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”
Fig 16 in Diversity in the Globally Distributed Diatom Genus Chaetoceros (Bacillariophyceae): Three New Species from Warm-Temperate Waters
Fig 16. Lectotype material of C. lorenzianus from the Grunow Collection. A: Intercalary valves with oval-hexagonal aperture and some fusion of the basal parts of the setae. B: Intercalary seta poroids visible under the LM. Scale bars are 10 μm. doi:10.1371/journal.pone.0168887.g016
PLATE 7. Eunotia pseudoambivalens Q. Liu, S. L in New and Interesting Diatoms from the Shiwan Wetwalls, Yunnan Province, China. III. Valve ultrastructure of four new species of Eunotia (Bacillariophyceae: Eunotiales)
PLATE 7. Eunotia pseudoambivalens Q. Liu, S. L. Xie & Kociolek, sp. nov. Figures 51–59. Light microscope images showing size diminution series. Holotype population. Scale bar = 10 µm.
PLATE 6. Eunotia obtusisaculea Q. Liu, S. L in New and Interesting Diatoms from the Shiwan Wetwalls, Yunnan Province, China. III. Valve ultrastructure of four new species of Eunotia (Bacillariophyceae: Eunotiales)
PLATE 6. Eunotia obtusisaculea Q. Liu, S. L. Xie & Kociolek, sp. nov. Figures 43–50. Scanning electron microscope images. Figures 43–46, external views. Fig. 43. Whole valve view, showing thickened interstriae and blunt spines about the dorsal margin. Fig. 44. View of valve mantle near apex of the valve. Raphe is sinuous, dilated at the proximal end and barely extending onto the valve face. Fig. 45. View of mid-valve showing solid blunt spines on the dorsal margin. Thick interstriae separate striae which bear round occlusions. Fig. 46. Girdle view of a frustule near apex. Raphe branches can be seen on both valves. One valve possesses 10 cingulum elements, which all bear poroids. Figs. 47–50, internal views. Fig. 47. Whole valve. Striae occur in narrow troughs. Pseudosepta are present at the poles. Fig. 48. Valve apex, with helictoglossa and rimoportula present. Fig. 49. Mid-valve showing narrow troughs of the striae. Fig. 50. Apex of the valve.
PLATE 3. Eunotia sinensis Q. Liu, S. L in New and Interesting Diatoms from the Shiwan Wetwalls, Yunnan Province, China. III. Valve ultrastructure of four new species of Eunotia (Bacillariophyceae: Eunotiales)
PLATE 3. Eunotia sinensis Q. Liu, S. L. Xie & Kociolek, sp. nov. Figures 18–27. Light microscope images showing size diminution series. Holotype population. Scale bar = 10 µm.
PLATE 4. Eunotia sinensis Q. Liu, S. L in New and Interesting Diatoms from the Shiwan Wetwalls, Yunnan Province, China. III. Valve ultrastructure of four new species of Eunotia (Bacillariophyceae: Eunotiales)
PLATE 4. Eunotia sinensis Q. Liu, S. L. Xie & Kociolek, sp. nov. Figures 28–33. Scanning electron microscope images. Figures 28–30, external views. Fig. 28. Whole valve showing valve outline and distal raphe ends curing ca. ¼ of the way from the ventral margin towards dorsal margin. Figs 29, 30. Valve apices, with distal raphe end dilated slightly and curved onto the valve face. Areolae are occluded externally. Figures 31–33, internal views. Fig. 31. Whole valve, with pseudosepta present at each apex. Figs 32, 33, valve apices. Striae appear to be in continuous vertically-oriented troughs. Helictoglossa is short. The rimoportula is sessile, small.
PLATE 5. Eunotia obtusisaculea Q. Liu, S. L in New and Interesting Diatoms from the Shiwan Wetwalls, Yunnan Province, China. III. Valve ultrastructure of four new species of Eunotia (Bacillariophyceae: Eunotiales)
PLATE 5. Eunotia obtusisaculea Q. Liu, S. L. Xie & Kociolek, sp. nov. Figures 34–42. Light microscope images showing size diminution series. Holotype population. Scale bar = 10 µm.
