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.
485
datasets available to search
ShareScore release 0.9.0
Dataset results
485 results for “new diatom species”
FIGURES 15–22. Gomphonema shanghaiensis, SEM. External view. 15–20 in Gomphonema shanghaiensis sp. nov., a new diatom species (Bacillariophyta) from a river in Shanghai, China
FIGURES 15–22. Gomphonema shanghaiensis, SEM. External view. 15–20. Centre of valve exterior of six different specimens. Slightly expanded and dilated proximal raphe ends, striae composed of "C" shaped or round areolae. 21. External view of the headpole with the external distal raphe end curving onto the valve mantle. 22. Exterior of valve showing the deflected apical end of raphe and rounded porelli. Scale bars = 2 μm (Figs 15–21) and 1μm (Fig. 22).
FIGURES 5–10 in A new species of nanoplanktonic diatom: Thalassiosira catharinensis (Bacillariophyceae) from Southern of Brazil
FIGURES 5–10. Thalassiosira catharinensis. SEM, external views. Rimoportula and fultoportulae are indicated with white arrows. 5. Frustule in external view showing part of the internal view at right hand side. Note the valvocopula with a row of pores at the advalvar edge (*) and areolae with external foramina. The small and shallow internal rimoportula opening is indicated by a black arrow. 6. External view of a frustule showing short external fultoportulae tubes (black arrows). Note the fultoportulae and rimoportula tubes openings in different directions (white arrow). 7. Another valve showing fultoportulae and rimoportula external tubes located next to each other and at the same level. 8. Valve showing fultoportulae and rimoportula tubes openings in distinct directions and a valvocopula with a row of pores at the advalvar edge (*). 9. Valve partially covered by mucilage showing fultoportulae and rimoportula external tubes located next to each other and at the same level. 10. Part of a valve showing fultoportulae and rimoportula tubes openings in different directions. Scale bars: 1 μm.
FIGURES 1–4 in A new species of nanoplanktonic diatom: Thalassiosira catharinensis (Bacillariophyceae) from Southern of Brazil
FIGURES 1–4. Thalassiosira catharinensisin LM images. Figs 1–2. Valves views. Figs 3–4. Group of frustules. Scale bars: 5μm
FIGURES 11–14. Thalassiosira catharinensis. SEM, internal views. Rimoportula indicated with a white arrow. 11. Internal view showing fultoportulae with three satellite pores. 12. Internal general view showing a in A new species of nanoplanktonic diatom: Thalassiosira catharinensis (Bacillariophyceae) from Southern of Brazil
FIGURES 11–14. Thalassiosira catharinensis. SEM, internal views. Rimoportula indicated with a white arrow. 11. Internal view showing fultoportulae with three satellite pores. 12. Internal general view showing a rimoportula located next to a fultoportula with three satellite pores. 13. Detail of the central fultoportula with three satellite pores. 14. Part of a valve showing in detail central and marginal fultoportulae with three satellite pores. A small and shallow rimopotula is located at the same level than the marginal fultoportula. Scale bars: Figs 11–12, 14 = 1 μm, Fig. 13 = 500nm. FIGURE 15. Thalassiosira minima. SEM, internal view showing two central fultopotulae with three satellite pores and marginal fultoportulae with four satellite pores. Note the internal rimportula opening (white arrow) not aligned with the marginal fultoportulae ring. Scale bar: 1 μm
FIGURES 24–29 in Encyonema bonapartei sp. nov.: a new freshwater diatom species (Cymbellales, Bacillariophyceae) in canals of Great East region (France)
FIGURES 24–29. Encyonema bonapartei SEM views (type material from Sampigny). 24. Valve in external view. 25. Valve in internal view. 26. Close up on proximal raphe endings in external view. 27. Close-up of proximal raphe endings in internal view. 28. Close-up of apex in external view. 29. Close-up of apex in internal view showing distal raphe fissure ending in helictoglossae. Scale bars = 2 μm.
FIGURE 1 in Encyonema bonapartei sp. nov.: a new freshwater diatom species (Cymbellales, Bacillariophyceae) in canals of Great East region (France)
FIGURE 1. Sampling sites (black triangle) in Great East region (France) where Encyonema bonapartei has been recorded, with the location of type locality (black star).
FIGURES 1–31 in Diatomella colonialis, a new diatom species (Bacillariophyta) from the sub-Antarctic Region
FIGURES 1–31. Diatomella colonialis sp. nov. Light microscopy views. Holotype population from Iles Kerguelen (sample Port Bizet). 1–3. Initial valves. 4–25. Valve views showing the broad range of valve dimensions. 26–29. Observations on scalariform valvocopulae. 30-31. Two colonies with frustules connected by linking spines. Scale bar represents 10 μm.
