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485 results for “new diatom species”
FIGURE 1 in Sellaphora jiuzhaienis sp. nov. (Bacillariophyceae)-A new diatom species from Jiuzhaigou National Nature Reserve, China
FIGURE 1. Map of Jiuzhaigou National Nature Reserve and location of the study sites (1= Rhinoceros Lake, 2=Long Lake, 3= Arrow Bamboo Lake, 4= Mirror Lake, 5= The Peacock Riverbed, and 6= Reed Lake)
FIGURES 35–39 in Sellaphora jiuzhaienis sp. nov. (Bacillariophyceae)-A new diatom species from Jiuzhaigou National Nature Reserve, China
FIGURES 35–39. Sellaphora jiuzhaienis sp. nov. Scanning electron microscopy (SEM). Fig. 35. Internal view of entire valve. Figs 36, 39. Internal view of half of the valve. Fig. 37. Detailed internal view of the valve centre. Fig. 38. Internal view of valve apex (white arrow indicates dome-shaped hymens), Scale bar = 5 μm (35), 2 μm (36–39).
FIGURES 29–34 in Sellaphora jiuzhaienis sp. nov. (Bacillariophyceae)-A new diatom species from Jiuzhaigou National Nature Reserve, China
FIGURES 29–34. Sellaphora jiuzhaienis sp. nov. Scanning electron microscopy (SEM). Figs 29–31. External view of entire valve. Figs 32, 33. External view of half of the valve. White arrow indicates narrow grooves surrounding the conopeum. Fig. 34. Detailed external view of the valve centre (white arrow indicates narrow grooves surrounding the conopeum). Scale bar = 5 μm (29–31), 2 μm (32–34).
FIGURE 1 in New diatom species Diploneis zhui sp. nov. from Jiuzhaigou National Nature Reserve, China
FIGURE 1. Map of Jiuzhaigou National Nature Reserve and location of the study sites (1= Rhinoceros Lake, 2=Long Lake, 3= Arrow Bamboo Lake, 4= Mirror Lake, 5= The Peacock Riverbed, and 6= Reed Lake).
FIGURES 26–30 in New diatom species Diploneis zhui sp. nov. from Jiuzhaigou National Nature Reserve, China
FIGURES 26–30. Diploneis zhui sp. nov. Scanning electron microscopy. Figs 26, 27. External view of the entire valve. Figs 28, 30. External view of the middle of the valve. Fig. 29. Detailed external view of the valve end. Scale bar = 5 μm (26, 27), 2 μm (28–30).
FIGURES 31–35 in New diatom species Diploneis zhui sp. nov. from Jiuzhaigou National Nature Reserve, China
FIGURES 31–35. Diploneis zhui sp. nov. Scanning electron microscopy. Figs 31, 32. Internal view of the entire valve. Figs 33. Internal view of half of the valve. Fig. 34. Detailed internal view of the valve end. Fig. 35. Detailed internal view of the valve centre. Scale bar = 5 μm (31, 32), 2 μm (33–35).
FIGURES 2–25 in New diatom species Diploneis zhui sp. nov. from Jiuzhaigou National Nature Reserve, China
FIGURES 2–25. Diploneis zhui sp. nov. Light microscopy. Valve size diminution series. Scale bar = 10 μm.
FIGURES 15–20 in Cymbella alexandrovichii sp. nov. (Cymbellaceae, Bacillariophyceae), a new cymbelloid diatom species with predominantly biseriate striae from South-East Asia
FIGURES 15–20. Cymbella alexandrovichii sp. nov. SEM, type material, sample no. 01612. Internal valve surface. 15. The whole valve, note that the interstriae wider than striae (white arrows). 16–17. Details of the central areae, note the closed terminal nodule (16–17, black arrows); interstriae wider than striae (16, white arrows); rounded or elongated stigmata openings, surrounded by fine ingrowths from their perimeter (16–17, white arrowheads). 18. Internal structure of striae, note the Voigt discontinuity (18, white arrow). Alveolate striae are located in depressions between interstriae (virgae) (18, black arrows) and occlusions are absent. 19–20. Details of the apices, note the APFs (19–20, black arrows); helictoglossa (19–20, black arrowheads); the interstriae that are narrower than striae (19–20, white arrows). Scale bars = 5 µm (Fig. 15), 2 µm (Fig. 16), 1 µm (Figs 17–20).
