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.
17
datasets available to search
ShareScore release 0.9.0
Dataset results
17 results for “Staurosirella”
FIGURES 1–15 in An unusual freshwater diatom with bilobate ends from the Mid-Miocene of East Antarctica: Staurosirella tigris sp. nov. (Fragilariaceae, Bacillariophyta)
FIGURES 1–15. Staurosirella tigris sp. nov., LM pictures taken from the holotype population (sample WD 19, BR-4689). 1. Frustule in girdle view. 2–15. Several valves in valve face view in decreasing valve length. Fig. 15 most likely represents a teratological valve. Scale bar = 10 µm.
FIGURES 16–20 in An unusual freshwater diatom with bilobate ends from the Mid-Miocene of East Antarctica: Staurosirella tigris sp. nov. (Fragilariaceae, Bacillariophyta)
FIGURES 16–20. Staurosirella tigris sp. nov., SEM pictures taken from the holotype population (sample WD 19, BR-4689). 16. External view of an entire valve. 17. External detail of the valve margin showing the conical spines with hollow bases and the linear areolae. 18. External detail of the apical pore fields. 19. Internal detail showing part of the valvocopula and the copulae. 20. Internal detail of a valve apex showing the apical pore fields and some vimines with small or remnant volae. Scale bars = 10 µm (Figs 16, 19), 5 µm (Figs 18, 20), 1 µm (Fig. 17).
FIGURES 80–83 in Two new Staurosirella species (Staurosiraceae, Bacillariophyta) observed in an historic Rabenhorst sample
FIGURES 80–83. Staurosirella neopinnata Morales et al. SEM images taken from Rabenhorst sample 1441 (Casaccio, Switzerland). 80. SEM external view of part of a frustule in girdle view with the closed valvocopula still attached. 81, 82 SEM external views of two entire valves. 83. SEM internal view of an entire valve. Scale bars = 10 µm.
FIGURES 74–79 in Two new Staurosirella species (Staurosiraceae, Bacillariophyta) observed in an historic Rabenhorst sample
FIGURES 74–79. Staurosirella minutissima Van de Vijver sp. nov. SEM images taken from the holotype material (BR-4712, Rabenhorst sample 1441, Casaccio, Switzerland). 74. External view of an entire valve in valve face view. The girdle bands are still attached to the valves. External view of an entire frustule showing the open valvocopula and the numerous copulae. 76. External view of an entire valve in oblique position showing the continuous structure of the striae and the double spines per virga. Note also the rapidly narrowing striae on the mantle and the large abvalvar hyaline mantle edge. 77. SEM external and internal view of two entire valves. 78. SEM external view of an entire valve. Note the presence of the double spines per virga and the small apical pore fields. 79. SEM internal view of an entire valve. Scale bars = 5 µm (Figs 74–76, 78–79), 10 µm (Fig 77).
FIGURES 1–68 in Two new Staurosirella species (Staurosiraceae, Bacillariophyta) observed in an historic Rabenhorst sample
FIGURES 1–68. Light micrographs of three Staurosirella species observed in Rabenhorst sample 1441. 1–30. Staurosirella coutelasiana Van de Vijver sp. nov. LM views of the population arranged in decreasing length. Fig. 1. represents a frustule in girdle view. 31–51. Staurosirella minutissima Van de Vijver, sp. nov. LM views of the population arranged in decreasing length. Figs 31 and 32 represent frustules in girdle view, either in pairs (31) or solitary (32). 52 represents a possible valvocopula. 52–68. Staurosirella neopinnata E.Morales et al. LM views of the population arranged in decreasing length. 68. Represents two frustules in girdle view. Scale bars = 10 µm.
FIGURES 69–73 in Two new Staurosirella species (Staurosiraceae, Bacillariophyta) observed in an historic Rabenhorst sample
FIGURES 69–73. Staurosirella coutelasiana Van de Vijver sp. nov. SEM images taken from the holotype material (BR-4711, Rabenhorst sample 1441, Casaccio, Switzerland). 69–71. Three external views of an entire valve. Note the presence of the irregular marginal spines and the rather well-developed apical pore field at each apex. The virgae and sternum are clearly raised with the striae as punch-holes. 72. External view of the open valvocopula showing fimbriae. 73. SEM internal view of an entire valve. Scale bars = 10 µm.
FIGURES 4–15. Fragilaria rhombus. 4–7 in Staurosirella rhombus (Ehrenberg), Ognjanova-Rumenova, Buczkó, Wojtal & R. Jahn, comb. nov.-Typification, morphology and biostratigraphic significance
FIGURES 4–15. Fragilaria rhombus. 4–7. Drawings and light microscopy documentation of F. rhombus in the original Ehrenberg's slides. 8–15. Staurosirella rhombus (Ehrenb.) Ognjanova-Rumenova, Buczkó, Wojtal & R. Jahn from materials #2847, Jastrabá Kieselgur (present study), LM. Figs. 8, 9 and 11–13 represent the same valvae at different focus, showing details of their ornamentation.
