Find research datasets worth reusing
Search datasets from major research repositories and use ShareScore to quickly assess how well each record supports discovery, access, and reuse.
5,053
datasets available to search
ShareScore release 0.9.0
Dataset results
5,053 results for “Arachnidae”
Linked collectors and determiners for: Arachnida and Myriapoda (Luomus).
Natural history specimen data linked to collectors and determiners held within, "Arachnida and Myriapoda (Luomus)". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/3c40bd29-eb8e-4a0d-93c5-3cb1b7204a4f">https://bionomia.net/dataset/3c40bd29-eb8e-4a0d-93c5-3cb1b7204a4f</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/3c40bd29-eb8e-4a0d-93c5-3cb1b7204a4f">https://gbif.org/dataset/3c40bd29-eb8e-4a0d-93c5-3cb1b7204a4f</a>. Formatted as a Frictionless Data package.
Images 6–10 in Revalidation of Santinezia albilineata Roewer, 1932 (Arachnida: Opiliones: Cranaidae)
Images 6–10. Santinezia albilineata (male from Tiara, Aragua): 6 - Habitus in dorsal view; 7 - Coxa IV, stigmatic area and free sternites in ventral view; the arrow pointing the yellow strip on the sternite; 8 - Right trochanter IV in dorsal view; the arrow pointing the retrolateral tubercle on the trochanter; 9 - Right femur IV, in dorsal view; 10 - Female from Tiara, Aragua. Left posterolateral zone of dorsal scute, in dorsal view.
Figures 1–9 in Revalidation of Santinezia albilineata Roewer, 1932 (Arachnida: Opiliones: Cranaidae)
Figures 1–9. Santinezia spp., distal portion of the penis: ventral, lateral and dorsal views. 1–3 - Santinezia curvipes (P.N. Henri Pittier, Aragua state); 4–6 - Santinezia curvipes (P.N. Avila, Distrito Capital); 7–9 - Santinezia albilineata (Tiara, Aragua state).
Images 1–5 in Revalidation of Santinezia albilineata Roewer, 1932 (Arachnida: Opiliones: Cranaidae)
Images 1–5. Santinezia curvipes (male from Rancho Grande, Aragua): 1 - Habitus in dorsal view; 2 - Coxa IV, stigmatic area and free sternites in ventral view; 3 - Right trochanter IV in dorsal view; the arrow pointing the retrolateral tubercle on the trochanter; 4 - Right femur IV, in dorsal view; the arrow pointing the proximal and retrolateral tubercle on the femur; 5 - Female from El Ávila, Miranda. Left posterolateral zone of dorsal scute, in dorsal view.
Figure 2 in Spiders (Arachnida: Araneae) of Saba Island, Lesser Antilles: Unusually high species richness indicates the Caribbean Biodiversity Hotspot is woefully undersampled
Figure 2. Spider species richness by island area showing dramatic undersampling of most islands and lack of expected positive species-area relationship. Islands are ordered by size from smaller to larger as follows: Saba, Nevis, St. Kitts, Antigua, Grenada, Turks and Caicos, Barbados. See text for data sources.
Figure 1 in Spiders (Arachnida: Araneae) of Saba Island, Lesser Antilles: Unusually high species richness indicates the Caribbean Biodiversity Hotspot is woefully undersampled
Figure 1. Saba Island (17o38'N, 63o14'W), Lesser Antilles. Thirty-three collection sites mapped using Google Earth. Numbers correspond to sites listed in Table 1.
Figure 6. Bayesian 90 in A survey of spiders (Arachnida: Araneae) of Prince of Wales Island, Alaska; combining morphological and DNA barcode identification techniques
Figure 6. Bayesian 90% majority rule consensus phylogram for the species Tachygyna ursina (Bishop and Crosby) and outgroup using a three partitioned model (GTR+I+G for each codon position) of a 669 bp region of the COI gene. Survey specimens are highlighted. Posterior probabilities are recorded above branches. Branch lengths from the Bayesian analysis followed by the branch lengths from the Neighbor Joining analysis, where applicable, are recorded below branches.
