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822 results for “systematic position”
Fig. 4 in Molecular phylogeny and comparative morphology reveal the species validity and systematic position of Lepidodesma (Bivalvia: Unionidae)
Fig. 4 Phylogenetic trees inferred from Bayesian Inference (BI) and Maximum Likelihood (ML) analyses. Left is the BI and ML tree based on the AA dataset. Right is the BI tree based on the NT dataset; taxon names correspond to the left tree. Numbers close to the nodes for the left tree indicate bootstrap support (BS)/posterior probabilities (PP), and those for the right tree indicate PP. Hidden node numbers and asterisks (*) denote PP> 0.9 and BS> 75%. Different colored clades represent four subfamilies in Unionidae. Pentagrams symbolize sequences from this study. Dotted lines in the right tree indicate inconsistent clades compared to the left tree. The figure depicts the topology of Unionidae, while the complete topology is presented in Supplementary Fig. S5
Fig. 2 in Molecular phylogeny and comparative morphology reveal the species validity and systematic position of Lepidodesma (Bivalvia: Unionidae)
Fig. 2 Anatomical features of Lepidodesma aligera with left valve removed and Lepidodesma languilati with right valve removed. a L. aligera; b L. languilati. c–h close-up of apertures and gills: c–e Lepidodesma aligera; f–h, Lepidodesma languilati. Abbreviations: aam, anterior adductor muscle; pam, posterior adductor muscle; exa, excurrent aperture; ia, incurrent aperture; f, foot; ig, inner gill; og, outer gill; lp, labial palps; m, mantle; p ia, papillae in incurrent aperture; pg exa, pigmentation of excurrent aperture
Fig. 1 in Molecular phylogeny and comparative morphology reveal the species validity and systematic position of Lepidodesma (Bivalvia: Unionidae)
Fig. 1 Shell images of Lepidodesma aligera and Lepidodesma languilati. a (1–4): Lepidodesma aligera; b (1–4): Lepidodesma languilati
FIGURE 1 in Systematic position of Rivina humilis var. humilis, R. humilis var. bracteata and R. bengalensis based on nrDNA ITS and cpDNA rbcL & trnH-psbA sequence data
FIGURE 1. Best ML tree retrieved after analysing 43 taxa of family Phytolaccaceae. The best fit model of evolution GTR+G+I. The tree rooted at Hilleria latifolia (Lee et al. 2013).
FIGURE 3. A–E in Systematic position of Rivina humilis var. humilis, R. humilis var. bracteata and R. bengalensis based on nrDNA ITS and cpDNA rbcL & trnH-psbA sequence data
FIGURE 3. A–E: Rivina humilis L.var. bracteata; A) Habit (inset flowers); B) Infructescence; C) Bract; D) Fruit; E) Seed; F–J: Rivina humilis L. var. humilis; F) Habit (inset flower); G) Infructescence; H) Bract; I) Fruit; J) Seed; K–O: Rivina bengalensis S. C. Srivastava et T. K. Paul; K) Habit (inset flowers); L) Infructescence; M) Bract; N) Fruit; O) Seed.
FIGURE 2 in On the origin and systematic position of the Azorean goldenrod, Solidago azorica (Asteraceae)
FIGURE 2. Solidago azorica Hochst., copper engraving from Flora Azorica (Seubert 1844) based on the holotype Hochstetter 107 (TUB).
FIGURE 3. Solidago azorica Hochst., A in On the origin and systematic position of the Azorean goldenrod, Solidago azorica (Asteraceae)
FIGURE 3. Solidago azorica Hochst., A—large coastal population on São Jorge island, Fajã Rasa; B—flowering inflorescence, Corvo island, June 2011; C—details of capitulae, Corvo island, with pollinating syrphid fly, June 2011 (photographers A: L. Silveira, B/C: H. Schaefer).
FIGURE 1. Solidago sempervirens L in On the origin and systematic position of the Azorean goldenrod, Solidago azorica (Asteraceae)
FIGURE 1. Solidago sempervirens L. subsp. sempervirens, flowering stem at Duxbury beach, Massachusetts, USA, October 2011 (photographer H. Schaefer).
FIGURE 5 in On the origin and systematic position of the Azorean goldenrod, Solidago azorica (Asteraceae)
FIGURE 5. Best maximum likelihood phylogeny based on the combined nuclear and plastid data (2198 basepairs). Likelihood bootstrap values>60 shown at the nodes. Solidago azorica highlighted in red, S. sempervirens in green; GB-sequence downloaded from GenBank.
FIGURE 4. Best maximum likelihood phylogenies, A in On the origin and systematic position of the Azorean goldenrod, Solidago azorica (Asteraceae)
FIGURE 4. Best maximum likelihood phylogenies, A—based on the combined nuclear ribosomal ETS and ITS regions (1134 basepairs); B—based on the plastid trnQ-rps16 and trnH-psbA regions (1410 basepairs). Likelihood bootstrap values>60 shown at the nodes. Solidago azorica highlighted in red, S. sempervirens in green; GB-sequence downloaded from GenBank.
