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609 results for “morphometric analysis”
Figure 13 in The evolution of Metriorhynchoidea (mesoeucrocodylia, thalattosuchia): an integrated approach using geometric morphometrics, analysis of disparity, and biomechanics
Figure 13. Principle coordinates cladistic character morphospace, delimited by the first two axes. The black ellipse contains the metriorhynchine taxa, whereas the grey ellipse contains the Geosaurinae.
Figure 12 in The evolution of Metriorhynchoidea (mesoeucrocodylia, thalattosuchia): an integrated approach using geometric morphometrics, analysis of disparity, and biomechanics
Figure 12. Relative warps morphospace subdivided into three time bins: (A) Callovian; (B) Oxfordian–Kimmeridgian; (C) Tithonian–Berriasian.
Morphological evolution during the last hurrah of the trilobites: Morphometric analysis of the Devonian asteropyginid trilobites
<p><span>The Asteropyginae Delo, 1935, is a group of phacopide trilobites in the family Acastidae Delo, 1935, that has served as the focus for several studies due to their distinctive morphologies and diversity. However, despite an interest in these characteristic morphologies, there have been very few studies that have examined this group using morphometric techniques. In this study, we have utilized both geometric morphometric and elliptical Fourier (EF) methods to quantify the morphology of cephalic sclerites of specimens representing a wide taxonomic sampling of the clade. We constructed a phylomorphospace that shows temporal and spatial patterns of phenotypic evolution within the framework of an updated tip-dated phylogenetic tree generated using Bayesian inference. Of particular note was the recovery of similar patterns, regardless of the morphometric approach. These further illustrated that there were marked expansions into morphospace throughout the temporal range of the clade. This study highlights the utility of employing different methodologies to quantitatively explore the disparity of fossil taxa. It also illustrates some of the patterns of morphologic change occurring during one of the final and major evolutionary radiations within Phacopida.</span></p>
Developmental changes in tibia and humerus of goose: morphometric, densitometric, and mechanical analysis
<p>This dataset supplements the article with the title "Developmental changes in tibia and humerus of goose: morphometric, densitometric, and mechanical analysis" subbmieted by the authors to Animal. A dataset showing experimantal data of the graphs shown in the main manusctipt.</p>
Morphometric Analysis of Orbital Structures in Graves´ Orbitopathy
ClinicalTrials.gov study NCT00665795. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Data from: BMI and WHR are reflected in female facial shape and texture: a geometric morphometric image analysis
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Data from: Taxonomic and evolutionary pattern revisions resulting from geometric morphometric analysis of Pennsylvanian Neognathodus conodonts, Illinois Basin
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Data from: Reverse taxonomy applied to the Brachionus calyciflorus cryptic species complex: morphometric analysis confirms species delimitations revealed by molecular phylogenetic analysis and allows the (re)description of four species
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Data from: A morphometric analysis of vegetation patterns in dryland ecosystems
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Morphometric analysis of the foramen magnum in sex determination: An additional 3DCT study from Nepal on a larger sample
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Data from: Morphometric analysis of the rattan Calamus javensis complex (Arecaceae: Calamoideae)
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Geometric morphometric analysis of Protoconites minor from the Cambrian (Terreneuvian) Yanjiahe Formation in Three Gorges, South China
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Morphological evolution during the last hurrah of the trilobites: Morphometric analysis of the Devonian asteropyginid trilobites
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Integrative taxonomic analysis to reveal the species status of Bombus flavidus, combining COI and nuclear sequencing, wing morphometrics and secretions used for mate attraction as well as patterns of color polymorphism
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Data from: Morphometric analysis and taxonomic revision of Anisopteromalus Ruschka (Hymenoptera: Chalcidoidea: Pteromalidae) – an integrative approach
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Morphometric analysis of retinal ganglionic cells (3D confocal images) analyzed using filament tracer from Imaris software
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Data from: Geometric morphometric analysis applied to theropod tracks from the lower Cretaceous (Berriasian) of Spain
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Data for morphometric analysis and DNA barcode sequence for the new fish species Polymixia hollisterae
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PERMANOVA results from Principal component analysis of avian hind limb and foot morphometrics and the relationship between ecology and phylogeny
<p class="MsoNoSpacing">Principal component analysis has been used to test for similarities in ecology and life habit between modern and fossil birds, however, the two main portions of the hindlimb—the foot and the long bone elements—have not been examined separately. We examine the potential links between morphology, ecology, and phylogeny through a synthesis of phylogenetic paleoecological methods and morphospace analysis. Both hindlimb morphologies and species' ecologies exhibit extreme phylogenetic clumping, although these patterns are at least partially explainable by a Brownian motion style of evolution. Some morphologies are strongly correlated with particular ecologies, while some ecologies are occupied by a variety of morphologies. Within the morphospace analyses, the length of the hallux (toe I) is the most defining characteristic of the entire hindlimb. The foot and hindlimb are represented on different axes when all measurements are considered in an analysis, suggesting that these structures undergo morphological change separately from each other. Early birds tend to cluster together, representing an unspecialized basal foot morphotype and a hindlimb reliant on hip-driven, not knee-driven, locomotion. Direct links between morphology, ecology, and phylogeny are unclear and complicated, and may be biased due to sample size (~60 species). This study should be treated as a preliminary analysis that further studies, especially those examining the vast diversity of modern birds, can build upon.</p>
Supplementary material 1 from: Li M, Sylvester SP, Wang Z-P, Pei Y-D, Gao X-F, Zhao Y, Jiang W-Q (2020) Re-instatement of Sorbus harrowiana (Rosaceae), based on morphometric analysis. PhytoKeys 166: 29-39. https://doi.org/10.3897/phytokeys.166.57672
Table S1. Accessions of herbarium specimen for measurements
ScienceDex guides
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.