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Dataset results
18 results for “Surirellaceae”
Fig. 3 in New and interesting Surirella taxa (Surirellaceae, Bacillariophyta) from the Congo Basin (DR Congo)
Fig. 3. Surirella ebalensis sp. nov., type material from sample CCA 2070, Lomami River, DR Congo, SEM. External view. A–B. Detail of the girdle showing a part of a girdle with ligula (arrow) and the neighbouring interrupted band. C. Detail of the valve mantle with the draped silica spines (arrow) and the silica plaques (arrow) near the edge of the mantle and the valvocopula. D. Detail of the girdle band near the pole. Scale bars = 2 µm.
Fig. 1 in New and interesting Surirella taxa (Surirellaceae, Bacillariophyta) from the Congo Basin (DR Congo)
Fig. 1. Surirella ebalensis sp. nov., from the holotype slide BR 4398, Lomami River, DR Congo, LM (DIC). A–C. Valve representing the holotype, different foci of the same valve. D–E. Different foci of the same valve. F. Girdle view. Scale bar = 10 µm.
Fig. 9 in New and interesting Surirella taxa (Surirellaceae, Bacillariophyta) from the Congo Basin (DR Congo)
Fig. 9. Surirella congolensis sp. nov., type material from sample CCA 2071, Lomami River, DR Congo, SEM. Internal view. A–B. Head pole showing the continuous raphe (arrow). C–D. Foot pole showing the interruption of the raphe and the straight slightly expanded terminal raphe endings. E–F. Detail of the alar canals. Scale bars: B–C = 2 µm; A, D = 1 µm.
Fig. 8 in New and interesting Surirella taxa (Surirellaceae, Bacillariophyta) from the Congo Basin (DR Congo)
Fig. 8. Surirella congolensis sp. nov., type material from sample CCA 2071, Lomami River, DR Congo, SEM. External view. A. Overview. B–C. Detail of foot pole showing the straight not expanded raphe endings (arrow). D. Detail of the apical pole showing the slightly curved raphe endings (arrow). E–F. Detail of the biseriate striae and the open fenestrae with the fenestral bars. Scale bars: A–B = 2 µm; C–F = 1 µm.
Fig. 2 in New and interesting Surirella taxa (Surirellaceae, Bacillariophyta) from the Congo Basin (DR Congo)
Fig. 2. Surirella ebalensis sp. nov., type material from sample CCA 2070, Lomami River, DR Congo, SEM. External view. B, C, F = detail of the raphe keel with blunt spines orientated towards the valve face and which are draped over a large part of the indented mantle side. A. Overview. B–C. Detail of the valve ornamented with silica granules and blunt spines. D. Detail of the apical pole, showing the curved raphe endings. E–F. Detail of the foot pole showing the straight raphe endings. F. Short spherical shaped silica elements near the pole (arrow). Scale bars: A = 10 µm; B = 4 µm; C, F = 2 µm; D–E = 1 µm.
Fig. 4 in New and interesting Surirella taxa (Surirellaceae, Bacillariophyta) from the Congo Basin (DR Congo)
Fig. 4. Surirella ebalensis sp. nov., type material from sample CCA 2070, Lomami River, DR Congo, SEM. External view. Details of the various types of spines on the valve face and the keel. A–B. Detail of the valve surface with the biseriate striae (arrow) becoming sometimes uniseriate near the axial area. C–D. Section of the valve face showing the simple perforation of the silica wall at the areolae. Scale bars: A–B = 2 µm; C–D = 1 µm.
Fig. 5 in New and interesting Surirella taxa (Surirellaceae, Bacillariophyta) from the Congo Basin (DR Congo)
Fig. 5. Surirella ebalensis sp. nov., type material from sample CCA 2070, Lomami River, DR Congo, SEM. Internal view. A. Detail of the multiseriate striae, and the perforation of the elongated granules without rimmed margin (arrow). B, D. Detail of the continuous raphe near the apical pole with a reduced helictoglossa (arrow). C. Detail of the straight not expanded raphe endings at the foot pole and their reduced helictoglossae (arrows). Scale bars: B = 2 µm; A, C–D = 1 µm.
FIGURES 26–31. Surirella tayronarum spec. nov. SEM. 26–29 in Surirella tayronarum spec. nov. (Surirellaceae, Bacillariophyta) from Colombia
FIGURES 26–31. Surirella tayronarum spec. nov. SEM. 26–29. Valves in internal view. 26. View of the whole valve. Note the sunken axial line and the bulky end. 27. Detail of the valve end showing portulae and striae with tiny areolae. 28. Detail showing the tiny areola arranged in sinuous lines. 29. Detail of portulae, note the internal raphe fissure. 30–31. Frustule in girdle view. 30. View of the whole frustule. 31. Detail showing the unornamented open girdle bands. Scale bars: Fig. 26: 20 μm, Fig. 30: 10 μm, Figs 27–31: 3 μm, Figs 28–29: 1 μm.
