cladistic analysis

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Related to cladistic analysis: Apomorphic
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Noun1.cladistic analysis - a system of biological taxonomy based on the quantitative analysis of comparative data and used to reconstruct cladograms summarizing the (assumed) phylogenetic relations and evolutionary history of groups of organisms
taxonomy - (biology) study of the general principles of scientific classification
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References in periodicals archive ?
To abolish this understanding, built on decades of careful, multidisciplinary work, merely because it does not rest solely on cladistic analysis, would be, as Howard Margolis said in another context (1987: p.
Material examined for cladistic analysis: Chromatopelma cyaneopubescens (Strand 1907), VENEZUELA: without further information, 1 male SMF 39012, Ockert ded.
In a cladistic analysis of 25 members of tribe Pachycereeae based on morphological and anatomical characters, Terrazas and Loza-Cornejo (2002) found that the occurrence of silica bodies in Stenocereus dermal tissue is one of the synapomorphies for the genus, supporting previous assertions (Gibson & Horak, 1978).
The 18 characters retained for the cladistic analysis are discussed below.
A cladistic analysis based on morphological characters had never been carried out for all angiosperms in sufficient detail before the large rbcL analysis by Chase et al.
Migration between Populations.--Slatkin and Maddison (1989) have proposed an estimate of the average level of gene flow (Nm, where N is the size of each local population and m is the migration rate) between populations based on a cladistic analysis of gene phylogenies.
No formal cladistic analysis of generic level relationships incorporating all four genera has been conducted, and it isn't obvious that enough morphological characters are available to answer the question robustly.
Based on the cladistic analysis by Anderberg (1994a) Enkianthus seems to have originally been shrubs with deciduous leaves, racemose inflorescences, camp anulate corollas, and winged seeds, whereas the more derived species possess coriaceous leaves, umbellate inflorescences, flowers with tubular or urceolate corollas, and unwinged seeds.
Monophyly and phylogenetic relationships of the Pelecaniformes: a numerical cladistic analysis. Auk 102:834-853.
The basal position of Schlechtendalia was recently confirmed in a morphological cladistic analysis of the Barnadesioideae conducted at the specific level that includes nearly 60% of the species of the group (Urtubey & Stuessy, 2001).
First, to place morphological similarities and differences among species within a phylogenetic context, I present a cladistic analysis to generate a hypothesis of the phylogenetic relationships among the Enallagma species included in this study (three dragonfly-lake and six fish-lake species).