PLATE 2. Eunotia yunnanica Q. Liu, S. L in New and Interesting Diatoms from the Shiwan Wetwalls, Yunnan Province, China. III. Valve ultrastructure of four new species of Eunotia (Bacillariophyceae: Eunotiales)
PLATE 2. Eunotia yunnanica Q. Liu, S. L. Xie & Kociolek, sp. nov. Figures 12–17. Scanning electron microscope images. Figures 12– 14, external views. Fig. 12. Whole valve showing thickened ridges between striae. Fig. 13. View of mid-valve showing striae multiseriate at the dorsal margin and onto the mantle, but uniseriate across the valve face. Fig. 14. Valve apex showing striae uniseriate on valve face and mantle. Distal raphe end curves ca. 1/3 of the way from the ventral margin towards the dorsal margin. Figs 15–17, internal views. Fig. 15. Whole valve view with pseudosepta present at apices. Fig. 16. Dorsal margin with striae multiseriate, becoming uniseriate across the valve face. Fig. 17. Valve apex showing pseudoseptum and helictoglossa.
PLATE 1. Eunotia yunnanica Q. Liu, S. L in New and Interesting Diatoms from the Shiwan Wetwalls, Yunnan Province, China. III. Valve ultrastructure of four new species of Eunotia (Bacillariophyceae: Eunotiales)
PLATE 1. Eunotia yunnanica Q. Liu, S. L. Xie & Kociolek, sp. nov. Figures 1–11. Light microscope images showing size diminution series. Holotype population. Scale bar = 10 µm.
FIGURES 1–40 in Achnanthidium guarulhense sp. nov. (Achnanthidiaceae, Bacillariophyta), a new diatom species from a Conservation Unit in Southeast Brazil
FIGURES 1–40. LM images of Achnanthidium guarulhense sp. nov. of the (UPCB 105117) holotype slide from Negro Lake, Guarulhos, state of São Paulo. 1–29. LM views of raphe valves. 30–37. LM views of rapheless valves. 38–40. LM of girdle view. LM scale bar = 10 μm.
FIGURES 41–49 in Achnanthidium guarulhense sp. nov. (Achnanthidiaceae, Bacillariophyta), a new diatom species from a Conservation Unit in Southeast Brazil
FIGURES 41–49. SEM images of Achnanthidium guarulhense sp. nov. of the (UPCB 105117) holotype slide from Negro Lake, Guarulhos, state of São Paulo. 41. SEM external view of raphe valve showing striation pattern, and axial and central areas. 42–44. SEM internal view of the raphe valve. 44. Note the detail of areolae occlusions. 45–46. SEM external view of the rapheless valve. 47. SEM internal view of the rapheless valve. 48–49. SEM showing the girdle view. SEM scale bar = 3 μm; 44 =1 μm; 46, 49 = 4 μm.
FIGURES 22–27 in Gomphonema supersaprophilum sp. nov., a new diatom species (Gomphonemataceae, Bacillariophyceae) from Flemish rivers (Belgium)
FIGURES 22–27. Gomphonema supersaprophilum Van de Vijver & E.Reichardt, sp. nov. SEM images taken from the holotype sample (BR-4831, Devebeek, Ingelmunster, Wet-Vlaanderen, Belgium, sample APM23-73). 22. SEM external view of an entire valve in oblique view showing the valve mantle. 23. SEM external detail of the central area showing the isolated pore (arrow) and the slit-like areolae. 24. SEM external detail of the footpole with the apical pore field bisected by the terminal raphe fissure. 25. SEM internal view of an entire valve. 26. SEM internal detail of the central area showing the isolated pore (arrow) and the hooked central raphe endings. Note the reduced silica struts. 27.SEM internal detail of the footpole with the helictoglossa. Scale bars = 10 µm (Figs 22, 25) = 1 µm (Figs 23, 24, 26, 27).
FIGURES 35–48 in Taxonomic studies of the diatom genus Halamphora (Bacillariophyceae) from the mountainous regions of southwest China, including the description of two new species
FIGURES 35–48. Halamphora elongata, LM. Valve views showing size diminution series. Scale bars = 10 μm for all figures.
FIGURES 20–34 in Taxonomic studies of the diatom genus Halamphora (Bacillariophyceae) from the mountainous regions of southwest China, including the description of two new species
FIGURES 20–34. Halamphora hezhangii, sp. nov. 20–27. LM. Valve views showing size diminution series. Figure 24 is of the holotype. Scale bars = 10 μm for all LM figures. 28–34. SEM. 28, 30–32. External views. 28. Entire valve showing shape of the valve. 30. Show of dash–like areolae composed of biseriate, which distinctly in several rows of axial areolae near the raphe ledge. 31. View of central area with curved proximal raphe. 32. View of curved distal raphe end. 29, 33, 34. Internal views. 29. Entire valve view. 33. Central area with a narrow central helictoglossae. 34. View of valve end, with curved distal raphe ends and helictoglossa. Scale bars show in each SEM figure.
