• phylogenetic
  • Although the group has been the subject of decades of phylogenetic research, the marsupial tree of life remains controversial, with most studies focusing on only a fraction of the species diversity within the infraclass. (peerj.com)
  • We evaluate the extent to which the phylogeny recovers current phylogenetic knowledge based on the recovery of "benchmark clades" from prior studies-unambiguously supported key clades and undisputed traditional taxonomic groups. (peerj.com)
  • Although further data are needed to solidify understanding of Methateria phylogeny, the new phylogenetic hypothesis provided here offers a well resolved and detailed tool for comparative analyses, covering the majority of the known species richness of the group. (peerj.com)
  • We use external morphology, body proportions, color pattern, advertisement calls, and phylogenetic analysis of molecular sequence data to show that Philippine populations of Leptobrachium represent three distinct and formerly unrecognized evolutionary lineages, and we describe each (populations on Mindoro, Palawan, and Mindanao Island groups) as new species. (amphibiatree.org)
  • Phylogenetic diversity (PD), a biodiversity measure that takes into account the evolutionary relationships between species, is arguably a more meaningful measure of biodiversity than species diversity, but cannot yet be applied to conservation planning for the majority of taxa for which phylogenetic trees have not yet been developed. (royalsocietypublishing.org)
  • However, decisions based on incomplete data are remarkably robust across different levels of degrading quality concerning the description of new species and the availability of phylogenetic information. (royalsocietypublishing.org)
  • Phylogenetic diversity (PD) [ 14 , 15 ] is a biodiversity measure that takes into account the evolutionary relationships between species, and can be calculated for mammals because a phylogenetic super-tree is already available [ 16 , 17 ]. (royalsocietypublishing.org)
  • Based on the ITS data set, all morphospecies were also shown to be phylogenetic species, although too few isolates were available to address questions relating to intraspecies variation. (sun.ac.za)
  • Phylogenetic relationships in Athyrium and Cornopteris were deduced from two chloroplast DNA fragments, rbcL and trnL 5'exon-trnF, of 32 species, 2 varieties, 3 putative hybrids of Athyrium, three taxa of Cornopteris, and five outgroups. (nii.ac.jp)
  • The monophyletic species subgroup of Podarcis tauricus is distributed in the western and southern parts of the Balkans, and includes four species with unresolved and unstudied inter- and intra-specific phylogenetic relationships. (ac.rs)
  • Using sequence data from two mitochondrial and three nuclear genes and applying several phylogenetic methods and species delimitation approaches to an extensive dataset, we have reconstructed the phylogeny of the Podarcis wall lizards in the Balkans, and re-investigated the taxonomic status of the P. tauricus species subgroup. (ac.rs)
  • insignis Cabanis, 1880 - African equator to southern subtropics The white-winged black tit was formerly one of the many species in the genus Parus but was moved to Melaniparus after a molecular phylogenetic analysis published in 2013 showed that the members of the new genus formed a distinct clade. (wikipedia.org)
  • The Indian black-lored tit was formerly one of the many species in the genus Parus but was moved to Machlolophus after a molecular phylogenetic analysis published in 2013 showed that the members of the new genus formed a distinct clade. (wikipedia.org)
  • In 2005 the report of a molecular phylogenetic study that examined mitochondrial DNA sequences from members of the tit family, recommended including the varied tit along with around fifteen other species in the resurrected genus Poecile. (wikipedia.org)
  • Owston's tit (Sittiparus owstoni), the Iriomote tit (Sittiparus olivaceus) and the chestnut-bellied tit (Sittiparus castaneoventris) were formerly considered as subspecies of the varied tit, but were promoted to species status following the publication of a phylogenetic study in 2014. (wikipedia.org)
  • The species were formerly placed in the speciose genus Parus but were moved to Melaniparus based on a molecular phylogenetic analysis published in 2013 that showed that the members formed a distinct clade. (wikipedia.org)