Figure 4. Bayesian 70 in A survey of spiders (Arachnida: Araneae) of Prince of Wales Island, Alaska; combining morphological and DNA barcode identification techniques
Figure 4. Bayesian 70% majority rule consensus phylogram for the species Parazygiella dispar (Kulczynski) and outgroup using a three partitioned model (GTR+I+G for each codon position) of a 669 bp region of the COI gene. Survey specimens are highlighted. Posterior probabilities are recorded above branches. Branch lengths from the Bayesian analysis followed by the branch lengths from the Neighbor Joining analysis, where applicable, are recorded below branches.
Figure 3. Bayesian 90 in A survey of spiders (Arachnida: Araneae) of Prince of Wales Island, Alaska; combining morphological and DNA barcode identification techniques
Figure 3. Bayesian 90% majority rule consensus phylogram for the species Hyptiotes gertschi Chamberlin and Ivie and outgroup using a three partitioned model (GTR+I+G for each codon position) of a 669 bp region of the COI gene. Survey specimens are highlighted. Posterior probabilities are recorded above branches. Branch lengths from the Bayesian analysis followed by the branch lengths from the Neighbor Joining analysis, where applicable, are recorded below branches. Specimen names include the BOLD sequence record (ex SPIAL163-10) followed by the GenBank sequence record (HQ580637) followed by the BOLD specimen number (ALASKA-02-F08) and then by the species and gene (Hyptiotes_gertschi_COI_5P)
Fig. 7 in Ultrastructure of the Spermatozoa in the Spider Genus Pimoa: New Evidence for the Monophyly of Pimoidae plus Linyphiidae (Arachnida: Araneae)
Fig. 7. Late spermatids of Oedothorax retusus (Linyphiidae). SEM. Colors (red, purple, blue) indicate three different spermatids. Abbreviations: AV, acrosomal vacuole; F, flagellum.
Fig. 6 in Ultrastructure of the Spermatozoa in the Spider Genus Pimoa: New Evidence for the Monophyly of Pimoidae plus Linyphiidae (Arachnida: Araneae)
Fig. 6. Interfamilial phylogenetic relationships of orbicularian spiders (based on Griswold et al. 1998 and Lopardo and Hormiga, 2008; see text for additional information and for sources of intrafamilial relationships). The optimization of the character 2 describing the axonemal pattern (three versus no central tubules) is reconstructed using parsimony. Data of the organization of the axoneme based on: Boissin, 1973; Alberti, 1990; Li et al., 1994; Michalik and Alberti, 2005; Michalik et al., 2005; Michalik, 2006; Michalik et al., 2006; and further own unpublished observations (see text for additional details).
Fig. 2 in Ultrastructure of the Spermatozoa in the Spider Genus Pimoa: New Evidence for the Monophyly of Pimoidae plus Linyphiidae (Arachnida: Araneae)
Fig. 2. Pimoa altioculata. Male reproductive system, dorsal view. The highly coiled deferent ducts were partly unraveled during dissection. The testes are densely attached to each other.
Fig. 5. A in Ultrastructure of the Spermatozoa in the Spider Genus Pimoa: New Evidence for the Monophyly of Pimoidae plus Linyphiidae (Arachnida: Araneae)
Fig. 5. A. Pimoa altioculata. Cleistospermium in lumen of the deferent duct. B. Pimoa edenticulata. Coiled sperm cell in testis; arrows to the axoneme. C. Pimoa laurae. Coiled sperm cell in lumen of the testis; arrows to axoneme. D–E. Pimoa altioculata. Detail of the axoneme (D, cross section; E, longitudinal section). Abbreviations: AF, acrosomal filament; AV, acrosomal vacuole; Ax, axoneme; CA, centriolar adjunct; dC, distal centriole; Gly, glycogen; Me, membrane cisternae; Mi, mitochondria; N, nucleus; NC, nuclear canal; Sec, secretion; SSh, secretion sheath.
