters for morphological phylogenetics of Scutigeromorpha by G.D. Edgecombe and L. Barrow within Zootaxa 1409: 23-50 (2007) Archive 2007-02-01
If ontogeny really did recapitulate phylogeny, then phylogenetic relationships might be determined directly by reference to ontogenetic sequences.
The two main methods for developing phylogenies in palaeontology are evolutionary systematics and phylogenetic systematics or cladism.
The objective is to elucidate the predictions of alternate functional models and see if the character-state changes of independently derived phylogenetic analyses are consilient with them.
The evolution of protein disulfide isomerases presents a difficult but important phylogenetic question.
However, many viruses readily recombine, which implies that no single phylogenetic tree describes the genealogy of the sampled sequences.
A phylogenetic supertree of oscine passerine birds (Aves: Passeri). Archive 2006-05-01
This new genus is Pilbarascutigera and is described in the paper A new genus of scutigerid centipeds (Chilopoda) from Western Australia, with new characters for morphological phylogenetics of Scutigeromorpha by G.D. Edgecombe and L. Barrow within Zootaxa 1409: 23-50 (2007) Archive 2007-02-01
In the phylogenetic tree of TERT and retroelements rooted with RNA-dependent RNA polymerases, the RT motifs in the RT family are universally conserved [including multicopy single-stranded DNA, group II introns, LTR or non-LTR (Long Terminal Repeat) retrotransposons, and viral RT] [10], [89]. PLoS ONE Alerts: New Articles
Consistent with the close phylogenetic relationships of the species sampled, most nucleotide sites were invariant in pair wise comparisons.
A Fine line between sex and unisexuality: The phylogenetic constraints on parthenogenesis in lacertid lizards. Biological diversity in the Caucasus
We can now begin to explore these question more rigorously, in a phylogenetic context, with the benefit of new information from embryology, development, and developmental genetics.
For the combined space, we extended the coregulation space by simulating the orthologous intergenic sequences for each of the ten coregulated reference genes according to a phylogenetic tree that describes the relatedness of the orthologous sequences to the ancestral sequence. PLoS ONE Alerts: New Articles
Obviously, in any phylogenetic analysis a subset of the characters will retain the ancestral state.
He found such an agent in the phagocyte, which retained its ancient phylogenetic eating function, to devour effete, dead, or injured cells that violated the phagocyte's sense of organismal identity. The Impulse of Breathing
The putative affiliative bond is argued to be part of the phylogenetic heritage of the men of our species.
However, species may hybridize long after speciation, which may pose problems in phylogenetic reconstruction, especially when molecular data are used.
More than 200 sexually transmitted pathogens have been reported in animals covering a wide phylogenetic range.
Across major phylogenetic comparisons, the evolution of Hox clusters generally parallels the evolution of axial complexity.
His phylogenetic explanation of the origin of language stands in service of his empiricist effort to ground human knowledge.
Likewise, comparisons of growth series permit elucidation of phylogenetic relationships at lower taxonomic levels such as suborders, families, or subfamilies.
Antibiotic peptides constitute a major component of the innate defense system shared by organisms from throughout the phylogenetic tree, including humans.
The Triassic ammonoids represent the phylogenetic bridge between Paleozoic and Jurassic ammonoids.
The fantastically-named Congo forest mouse Deomys ferrugineus (sometimes called the Link mouse) is another similar long-footed form of uncertain phylogenetic position. Archive 2006-03-01
Our phylogenetic results indicate that the giant muntjac is relatively closer to Muntiacus reevesi than to other muntjacs and may be placed in the genus Muntiacus.
Now Dr Michael Lee of the South Australian Museum in Adelaide, Australia, has repeated the exercise using the same technique, known as phylogenetic analysis, only this time applying a more sophisticated statistical method. Archaeopteryx regains its perch on the bird family tree
But unless you have already mastered vertebrate anatomy, Mesozoic stratigraphy, and phylogenetic analysis, it's probably not the place to begin.
Although no evidence has been found for the presence of simians in Oceania, Indonesian STLV-I strains are both phylogenetically and geographically close to the HTLV-Ic strains.
Using a method of comparing genetic characteristics, called phylogenetic analysis, the researchers studied a group of men who had sexually transmitted their HIV virus to other men. Analysis
We used the two satellite DNA families of the sparid species for phylogenetic inference of the group.
Knapp has also investigated the evolutionary origins of fruit size, colour and biochemistry in the genus Solanum using a phylogenetic approach.
The same mode of increase has been adopted independently in phylogenetically distinct clades.
Mammalian phylogenetics at the ordinal level remains one of the outstanding problems in systematics because of the lack of congruence between different data sets.
However, in a phylogenetic analysis of the complete mitochondrial genome of the Jamaican fruit bat it appeared more closely related to cetferungulates, a clade including Cetacea, Artiodactyla, Perissodactyla, and Carnivora.