FIGURES 17–19 in Taxonomic studies of the diatom genus Halamphora (Bacillariophyceae) from the mountainous regions of southwest China, including the description of two new species
FIGURES 17–19. Halamphora subfontinalis, sp. nov. SEM. 17. External view of the frustule. 18. View of central area with numerous girdle bands. 19. View of frustule end, each girdle band with two rows of round poroids. Scale bars show in each SEM figure.
FIGURES 55–65. Halamphora submontana. 55–59 in Taxonomic studies of the diatom genus Halamphora (Bacillariophyceae) from the mountainous regions of southwest China, including the description of two new species
FIGURES 55–65. Halamphora submontana. 55–59. LM. Valve views showing size diminution series. Scale bars = 10 μm for all LM figures. 60–65. SEM. 60, 62, 64. External views. 60. Entire valve showing shape of the valve. 62. View of curved proximal raphe and biseriate dorsal striae beneath the raphe ledge. 64. View of curved distal raphe end. 61, 63, 65. Internal views. 61. Entire valve view. 63. Central area with a narrow central helictoglossae. 65. View of valve end, with curved distal raphe ends and helictoglossa. Scale bars shown in each SEM figure.
FIGURES 1–16 in Taxonomic studies of the diatom genus Halamphora (Bacillariophyceae) from the mountainous regions of southwest China, including the description of two new species
FIGURES 1–16. Halamphora subfontinalis, sp. nov. 1–9. LM. Valve views showing size diminution series. Figure 1 is of the holotype. Scale bars = 10 μm for all LM figures. 10–16. SEM. 10, 12, 13, 15, external views. 10. Entire valve showing shape of the valve. 12, 13. View of central area with curved proximal raphe, as well as raphe ledge (see arrows). 15. View of valve end with curved raphe end. 11, 14, 16, internal views. 11. Entire valve view. 14. Central area with evident thickened central virgae. 16. View of valve end, with helictoglossa. Scale bars show in each SEM figure.
FIGURES 78–90. 78–81 in Taxonomic studies of the diatom genus Halamphora (Bacillariophyceae) from the mountainous regions of southwest China, including the description of two new species
FIGURES 78–90. 78–81. Halamphora tenella. LM. 82. Halamphora dusenii. LM. 83–86. Halamphora sp. 1. LM. 87–89. Halamphora sp. 2. LM. 90. Halamphora sp. 3. Scale bars = 10 μm for all LM figures.
FIGURES 49–54. H. elongata. SEM. 49, 51, 53. External views. 49 in Taxonomic studies of the diatom genus Halamphora (Bacillariophyceae) from the mountainous regions of southwest China, including the description of two new species
FIGURES 49–54. H. elongata. SEM. 49, 51, 53. External views. 49. Entire valve showing shape of the valve. 51. View of central area with proximal raphe ends curved towards the dorsal margin. 53. View of valve end with curved raphe end. 50, 52, 54. Internal views. 50. Entire valve view. 52. Central area with evident thickened virgae. 54. View of valve end, with prominent helictoglossa. Scale bars shown in each figure.
FIGURES 11–13 in Stauroneis kingstonii sp. nov. (Bacillariophyta: Naviculales), a new diatom species from the Black Swamp, Arkansas, USA
FIGURES 11–13. SEM images of Stauroneis kingstonii. Fig. 11. Internal view of an entire valve. Scale bar = 10 μm. Fig. 12. Internal valve view showing thickened stauros, longitudinal ribs of raphe sternum, and slightly deflected proximal raphe ends. Scale bar = 10 μm. Fig. 13. Internal valve view showing distal raphe end deflected into a helictoglossum, striae comprising single rows of areolae that are each occluded by a hymene. Scale bar = 5 μm.
FIGURE 10 in Stauroneis kingstonii sp. nov. (Bacillariophyta: Naviculales), a new diatom species from the Black Swamp, Arkansas, USA
FIGURE 10. Raphe features of Stauroneis kingstonii; lateral raphe branch and broad axial area, proximal raphe ends nearly straight, and distal raphe ends sickle-shaped. Scale bar = 10 μm.
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.