Fig. 4. A–C in Ultrastructure of the Spermatozoa in the Spider Genus Pimoa: New Evidence for the Monophyly of Pimoidae plus Linyphiidae (Arachnida: Araneae)
Fig. 4. A–C. Pimoa altioculata. Coiled sperm cells in lumen of the testis; arrow to electron-lucent part of the acrosomal vacuole (see also fig. 4D). D–E. Pimoa curvata. Cleistospermia in lumen of the deferent duct; arrows to electron-lucent part of the acrosomal vacuole. F. Pimoa laurae. Cleistospermium in lumen of the deferent duct. Abbreviations: AF, acrosomal filament; AV, acrosomal vacuole; Ax, axoneme; CA, centriolar adjunct; dC, distal centriole; Gly, glycogen; pC, proximal centriole; peN, postcentriolar elongation of the nucleus; N, nucleus; NC, nuclear canal; Sec, secretion; SSh, secretion sheath.
Fig. 1. Male habitus, dorsal view. A. Pimoa altioculata. B. Pimoa curvata. C. Pimoa laurae. D in Ultrastructure of the Spermatozoa in the Spider Genus Pimoa: New Evidence for the Monophyly of Pimoidae plus Linyphiidae (Arachnida: Araneae)
Fig. 1. Male habitus, dorsal view. A. Pimoa altioculata. B. Pimoa curvata. C. Pimoa laurae. D. Pimoa edenticulata.
Figs. 19–20. Oonops balanus. 19 in The Male Genital System of Goblin Spiders: Evidence for the Monophyly of Oonopidae (Arachnida: Araneae)
Figs. 19–20. Oonops balanus. 19. Horizontal section of the male opisthosoma. 20. Detail of the testis showing the different stages of spermatogenesis. Figs. 21–22. Stenoonops reductus. 21. Horizontal section of the male opisthosoma. 22. Detail of the testis showing the different stages of spermatogenesis.
Figs. 17–18. Orchestina moaba. 17 in The Male Genital System of Goblin Spiders: Evidence for the Monophyly of Oonopidae (Arachnida: Araneae)
Figs. 17–18. Orchestina moaba. 17. Horizontal section of the male opisthosoma. 18. Detail of the deferent duct showing the mature spermatozoa.
Figs. 23–25. Ascuta media. 23 in The Male Genital System of Goblin Spiders: Evidence for the Monophyly of Oonopidae (Arachnida: Araneae)
Figs. 23–25. Ascuta media. 23. Horizontal section of the male opisthosoma. 24. Horizontal section of the deferent duct showing the densely packed sperm cells. 25. Detail of the testis showing the different stages of spermatogenesis.
Figs. 13–14. Scaphiella hespera. 13 in The Male Genital System of Goblin Spiders: Evidence for the Monophyly of Oonopidae (Arachnida: Araneae)
Figs. 13–14. Scaphiella hespera. 13. Horizontal section of the male opisthosoma. 14. Detail of the testis showing the different stages of spermatogenesis. Figs. 15–16. Lionneta sp. 15. Horizontal section of the male opisthosoma. 16. Detail of the testis showing the different stages of spermatogenesis.
Figs. 9–10. Opopaea recondita. 9 in The Male Genital System of Goblin Spiders: Evidence for the Monophyly of Oonopidae (Arachnida: Araneae)
Figs. 9–10. Opopaea recondita. 9. Horizontal section of the male opisthosoma. 10. Detail of the testis showing the different stages of spermatogenesis. Figs. 11–12. Myrmopopaea sp. 11. Horizontal section of the male opisthosoma. 12. Detail of the testis showing the different stages of spermatogenesis.
ScienceDex guides
Understand access before you commit
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.