Our study, in part, builds on theirs by providing more of a phylogenetic component to the histological approach that they used.
The phylogenetic expression of ambiguity is reticulate evolution. A Disclaimer for Behe?
Phylogenetic analyses of these elements in the genus Drosophila indicate a strictly vertical transmission of R1 and R2.
It remains to be considered to what extent the several natural groups of plants classed together in the Bryophyta can be placed in a phylogenetic relation to one another. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria"
Some recent investigations of nemertean development have contributed informative characters for phylogenetic analysis, whereas others have provided insight into developmental mechanisms and patterns.
Thus the notochord, the brain, the eyes, the heart, appear earlier in the ontogenetic than in the phylogenetic series, while, on the other hand, the septum of the auricles appears in the development of the higher Vertebrates before the ventricular septum, which is undoubtedly a reversal of the phylogenetic order. Form and Function A Contribution to the History of Animal Morphology
Phylogenetic patterns of concrescence and differentiation are similarly achieved through ontogenetic developmental differentiation, or a lack thereof.
There are many cases where a single pollinator is responsible for pollinating many species of plants, for example long-tongued flies (Tabanidae and Nemestrinidae) are the exclusive pollinators of many genera of petaloid monocots as well as Pelargonium and Erica; a butterfly is the exclusive pollinator of a phylogenetically disparate group of red-flowered and autumn-flowering species; hopliine (monkey) beetle pollination has evolved convergently in many genera, etc. Lowland fynbos and renosterveld
The current results have provided evidence for the hypothesis that empathy is phylogenetically continuous in mammals and has provided a rats' model of empathy for further research.
This result was somewhat hard to interpret, as no explicit phylogenetic hypothesis was made, and the effect of phylogeny on, among other things, the independence of comparisons went unconsidered.
a phylogenetically primitive part of the brain
In the phylogenetic analysis, 42 sites were parsimony informative, 47 were uninformative and 380 were constant.
PS (2008) Molecular phylogenetics and cupule evolution in Fagaceae as inferred from nuclear CRABS CLAW sequences. PLoS ONE Alerts: New Articles
The hind wing venation characters are of taxonomic significance in tribal, generic level and of value in explaining the phylogenetic relationships among tribes of the subfamily Laminae .
Attempts to discriminate between phylogenetic patterns of concrescence or differentiation among serially homologous elements are therefore entirely futile.
In a phylogenetic dendrogram, branches and twigs here and there show saltations into a new grade.
Second, our work with lacertids helped make us both keenly aware of the importance of phylogeny and phylogenetic control in comparative biology.
Research Emphases are: geological record of neuropterous insects, integration of fossil and living taxa into combined phylogenetic analyses.
The phylogenetic position of needlefishes relative to halfbeaks fits his prediction.
To study the phylogenetic status of some group from the view of lineage and stem species is helpful to integrate the knowledge about both of the anagenesis and the cladogenesis.
B.; Hauer, B.; Lingens, F.; Fetzner, S.: 2-Oxo-1,2-dihy - droquinoline 8-monooxygenase: phylogenetic relationship to other multi - component nonheme iron oxygenases. Recently Uploaded Slideshows
The lasting contribution of the book is in its summary of avian distributions and natural history, not in the phylogenetic interpretation of speciation and biogeography.
The next generation of advances in macroevolution and evolutionary paleoecology will not occur until a well-tested phylogenetic classification is established.
We also determined which phylogenetic lineages had evolved faster or slower.
There is a great need for phylogenetic analysis of virtually all the constituent families.
Clearly, it is extremely difficult to reconcile whether phylogenetic differentiation or concrescence is responsible for a decrease in the number of skeletal elements.
Whatever their phylogenetic position, the hagfish are still considered the most primitive vertebrate known, living or extinct.
These genetic techniques will clarify the evolutionary and phylogenetic importance of segmentation in metazoan evolution.
While unfortunately few phylogenetic studies include both species together, a comprehensive recent DNA-based phylogeny found the two to be well apart, with Polyboroides down with Old World vultures and honey buzzards, while Geranospiza was in the buteonine clade that also includes Buteo (of course) and Leucopternus (Lerner et al. 2005). Archive 2006-05-01
In the more advances courses, I think it is also important to emphasize molecular phylogenetics and developmental genetics as well. It's more than genes, it's networks and systems - The Panda's Thumb
An out-group was available for phylogenetic analysis.
Furthermore, as is typical of many phylogenetic problematica, myzostomids feature a mixture of characteristics that suggest affinities with disparate taxa.
Some oscine families are distinct, but convergent evolution apparently is common and has obscured phylogenetic relationships, making the subdivision of this group based on morphology difficult.
Here we combine phylogenetic reconstruction with new data on the morphology and ecophysiology of these plants to infer early angiosperm function.
phylogenetic development
On average, nodes preceding gene duplications occur earlier in the phylogenetic trees than speciation nodes.