FIGURES 1–8 in Cymbella alexandrovichii sp. nov. (Cymbellaceae, Bacillariophyceae), a new cymbelloid diatom species with predominantly biseriate striae from South-East Asia
FIGURES 1–8. Cymbella alexandrovichii sp. nov. LM, DIC, type material, slide no. 01612. Fig. 2 represents the holotype. 1–6. Size diminution series. 7. Details of the central area. 8. Details of the valve end. Scale bars = 10 μm (Figs 1–6), 2 μm (Figs 7–8).
FIGURES 9–14 in Cymbella alexandrovichii sp. nov. (Cymbellaceae, Bacillariophyceae), a new cymbelloid diatom species with predominantly biseriate striae from South-East Asia
FIGURES 9–14. Cymbella alexandrovichii sp. nov. SEM, type material, sample no. 01612. External valve surface. 9. The whole valve, note the slightly widened central branches of the raphe (white arrowheads); terminal raphe fissure (black arrowhead); Voigt discontinuities (black arrow). 10–12. Details of the central area, note the slightly widened central branches of the raphe (10, white arrowheads); biseriate (10, black arrowheads) and uniseriate striae (11, white arrowheads) with single slit-like (12, white arrows) or round (11–12, white arrowheads) areolae; ventral stigmata (10–11, black arrows). 13–14. Details of the apices, note the terminal raphe fissure (13, black arrowhead); biseriate striae on the valve mantle (13–14, black arrows); apical pore field (13–14, white arrowhead). Scale bars = 10 µm (Fig. 9), 2 µm (Figs 10, 12), 1 µm (Figs 11, 13–14).
FIGURES 12–15 in Taxonomy and valve ultrastructure of new and interesting freshwater fossil diatoms (Bacillariophyta) of Miocene age from the Espanola Formation of New Mexico, U.S.A. II. Description of a New Grunowia species with comments on the genus
FIGURES 12–15. Grunowia mannii Kociolek & Danz sp. nov. SEM. Valve interior. 12–14. Entire valves, showing differences in valve shape relative to length. Large fibulae and large portules over the raphe canal are evident. 15. View of central nodule showing small, helictoglossa-like center and discontinuous raphe branch. Scale bars = 5 µm (Fig. 12), 4 µm (Fig. 13), 3 µm (Fig. 14), 1 µm (Fig. 15).
FIGURES 1–7 in Taxonomy and valve ultrastructure of new and interesting freshwater fossil diatoms (Bacillariophyta) of Miocene age from the Espanola Formation of New Mexico, U.S.A. II. Description of a New Grunowia species with comments on the genus
FIGURES 1–7. Grunowia mannii Kociolek & Danz sp. nov. LM. Size diminution series. Fig. 1 represents an initial valve. The holotype is presented in fig. 4. Scale bar = 10 µm.
FIGURES 8–11 in Taxonomy and valve ultrastructure of new and interesting freshwater fossil diatoms (Bacillariophyta) of Miocene age from the Espanola Formation of New Mexico, U.S.A. II. Description of a New Grunowia species with comments on the genus
FIGURES 8–11. Grunowia mannii Kociolek & Danz sp. nov. SEM of valve exterior. 8, 9. Valve view showing characteristic shape and distinctly-elevated, raphe-bearing keel. 10. Apex of the valve showing raphe end extending onto the mantle. 11. Central portion of the valve, with raphe branches interrupted. Scale bars = 5 µm (Figs 8, 9), 3 µm (Fig. 10), 2 µm (Fig. 11).
