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97 results for “arachnid”
Figure 4 in Trigonotarbus johnsoni Pocock, 1911, revealed by X-ray computed tomography, with a cladistic analysis of the extinct trigonotarbid arachnids
Figure 4. An idealized reconstruction of Trigonotarbus johnsoni based on the computed tomography scan of NHMUK I. 15860 and additional hand specimens. Scale bar = 2 mm.
Data from: The walking dead: blender as a tool for palaeontologists with a case study on extinct arachnids
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Data from: Arachnid aloft: directed aerial descent in neotropical canopy spiders
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Data from: Gone with the rain: negative effects of rainfall on male mating success in a nest-building arachnid
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The genome of a daddy-long-legs (Opiliones) illuminates the evolution of arachnid appendages
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Experimental evidence for ecological cascades following threatened mammal reintroduction: Arachnids at Scotia Sanctuary, NSW, Australia
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Data from: Almost a spider: a 305-million-year-old fossil arachnid and spider origins
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Systemic paralogy and function of retinal determination network homologs in arachnids
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Fig. 2 in First endemic arachnid from Isla Sala y Gómez (Motu Motiro Hiva), Chile: a new species of tube-dwelling spider (Araneae: Segestriidae)
Fig. 2. Ariadna motumotirohiva sp. nov., ♀, holotype (MNHN 8366). A. Habitus, dorsal view. B. Habitus, ventral view. C. Endites, labium and labrum, ventral view. D. Epigastric furrow, ventral view. E. Spinnerets, ventral view, arrowheads showing the diagonal membranous stripes of the ALS. F. Right leg I, prolateral view. G. Right leg I, retrolateral view. Scale bars = 1 mm.
Fig. 3 in First endemic arachnid from Isla Sala y Gómez (Motu Motiro Hiva), Chile: a new species of tube-dwelling spider (Araneae: Segestriidae)
Fig. 3. Ariadna motumotirohiva sp. nov., ♀, paratype (IBSP 246895). A–D. Internal genitalia. A, C. Lateral view, arrowhead in A = median membranous crack. B, D. Detail of the anterior receptaculum, ventral view.
Ordered phylogenomic subsampling enables diagnosis of systematic errors in the placement of the enigmatic arachnid order Palpigradi
<p><span><span><span><span><span><span><span><span><span><span><span>The miniaturized arachnid order Palpigradi has ambiguous phylogenetic affinities, due to its odd combination of plesiomorphic and derived morphological traits. This lineage has never been sampled in phylogenomic datasets because of its small body size and fragility of most species, a sampling gap of immediate concern to recent disputes over arachnid monophyly. To redress this gap, we sampled a population of the cave-inhabiting species <i>Eukoenenia spelaea</i> from Slovakia and inferred its placement in the phylogeny of Chelicerata using dense phylogenomic matrices of up to 1450 loci, drawn from high-quality transcriptomic libraries and complete genomes. The complete matrix included exemplars of all extant orders of Chelicerata. Analyses of the complete matrix recovered palpigrades as the sister group of the long-branch order Parasitiformes (ticks) with high support. However, sequential deletion of long-branch taxa revealed that the position of palpigrades is prone to topological instability. Phylogenomic subsampling approaches that maximized taxon or dataset completeness recovered palpigrades as the sister group of camel spiders (Solifugae), with modest support. While this relationship is congruent with the location and architecture of the coxal glands, a long-forgotten character system that opens in the pedipalpal segments only in palpigrades and solifuges, we show that nodal support values in concatenated supermatrices can mask high levels of underlying topological conflict in the placement of the enigmatic Palpigradi. </span></span></span></span></span></span></span></span></span></span></span></p>
FIGURE 4 in The smaller arachnid orders: diversity, descriptions and distributions from Linnaeus to the present (1758 to 2007)*
FIGURE 4. Pseudoscorpion species diversity plotted against log country area.
FIGURE 3 in The smaller arachnid orders: diversity, descriptions and distributions from Linnaeus to the present (1758 to 2007)*
FIGURE 3. Proportion of pseudoscorpion species described by various authors, 1758–2007.
Data from: Requirements and limits of anatomy-based predictions of locomotion in terrestrial arthropods with emphasis on arachnids
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Ordered phylogenomic subsampling enables diagnosis of systematic errors in the placement of the enigmatic arachnid order Palpigradi
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Whole genome duplication in arachnids - what happened next?
GEO Series GSE241073. Segestria senoculata. 1 samples. Type: Expression profiling by high throughput sequencing.
Figure 2 in Trigonotarbus johnsoni Pocock, 1911, revealed by X-ray computed tomography, with a cladistic analysis of the extinct trigonotarbid arachnids
Figure 2. Hand specimens of Trigonotarbus johnsoni from the NHMUK collections. Scale bars = 1 mm.
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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.