  • The species was formerly included in the much larger genus Parus but was moved to Pardaliparus with the yellow-bellied tit and the Palawan tit when Parus was split into several resurrected genera following the publication of a detailed molecular phylogenetic analysis in 2013. (wikipedia.org)
  • taxonomic
  • Genetic sequencing research of mitochondrial deoxyribonucleic acid (MDNA) in the pipistrelle bat provides evidence that taxonomic classification of the species should be divided into two subgroups to represent different phonic types. (readabstracts.com)
  • Species delimitation approaches revealed nine species within the P. tauricus species subgroup (P. melisellensis, P. gaigeae, P. milensis, and six in the P. tauricus complex), underlining the necessity of taxonomic re-evaluation. (ac.rs)
  • Scallop (/ˈskɒləp, ˈskæləp/) is a common name that is primarily applied to any one of numerous species of saltwater clams or marine bivalve mollusks in the taxonomic family Pectinidae, the scallops. (wikipedia.org)
  • mammals
  • Marsupials are an old lineage thought to have diverged from early therian mammals some 160 million years ago in the Jurassic, and have a remarkable evolutionary and biogeographical history, with extant species restricted to the Americas, mostly South America, and to Australasia. (peerj.com)
  • clade
  • We thus synonymize some previously recognized subspecies in this subgroup, elevate P. t. tauricus and P. g. gaigeae to the species level and suggest a distinct Albanian-Greek clade, provisionally named as the P. ionicus species complex. (ac.rs)
  • The latter clade comprises five unconfirmed candidate species that call for comprehensive studies in the future. (ac.rs)
  • The L. equulus species complex is the sister group to all other leiognathids, and a new species, L. robustus, recovered within this clade is described herein. (amnh.org)
  • isolates
  • Although isolates of B. dothidea and B. stevensii are confirmed from grapevines in Portugal, neither of these species occurred in South Africa, nor were any isolates of B. ribis confirmed from grapevines. (sun.ac.za)
  • clades
  • All species of clades III and IV are diploids, while most species of Glade V are polyploids. (nii.ac.jp)
  • Results indicate that Leiognathidae comprises two major clades, one consisting of species that exhibit internally sexually dimorphic light-organ systems (LOS), and the Leiognathus equulus species complex, whose members exhibit neither internal nor external sexual dimorphism of the LOS. (amnh.org)
  • monophyletic
  • The Mycosphaerella species included in this analysis are all regarded as representatives of section Plaga, and appear to represent a monophyletic assemblage. (sun.ac.za)
  • Biology
  • Recent application of next-generation sequencing technologies to mosquito genomics offers exciting opportunities to expand our understanding of mosquito biology in many important vector species and harness the power of comparative genomics. (biomedcentral.com)
  • genes
  • While initial phylogenies closely matched the fossil record, observations that some genes appeared to evolve at different rates led to the development of theories of molecular evolution. (wikipedia.org)
  • data
  • Fifteen of the species were also analysed for the 5′ end of the large subunit (28S), which produced a phylogeny similar to that obtained for the ITS data set. (sun.ac.za)
  • Finally, this study provides further evidence that the supermatrix approach provides an effective strategy for inferring large-scale phylogenies using the combined results of previous studies, despite many taxa having extensive missing data. (datadryad.org)
  • Poecile
  • Other calls are used for signalling alarm-a well-known example being the "chic-a-dee-dee" of North American species in the genus Poecile, the call which gives them their local common name, the chickadee. (wikipedia.org)
  • several species
  • Several species of Botryosphaeria are known to occur on grapevines, causing a wide range of disorders including bud mortality, dieback, brown wood streaking and bunch rot. (sun.ac.za)
  • conservation
  • In the face of unprecedented global biodiversity loss, conservation planning must balance between refining and deepening knowledge versus acting on current information to preserve species and communities. (royalsocietypublishing.org)
  • genetic distances
  • Uncorrected p genetic distances within species averaged from 0.5% in G. gibbifer and G. brasili to 0.8 in G. lacustris and as much as 2.2 in G. maculatus . (brillonline.com)
  • It comprises five, geographically distinct, subclades with genetic distances on the species level. (ac.rs)