FIGURES 36–40. Chamaepinnularia salina Beauger, C.E in Chamaepinnularia salina (Bacillariophyta), a new diatom species from French mineral springs (Massif Central)
FIGURES 36–40. Chamaepinnularia salina Beauger, C.E.Wetzel, Allain & Ector sp. nov. Type population from Sail spring. SEM. 36. External detail of the central area and of the striae. Note the proximal raphe endings and the sternum. 37. External detail of the hooked distal raphe endings. 38, 40. Internal view of an entire valve showing the striae, the central nodule, the proximal and distal raphe endings. The proximal raphe endings are unilaterally hooked. The distal raphe fissures terminate internally with a small helictoglossa. 39. Internal detail showing the distal raphe endings. Internally, the areola openings are divided with internal plates of silica. Scale bar = 1 μm (Figs 36–37, 39), 5 µm (Figs 38, 40).
FIGURES 41–44. Chamaepinnularia salina Beauger, C.E in Chamaepinnularia salina (Bacillariophyta), a new diatom species from French mineral springs (Massif Central)
FIGURES 41–44. Chamaepinnularia salina Beauger, C.E.Wetzel, Allain & Ector sp. nov. from 41. Zagat spring, 42: Saurier spring; 43: Camuse spring (CLF!, slide no. CLF103305) and 44. Felix spring. Scale bar = 5 μm (Fig. 41) and 4 µm (Figs 42–44).
FIGURES 2–35. Chamaepinnularia salina Beauger, C.E in Chamaepinnularia salina (Bacillariophyta), a new diatom species from French mineral springs (Massif Central)
FIGURES 2–35. Chamaepinnularia salina Beauger, C.E.Wetzel, Allain & Ector sp. nov., LM. (Figs 2–28). Type population from Sail spring. SEM. (Figs 29–35) Type population from Sail spring. 29–35. External view of an entire valve showing the raphe structure and the striae. The striae are composed of simple, chamber-like areolae, with external openings covered by vela. The external proximal raphe endings are inconspicuous.
FIGURE 1 in Chamaepinnularia salina (Bacillariophyta), a new diatom species from French mineral springs (Massif Central)
FIGURE 1. Map of the study spring. a: map of France; b: position of the Sail spring in the Puy-de-Dôme department (square); c and d: photographs of the spring taken in December 2014 and November 2018 respectively.
FIGURES 46–64 in Chamaepinnularia salina (Bacillariophyta), a new diatom species from French mineral springs (Massif Central)
FIGURES 46–64. Microcostatus turritus from Cave Bossea, Italy. LM. Figs 46–58. Population from Cave Bossea, Italy. SEM. Figs 59–64. Population from Cave Bossea, Italy. 59–62. External view of an entire valve showing the raphe structure and the microcostae. 63. Internal view of an entire valve showing the microcostae, the central nodule, the proximal and distal raphe endings. 64. Internal detail showing the striae. Scale bar = 10 μm (Figs 46–58), 4 µm (Fig. 63), 3 µm (Figs 59–62) and 500 nm (Fig. 64).
FIGURES 2–25 in Gomphosphenia vallei (Bacillariophyta), a new diatom species from a stream in the "Réserve Naturelle Nationale de la Vallée de Chaudefour", Massif Central (France)
FIGURES 2–25. LM images of Gomphosphenia vallei. Type population from Pérouse Stream. 2–19: Valve view; 20–25: Girdle view. Scale bar = 5 μm.
FIGURE 1 in Gomphosphenia vallei (Bacillariophyta), a new diatom species from a stream in the "Réserve Naturelle Nationale de la Vallée de Chaudefour", Massif Central (France)
FIGURE 1. Map of the studied stream. a: map of Europe; b: map of France; c: location of the sampling site (star); d: photograph of the sampling site in the Chaudefour Valley taken from the upper part of the cirque; e: photograph of the sampling site in the Chaudefour Valley taken from the access road to the Reserve; f: photograph of the Pérouse Stream taken in July 2021.
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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)
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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.