Phylogenetic systematics plays down the role of ancestors and depicts the accumulation of character changes at the inferred cladogenetic events.
Major arthropod lines have long been recognized (insects, crustaceans, chelicerates, diplopods, chilopods, etc.), but the phylogenetic relationships among these groups remain controversial.
The phylogenetic position of needlefishes relative to halfbeaks fits his prediction.
A relationship between these genes has also been obtained from mutant analysis as well as phylogenetic analysis.
Some researchers have proposed that the first pterosaurs were bipedal or quadrupedal arboreal gliders, but these hypotheses do not incorporate a robust phylogenetic and functional basis.
In a phylogenetic dendrogram, branches and twigs here and there show saltations into a new grade.
Activity at the intersection of phylogenetic systematics and developmental biology has shifted over the years.
They have been suggested to be the sister group of Acipenseriformes + Neopterygii (gars, bowfin, and teleosts) by both morphological and molecular phylogenetic studies.
But abandonment of the Linnean nomenclatural system does not mean abandonment of the principle of priority, although in the phylogenetic nomenclatural system priority is based on definitions rather than memberships or diagnoses.
In phylogenetic nomenclature, taxon name definitions are based on ancestry and descent rather than the possession of subjective ‘key’ characters.
Martin Brazeau has an excellent post on taphonomy at The Lancelet reporting a paper in which folks let poor innocent critters rot in order to ascertain which anatomical features are likely to be preserved and which are likely to be lost before fossilization, and the implications for interpreting fossils of ‘soft’ tissues for phylogenetics. The Panda's Thumb: Transitional Fossils Archives
I'd also point out that the delectable S A Smith overeggs her cake by claiming, 'retroelements are just dandy for phylogenetic analysis', what the paper she cites actually says is, 'The presence of a retrotransposon at a single locus in multiple taxa remains an extremely powerful phylogenetic marker, but caution is required before concluding that the existence of a particular SINE at a particular locus in multiple individuals is indicative of common ancestry'. On Thursday, the Legg report will be published along with...
Their phylogenetic positions, within Medusozoa and Anthozoa respectively, do not provide any information about whether these animals retain ancestral states for other characters under study.
A symposium on prosobranch phylogeny was held in 1986 which resulted in several papers using cladistic analysis to produce phylogenetic hypotheses of various gastropod groups.
Thus in many mammals the mesodermal part of the allantois often appears long before the endodermal part, though this is phylogenetically older. Form and Function A Contribution to the History of Animal Morphology
Island endemics arise frequently from mainland ancestors in many taxonomic groups, so large numbers of phylogenetically independent comparisons can be made.
Phylogenetic resolution and chronological dating of speciation events in Lycopersicon has proved difficult.
The inferred phylogenetic relationships between acanthocephalans and rotifers differ appreciably.
We applied additional filtering criteria, including phylogenetic validations, to enhance the reliability of our predictions.
The trait of temporal fenestration has been used extensively in phylogenetic studies of amniotes, but unfortunately, it is not a reliable guide to their evolution.
According to Haeckel, the origin of the generative products in the mesoderm is a heterotopic phenomenon, for he considers that they must have originated phylogenetically in one of the two primary layers, ectoderm or endoderm. Form and Function A Contribution to the History of Animal Morphology
I've been making my way through the September 2008 Journal of Paleontology, and so there was "A new desmatosuchine aetosaur (Archosauria; Suchia) from the Upper Triassic Tecovas Formation (Dockum Group) of Texas," "A juvenile skull of the primitive African ornithischian dinosaur Heterodontosaurus tucki from the 'Stormberg' of South Africa," and "The anatomy, affinity, and phylogenetic significance of Illemoraspis kirkinskayae (Osteostraci) from the Devonian of Siberia. "The lengths that I will go to, the distance in your eyes..."
The distribution of homologues among different taxa is seen as a consequence of their phylogenetic relationship.
Evolutionary biologists have long been able to build family trees of related species, called phylogenetic trees. Ars Technica
The family Clusiaceae and the subfamily Clusioideae with the genus Clusia have a minimum phylogenetic age of 90 x 10 years.
From the molecular viewpoint, however, the phylogenetic relationship among elephants, sirenians, and hyraxes remains confused.
(A) Relative SWS1 (ultraviolet) opsin expression is higher among Lake Malawi cichlids foraging on phytoplankton, zooplankton, and epilithic algae (phylogenetic ANOVA). PLoS Biology: New Articles
The foregoing is not to say that Newton does not appreciate the fact that a phylogenetic hypothesis can be important in biogeography.
The earliest occurring and phylogenetically most primitive synapsids are the ‘pelycosaurs’ of traditional terminology.
Hence, we remain agnostic regarding phylogenetic relationships among basal angiosperm lineages.
The distribution of homologues among different taxa is seen as a consequence of their phylogenetic relationship.

How To Use Phylogenetic In A Sentence

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