FIGURES 18–25. Surirella tayronarum spec. nov. SEM. 18–23 in Surirella tayronarum spec. nov. (Surirellaceae, Bacillariophyta) from Colombia
FIGURES 18–25. Surirella tayronarum spec. nov. SEM. 18–23. Valves in external view. 18. View of the whole valve, note the elevated median ridge and the sunken end. 19. Detail of the valve end showing median ridge, fenestrae and tendrils. 20. Valve end showing median ridge, raphe canal and granules. 21. Detail of the wing, showing the fenestrae and tendrils. 22. Detail of the valve face. Note smooth raphe canal, fenestrae, tendrils and granules. 23. Detail of the granules. 24. Detail of the mantle, note the line of slits and silica plaques. 25. Valve in girdle view, detail of the pole showing the expanded raphe end. Scale bars: Fig. 18: 20 μm, Figs 19–20: 10 μm, Figs 21–22, 24–25: 2 μm, Fig. 23: 1 μm.
FIGURES 1–17 in Surirella tayronarum spec. nov. (Surirellaceae, Bacillariophyta) from Colombia
FIGURES 1–17. Surirella tayronarum spec. nov. LM. Specimens of the type population. 1–2. Frustule in girdle view. Note the open of valvocopula (arrow). 3–15. Valve views showing shape and size variation. 16. Detail of valve showing striae, granules and tendrils (arrowheads). 17. Detail showing the sunken end. 12–13. Holotype. Scale bars: Figs 1–15: 20 μm, Figs 16–17: 10 μm.
FIGURE 2 in A new species of the diatom genus Campylodiscus (Bacillariophyta, Surirellaceae) from Dongtan, Chongming Island, China
FIGURE 2. LM micrographs of Campylodiscus sinensis, sp. nov. Figure B is the holotype. Scale bars = 10 µm.
FIGURE 3 in A new species of the diatom genus Campylodiscus (Bacillariophyta, Surirellaceae) from Dongtan, Chongming Island, China
FIGURE 3. SEM micrographs of Campylodiscus sinensis, sp. nov. a. External view of the whole valve with two kidney-shaped convexities in central area. b. Internal view of the whole valve with two kidney-shaped depressions in central area. c. Lateral view of the whole valve showing saddle-shape. d. Cingulate view of the whole valve, raphe is raised on a keel. e. Costae with striae formed by a single row of puncta in parallel, and continue in parallel onto the mantle. f. Central area, kidney-shaped convexities with many pyramid-shaped verrucae. g. The raphe is raised on a keel at the valve margin with interruption (arrow). h. Internal view of costae containing double rows of puncta, two types of fibulae on the keel. i. Kidney-shaped depression containing a single row of puncta. j. Detail of the interrupted raphe fissure (arrow). Scale bars are presented directly on the micrographs.
FIGURE 1 in A new diatom (Surirellaceae: Bacillariophyta) species-Surirella caljoniana sp. nov.-in Göydün Spring, Sivas in Eastern Anatolia, Republic of Türkiye
FIGURE 1. Location of the Göydün spring in Türkiye and the sampling point in the region (red circle). Modified base maps from Google, Creative Commons CCO Licence, GNU Free Document Licence.
FIGURES 7–11 in A new diatom (Surirellaceae: Bacillariophyta) species-Surirella caljoniana sp. nov.-in Göydün Spring, Sivas in Eastern Anatolia, Republic of Türkiye
FIGURES 7–11. Type material of Surirella caljoniana sp. nov. from Göydün Spring, Sivas, Türkiye, SEM, external view. 7. Entire valve. 8. Detail of the multiseriate striae and irregular fimbriate silica protrusions sometimes from the costae parallel to the apical axis. 9. Detail of the undulating axial area. 10. Detail of the foot pole showing the straight not enlarged terminal raphe endings. 11. Detail of the head pole showing the straight not enlarged terminal raphe endings. Scale bars: 10 µm (Fig. 7), 5 µm (Figs 8–11).
FIGURES 12–16 in A new diatom (Surirellaceae: Bacillariophyta) species-Surirella caljoniana sp. nov.-in Göydün Spring, Sivas in Eastern Anatolia, Republic of Türkiye
FIGURES 12–16. Type material of Surirella caljoniana sp. nov. from Göydün Spring, Sivas, Türkiye, SEM, internal view. 12. Overview of an entire valve. 13. Detail showing the portulae and the multiseriate striae. 14. Detail of the axial area. 15. Detail of the foot pole. 16. Detail of the head pole showing the continuous groove associated with the internal raphe. Scale bars: 10 µm (Fig. 12), 5 µm (Figs 13, 14), 2 µm (Figs 15, 16).
FIGURES 2–6 in A new diatom (Surirellaceae: Bacillariophyta) species-Surirella caljoniana sp. nov.-in Göydün Spring, Sivas in Eastern Anatolia, Republic of Türkiye
FIGURES 2–6. Type material of Surirella caljoniana sp. nov. from Göydün Spring, Sivas, Türkiye. LM micrographs of valves showing the size diminution series. Scale bar = 10 µm.
Fig. 7 in New and interesting Surirella taxa (Surirellaceae, Bacillariophyta) from the Congo Basin (DR Congo)
Fig. 7. Surirella congolensis sp. nov., from the holotype slide BR 4399, Lomami River, DR Congo, LM (DIC), girdle views. Scale bar = 10 µm.
Fig. 6 in New and interesting Surirella taxa (Surirellaceae, Bacillariophyta) from the Congo Basin (DR Congo)
Fig. 6. Surirella congolensis sp. nov., from the holotype slide BR 4399, Lomami River, DR Congo, LM (DIC), valve views. G. Valve representing the holotype. Scale bar = 10 µm.
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OpenNeuro
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