FIGURES 32–38 in Diatomella colonialis, a new diatom species (Bacillariophyta) from the sub-Antarctic Region
FIGURES 32–38. Diatomella colonialis sp. nov. SEM views taken from the holotype population from Iles Kerguelen (sample Port Bizet). 32. SEM of a long chain with several frustules connected by their linking spines. 33. SEM of an entire frustule in girdle view showing the structure and composition of the girdle (VC = valvocopula, C1–C3 = copula 1 to 3). The arrows indicate plaques and the granular surface structure. 34. SEM external valve face view. Note the presence of marginal linking spines and the reduced raphe structure. 35. SEM external valve face view of an entire valve lacking marginal spines. 36. SEM internal valve face view of an entire valve showing the large silica plate covering almost the entire valve interior. 37. SEM internal detail of half a valve showing the reduced internal raphe branch and the alveolate structure of the striae. 38. SEM view of a scalariform valvocopula. Scale bar represents 10 μm.
FIGURES 2–17 in Sellaphora davoutiana sp. nov.: a new freshwater diatom species (Sellaphoraceae, Bacillariophyta) in lakes of Northeastern France
FIGURES 2–17. Sellaphora davoutiana (type material from Lispach Lake at La Bresse). Figs 2–13. LM valve views. Holotype depicted on Fig. 5. Scale bar = 10 μm. Figs 14–17. SEM views. 14. Valve in external view. 15. Valve in internal view. 16. Close up on apex showing distal raphe fissure ending in helictoglossae. 17. Valve in external view showing distal raphe ending on the mantle. Scale bars = 2 μm.
FIGURE 1 in Sellaphora davoutiana sp. nov.: a new freshwater diatom species (Sellaphoraceae, Bacillariophyta) in lakes of Northeastern France
FIGURE 1. Sampling sites (black triangle) in Grand Est region (France) where Sellaphora davoutiana has been recorded, with the location of type locality (black star).
FIGURES 18–33 in Sellaphora davoutiana sp. nov.: a new freshwater diatom species (Sellaphoraceae, Bacillariophyta) in lakes of Northeastern France
FIGURES 18–33. Adlafia detenta comb. nov. (Hustedt Collection, Lectotype E1330, Davos, Schweiz 230, Unterer Grialetschsee, Grund, 2.10.1932). Figs 18–30. LM views. Original drawing from Hustedt in Schmidt et al. (1934, pl. 400, figs 93–95) here reproduced as Figs 18–20. Scale bar = 10 μm. Figs 31–33. SEM views. 31–32. Valve in external view. 33. Close up on apex showing distal raphe fissure ending. Note the typical stria divergence of the genus Adlafia (arrow). Scale bars = 2 μm.
FIGURES 36–39 in Cocconeis kurakakea, a new diatom species from Nukutavake (Tuamotu Archipelago, South Pacific): description and comparison with C. diruptoides and C. pseudodiruptoides
FIGURES 36–39. SEM micrographs of Cocconeis kurakakea: the type population on Nukutavake (sample NTV A1), SV internal views. Fig. 36. Entire valve with sigmoid raphe. Fig. 37. Detail of the central area with an asymmetric short fascia (arrowhead). Fig. 38. Details of an apex, with bent terminal raphe ending and smooth edge of the RVVC (arrowhead). Fig. 39. Round small RV areolae with short slits (arrowhead). Scale bars = 2 μm (36), 1 μm (37–38), 600 nm (39).
FIGURES 4–13 in Cocconeis kurakakea, a new diatom species from Nukutavake (Tuamotu Archipelago, South Pacific): description and comparison with C. diruptoides and C. pseudodiruptoides
FIGURES 4–13. LM micrographs of Cocconeis kurakakea: the type population on Nukutavake (sample NTV A1). Figs 4–8. RVs with the asymmetrical small fascia (arrowheads). Figs 9–13. SVs with a decussate pattern. Scale bar = 10 μm.
FIGURES 28–35 in Cocconeis kurakakea, a new diatom species from Nukutavake (Tuamotu Archipelago, South Pacific): description and comparison with C. diruptoides and C. pseudodiruptoides
FIGURES 28–35. SEM micrographs of Cocconeis kurakakea: the type population on Nukutavake (sample NTV A1), raphe valve (RV) external views. Figs 28–29. RVs (raphe valves) with sigmoid raphe and multiple cingular bands. Figs 30–32. Detail of the RV central area with an asymmetric short fascia (30 arrow), and a marginal row of longer areolae (32 arrowheads). Fig. 33. Apex with the terminal raphe ending. Fig. 34. Open RV valvocopula (RVVC) without fimbriae (arrowheads), and cingulum with 4 bands (numbered). Fig. 35. RV areola hymenes with radiate slits. Scale bars = 2 μm (28–29), 1 μm (30–33), 700 nm (34), 100 nm (35).