FIGURES 1–9 in A new species of Nagumoea (Bacillariophyta) from Antarctica, and a further consideration of the systematic position of the genus
FIGURES 1–9. Nagumoea livingstonensis sp. nov. LM and SEM pictures taken from the type locality (Byers Peninsula, Livingston Island, South Shetland Islands, Sample BY002). 1–4. LM pictures of valve views showing the fibular structure. Fig. 5. Entire frustule in girdle view. Fig. 6. SEM internal detail of the central area showing the typical fibular structure with the connecting siliceous ridges (see arrow) and the proximal raphe endings terminating on the central nodule. Fig. 7. SEM external view of an entire valve. Fig. 8. SEM external view of an entire valve, showing the valve face/mantle junction and the valve mantle. Fig. 9. SEM internal view of an entire valve. The arrows indicate the siliceous connections between the fibulae. Scale bar represents 10 μm for Figs 1–5 and 7, 1 μm for Fig. 6 and 5 μm for Figs 8 & 9.
FIGURES 31–36 in Valve ultrastructure of Nitzschia shanxiensis nom. nov., stat. nov. and N. tabellaria (Bacillariales, Bacillariophyceae), with comments on their systematic position
FIGURES 31–36. SEM micrographs of Nitzschia tabellaria. 31. External view of the valve, showing the swollen valve with a simple ridged keel. 32. Central area showing the raphe is filiform and without central raphe ending. 33. Valve terminus showing the hooked raphe ends. 34. Internal view of the valve, showing the canal raphe subtended by fibulae. 35. Internal view of valve center showing the fibulae structures. 36. Distal raphe ends showing helictoglossae and are positioned on the mantle at the apices.
FIGURES 25–30 in Valve ultrastructure of Nitzschia shanxiensis nom. nov., stat. nov. and N. tabellaria (Bacillariales, Bacillariophyceae), with comments on their systematic position
FIGURES 25–30. SEM micrographs of Nitzschia shanxiensis. 25. External view of the valve, showing the keel extending marginally from apex to apex. 26. Central area showing the raphe is without central raphe ending, areolae are circular to elongate. 27. Valve terminus showing the hooked raphe ends. 28. Internal view of the valve, showing the canal raphe subtended by fibulae. 29. Internal view of valve center showing the fibulae structures. 30. Distal raphe ends showing helictoglossae and are positioned on the mantle at the apices.
FIGURES 1–24 in Valve ultrastructure of Nitzschia shanxiensis nom. nov., stat. nov. and N. tabellaria (Bacillariales, Bacillariophyceae), with comments on their systematic position
FIGURES 1–24. LM micrographs of Nitzschia shanxiensis and Nitzschia tabellaria. 1–12: Nitzschia shanxiensis. 13–24: Nitzschia tabellaria. Scale bar: 10 μm.
Figure 10 in On the systematic position of the horseshoe bats (Mammalia: Chiroptera) from Lesotho
Figure 10: Portrait and a frontal (middle) and lateral views (right) of the horseshoe of Rhinolophus cervenyi sp. n. (photo by J. Červený).
Figure 9 in On the systematic position of the horseshoe bats (Mammalia: Chiroptera) from Lesotho
Figure 9: Type locality of Rhinolophus cervenyi sp. n.: small cave near the old park lodge in the Sehlabathebe National Park, Lesotho, and the bat colony containing the type series (photo by J. Červený).
Figure 6 in On the systematic position of the horseshoe bats (Mammalia: Chiroptera) from Lesotho
Figure 6: Maximum likelihood tree of reconstructed phylogenetic relationships of the Lesotho horseshoe bats with species of the fumigatus group and other Rhinolophus groups based on the nuclear dataset. Branch support values are shown by pie charts on the nodes.
Figure 5 in On the systematic position of the horseshoe bats (Mammalia: Chiroptera) from Lesotho
Figure 5: Maximum likelihood tree of reconstructed phylogenetic relationships of the Lesotho horseshoe bats with species of the fumigatus group and other Rhinolophus groups based on the Cyt-b dataset. Branch support values are shown by pie charts on the nodes.
Figure 4 in On the systematic position of the horseshoe bats (Mammalia: Chiroptera) from Lesotho
Figure 4: Bivariate plot of skull dimensions of the examined samples of the Lesotho bats and comparative taxa: condylocanine length of skull (LCc) against length of the upper tooth-row (CM3); values in millimetres. Explanations: Lesotho I = samples from Lesotho examined by molecular genetic analysis; Lesotho II = samples from Lesotho examined only by the morphological analysis; Namibia 0 = samples of R. damarensis examined only by the morphological analysis; Namibia 1 = samples of R. damarensis of the Namibia 1 lineage; Namibia 2 = samples of R. damarensis of the Namibia 2 lineage; damarensis T = holotype specimen of Rhinolophus darlingi damarensis; S Africa II = extremely small-sized specimens from South Africa (Free State) originally identified as R. clivosus (see text for details).
Figure 2 in On the systematic position of the horseshoe bats (Mammalia: Chiroptera) from Lesotho
Figure 2: Bivariate plot of skull dimensions of the examined samples of the Lesotho bats and comparative taxa: first two roots of the principal component analysis of 15 plain skull dimensions; for explanations see Figure 1.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.