  • consists
  • Its habitat consists of open mixed forests, in particular with the Japanese Castanopsis species Castanopsis cuspidata and Japanese larch, coniferous forests with Japanese yews, Cryptomeria (sugi), and pines as well as bamboo forests at mountain slopes and in river valleys. (wikipedia.org)
  • distances
  • They are one of very few groups of bivalves to be primarily "free-living", with many species capable of rapidly swimming short distances and even of migrating some distance across the ocean floor. (wikipedia.org)
  • analyses
  • Analyses of superficial anatomy, skull, and vertebral column, but particularly of the detailed structure of the hyoid, gill arch, and branchial vascular systems indicated that some of the groups of synbranchiform species are paraphyletic and others polyphyletic, and that the Alabetidae, long associated with the swamp eels, should be excluded from the assemblage. (amnh.org)
  • taxon
  • This taxon generally is accepted to represent a species complex, and hence its identity remains unclear. (sun.ac.za)
  • small
  • Are most species small? (royalsocietypublishing.org)
  • A small minority of scallop species live cemented to rocky substrates as adults, while others attach themselves to stationary or rooted objects such as sea grass at some point in their lives by means of a filament they secrete called a byssal thread. (wikipedia.org)
  • Description
  • This dataset contains the digitized treatments in Plazi based on the original journal article Pillai, P. M., Unnikrishnan, V., Kumar, U. Suresh (2014): Description, DNA barcode and phylogeny of a new species, Macrobrachium abrahami (Decapoda: Palaemonidae) from Kerala, India. (gbif.org)
  • contains
  • This dataset contains the digitized treatments in Plazi based on the original journal article Rui Wang, Richard Winterbottom (2006): Osteology and phylogeny of Parioglossus (Teleostei, Gobioidei), with a revised key to the species. (gbif.org)
  • whereas
  • For example, the Platypus Ornithorhynchus anadinus is the sole species in the family Ornithorhynchidae, and one of only five species in the order Monotremata, whereas the Cactus Mouse Peromyscus eremicus is one of 56 species in its genus, one of 692 species in the family Cricetidae and one of 2280 species in the order Rodentia [ 13 ]. (royalsocietypublishing.org)
  • The more insectivorous species have finer bills, whereas those that consume more seeds have stouter bills. (wikipedia.org)
  • present
  • The divergence times ( τ {\displaystyle \tau } 's) are measured by the expected number of mutations per site from the ancestral node in the species tree to the present time (Figure 1 of Rannala and Yang, 2003). (wikipedia.org)
  • members
  • occur on and cause diseases of Proteaceae, but accurate identification has been problematic due to the lack of clear species circumscriptions of members of this genus. (sun.ac.za)
  • family
  • In the context of a family-level phylogeny, we can trace the evolution of the leiognathid LOS from a 'simple' non-sexually dimorphic circumesophageal light organ to a complex and species-specific luminescence system involving not only major structural modifications of the light organ itself but also numerous associated tissues"--P. . (amnh.org)
  • There is very little variation in the internal arrangement of organs and systems within the scallop family, and what follows can be taken to apply to the anatomy of any given scallop species. (wikipedia.org)
  • However
  • However, species with Mycovellosiella, Phaeophleospora, Pseudocercospora and Uwebraunia anamorphs occurred separately, suggesting that they have evolved more than once within Mycosphaerella. (sun.ac.za)
  • However, several processes can lead to discordance between species and gene trees. (wikipedia.org)
  • The majority of species, however, live recumbent on sandy substrates, and when they sense the presence of a predator such as a starfish, they may attempt to escape by swimming swiftly but erratically through the water using jet propulsion created by repeatedly clapping their shells together. (wikipedia.org)
  • range
  • Mycosphaerella lateralis was the only species shown to have a wide host range. (sun.ac.za)
  • The type form of the species is responsible for the majority of urban malaria transmission across its range. (biomedcentral.com)
  • Extant species range in size from the least grebe, at 120 grams (4.3 oz) and 23.5 cm (9.3 inches), to the great grebe, at 1.7 kg (3.8 lbs) and 71 cm (28 inches). (wikipedia.org)