FIGURES 16–22. Staurosirella rhombus, SEM. 16, 17 in Staurosirella rhombus (Ehrenberg), Ognjanova-Rumenova, Buczkó, Wojtal & R. Jahn, comb. nov.-Typification, morphology and biostratigraphic significance
FIGURES 16–22. Staurosirella rhombus, SEM. 16, 17. External view of valves showing features of valve outline, sternum, striae and spines. 18, 19. Apical pore fields. 20. Striae structures. 21. Ribbon like colony. Note the number and the width of the girdle bands. 22. The diffusely branched spines. Scale bars = 1μm (Figs. 18, 19, 20, 22), 5 μm (Figs. 16, 17), 10 μm (Fig. 21).
FIGURES 26–29 in Staurosirella rhombus (Ehrenberg), Ognjanova-Rumenova, Buczkó, Wojtal & R. Jahn, comb. nov.-Typification, morphology and biostratigraphic significance
FIGURES 26–29. Staurosirella rhombus, SEM. Internal view of valves showing broader costae than striae, structure of the striae and the apical pore field. Scale bars = 5 μm (Figs. 27, 29), 10 μm (Figs. 26, 28).
FIGURES 1–3. Original C.G in Staurosirella rhombus (Ehrenberg), Ognjanova-Rumenova, Buczkó, Wojtal & R. Jahn, comb. nov.-Typification, morphology and biostratigraphic significance
FIGURES 1–3. Original C.G. Ehrenberg material and micas from the Ehrenberg Collection deposited in the Natural History Museum, Humbolt University in Berlin (BHUPM). 1. Raw materials #2847, Jastrabá Kieselgur. 2. Ehrenberg's original slides 440101–440109. 3. Ehrenberg's original drawing 'Zeichenblatt #2423'.
FIGURES 23–25 in Staurosirella rhombus (Ehrenberg), Ognjanova-Rumenova, Buczkó, Wojtal & R. Jahn, comb. nov.-Typification, morphology and biostratigraphic significance
FIGURES 23–25. Staurosirella rhombus, SEM. Ribbon like colonies of valves in a girdle view. 23. Two frustules joined by the spines. Note the several girdle bands in each individual and the larger valvocopulae than the rest of the elements. Scale bars = 5 μm (Fig. 25), 10 μm (Figs. 23, 24).
Figures 1–18 in Staurosirella eruciformis, a new Staurosirella (Bacillariophyta) species from a historic sample from Scotland, UK
Figures 1–18. Staurosirella eruciformis Van de Vijver sp. nov. LM and SEM images taken from the holotype sample (BR-4785, Hawthorden, Scotland, UK, Walker Arnott sample WA245). 1–14. LM views of the population arranged in decreasing length. 15–17. Three SEM external views of an entire valve. Note the presence of the irregular groups of marginal spines and the rather well-developed apical pore field at each apex. The virgae and sternum are clearly raised with the striae as punch-holes. 18. SEM internal view of an entire valve. Scale bars = 10 µm.
FIGURES 2–38 in Staurosirella paranaensis sp. nov., a new epiphytic freshwater diatom (Bacillariophyceae) from the Paraná River floodplain, Brazil, South America
FIGURES 2–38. LM. Staurosirella paranaensis sp. nov. from type material. 2–34. LM. 2–9, 13–34. Valve view. 10–12. Girdle view. 35– 38. SEM–External view. Valve views depicting characteristics of the central narrow sternum, striae, and apical pore fields. Vimines long and narrow becoming shorter toward the sternum. Striae running uninterrupted from valve face to mantle, with areolae slit-like. 36–37. Apical pore fields. Broken spines suggesting initially hollow then becoming a solid structure. LM scale bar 10 μm, in SEM the scale bars are identified in the images. Figure 21* indicates the holotype specimen.
FIGURES 39–44 in Staurosirella paranaensis sp. nov., a new epiphytic freshwater diatom (Bacillariophyceae) from the Paraná River floodplain, Brazil, South America
FIGURES 39–44. SEM. Staurosirella paranaensis sp. nov. from type material. 39–41. Girdle view of a complete frustule showing wider valvocopulae still attached to both valves. 42. Union of two valves by spines and formation of colonies. 43. Spines detail showing solid spines and an apically elongated structure with a lamina that becomes spatulate with two prominences in shape at the top. 44. View of the spine's junction of copula, spines terminating near or over the neighboring valve areolae. Scale bars are identified in the SEM images.
Figures 1–18 in Staurosirella eruciformis, a new Staurosirella (Bacillariophyta) species from a historic sample from Scotland, UK
Figures 1–18. Staurosirella eruciformis Van de Vijver sp. nov. LM and SEM images taken from the holotype sample (BR-4785, Hawthorden, Scotland, UK, Walker Arnott sample WA245).
FIGURE 1 in Staurosirella paranaensis sp. nov., a new epiphytic freshwater diatom (Bacillariophyceae) from the Paraná River floodplain, Brazil, South America
FIGURE 1. Map of the location of Garças Lagoon in the Upper Paraná River floodplain, Brazil.
FIGURES 45–50 in Staurosirella paranaensis sp. nov., a new epiphytic freshwater diatom (Bacillariophyceae) from the Paraná River floodplain, Brazil, South America
FIGURES 45–50. SEM. Staurosirella paranaensis sp. nov. from type material. 45–50. Internal view. 47. Virgae doubly flared, internally, axial area and virgae are raised leaving the striae in depressions. 48–50. Volae branched and originated from the sides of the areolae projected towards the valve interior. Scale bars are identified in the SEM images.
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.