FIGURES 2–3 in Cocconeis kurakakea, a new diatom species from Nukutavake (Tuamotu Archipelago, South Pacific): description and comparison with C. diruptoides and C. pseudodiruptoides
FIGURES 2–3. Micrographs (LM) of Cocconeis kurakakea: type population on Nukutavake (sample NTV A1). Fig. 2. Represents the SV (sternum valve). Fig. 3. Shows the RV (raphe valve) on the same frustule. Designated as the illustration of the holotype. Scale bar = 10 μm.
FIGURES 45–51 in Cocconeis kurakakea, a new diatom species from Nukutavake (Tuamotu Archipelago, South Pacific): description and comparison with C. diruptoides and C. pseudodiruptoides
FIGURES 45–51. SEM micrographs of Cocconeis pseudodiruptoides Foged: Nukutavake (sample NTV A1). Figs 45–46. SV external views with narrow fascia up to the margins and sigmoid sternum. Fig. 47. Detail of the complex loculi in external view. Fig. 48. Detail of the complex loculi in internal view. Fig. 49. SV internal view with sigmoid sternum and one marginal areola on one side of the fascia (arrowhead). Fig. 50. Internal view of the RV with strongly sigmoid raphe, and a narrow fascia, slightly oblique, reaching the margins (arrowhead), note the large areolae in quincunx on the entire valve. Fig. 51. Open SVVC with short fimbriae (arrowhead). Scale bars = 7 μm (51), 5 μm (45), 4 μm (46), 3 μm (49–50), 700 nm (47–48).
FIGURE 1 in Cocconeis kurakakea, a new diatom species from Nukutavake (Tuamotu Archipelago, South Pacific): description and comparison with C. diruptoides and C. pseudodiruptoides
FIGURE 1. The Tuamotu Archipelago (South Pacific) with the location of the atoll of Nukutavake. Location of the sample NTV A1.
FIGURES 40–44 in Cocconeis kurakakea, a new diatom species from Nukutavake (Tuamotu Archipelago, South Pacific): description and comparison with C. diruptoides and C. pseudodiruptoides
FIGURES 40–44. Illustrations of several similar taxa discussed in the present paper (e.g., original illustrations and type material illustration). Fig. 40. Cocconeis diruptoides Hustedt original illustration in Hustedt (1933–1959: fig. 810). Fig. 41. Cocconeis diruptoides sensu Giffen (1971: figs 21–22). Fig. 43. Cocconeis pseudodiruptoides Foged original illustration in Foged (1975: pl. 11, figs 8–11). Fig. 44. Cocconeis pseudodiruptoides Foged illustrated from the type slide Pla 62a (in C). Fig. 42. Cocconeis sp. in A. Schmidt (1874–1959: pl. 198, fig. 8). Scale bars = 10 μm.
FIGURES 14–20 in Cocconeis kurakakea, a new diatom species from Nukutavake (Tuamotu Archipelago, South Pacific): description and comparison with C. diruptoides and C. pseudodiruptoides
FIGURES 14–20. SEM micrographs of Cocconeis kurakakea: the type population on Nukutavake (sample NTV A1), SV external views. Fig. 14. Entire SV showing (arrowhead) the open SVVC (sternum valve valvocopula). Fig. 15. Corroded valve with the decussate pattern of areolae and a marginal row of longer areolae, also showing the SV sternum with thickenings (arrows). Fig. 16. Entire SV with short marginal striae (arrowheads). Fig. 17. Detail of the SV apex and open SVVC (arrowhead). Fig. 18. Cingulum with 4 open bands (numbered bands). Fig. 19. SV apex and open SVVC (arrowheads). Fig. 20. Corroded SV areolae with remaining hymen edge (arrowhead). Scale bars = 3 μm (14–15), 2 μm (16), 1 μm (17), 400 nm (18–19), 200 nm (20).
FIGURES 21–27 in Cocconeis kurakakea, a new diatom species from Nukutavake (Tuamotu Archipelago, South Pacific): description and comparison with C. diruptoides and C. pseudodiruptoides
FIGURES 21–27. SEM micrographs of Cocconeis kurakakea: the type population on Nukutavake (sample NTV A1), SV internal views. Fig. 21. Entire SV with SV sternum thickenings and decussate areola pattern with oblong foramina. Fig. 22. SV valvocopula (SVVC) partially detached (arrow). Fig. 23. Open SVVC without fimbriae (arrow). Fig. 24. Apex with the SVVC irregular edge lying on the virgae (arrow). Fig. 25. SV margin with sort of funnel (arrow) opening by pores (arrowhead). Fig. 26. Areolae, internal oblong foramina (arrow), and hymenes located on the valve face (arrowhead). Fig. 27. SVVC open (arrowheads). Scale bars = 3 μm (22–23) 2 μm (21), 700 nm (27), 600 nm (24), 400 nm (25), 300 nm (26).
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.