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11
datasets available to search
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Dataset results
11 results for “Stauroneidaceae”
FIGURES 42‒47 in Two new Stauroneis species (Bacillariophyta, Stauroneidaceae) from midwestern karstic Brazilian formations
FIGURES 42‒47. Stauroneis karstica Tusset, Tremarin & T. Ludwig sp. nov. SEM. Fig. 42. External view of tilted valve. Figs 43‒44. Detail of striation pattern in the median region of valve, external and internal view, respectively. Fig. 45. Girdle view. Fig. 46. Detail of girdle bands. Fig. 47. Internal view of valve. Scale bars = 5 μm (Figs 42, 45, 47), 2 μm (Figs 43, 44, 46).
FIGURES 36‒41 in Two new Stauroneis species (Bacillariophyta, Stauroneidaceae) from midwestern karstic Brazilian formations
FIGURES 36‒41. Stauroneis karstica Tusset, Tremarin & T. Ludwig sp. nov. Figs 36‒40. SEM. Fig. 41. TEM. Fig. 36. External view of valve. Fig. 37. External view of median region showing the proximal raphe endings and striation pattern. Fig. 38. Internal view of median region of valve showing the stauros and proximal raphe endings. Fig. 39. Tilted valve showing the distal raphe ending extending to the mantle. Fig. 40. Internal view of valve apex, note the helictoglossa and pseudosepta. Fig. 41. Detail of areolae occlusion near the apex. Scale bars = 5 μm (Fig. 36), 2 μm (Figs 39, 40), 1 μm (Figs 37, 38), 0.5 μm (Fig. 41).
FIGURES 23‒35 in Two new Stauroneis species (Bacillariophyta, Stauroneidaceae) from midwestern karstic Brazilian formations
FIGURES 23‒35. Stauroneis karstica Tusset, Tremarin & T. Ludwig sp. nov. LM. Figs 23‒35. Valve views. Figs 28–29. Girdle views. Fig. 23. UPCB 78275 (holotype specimen). Scale bar = 10 μm.
FIGURES 11‒16 in Two new Stauroneis species (Bacillariophyta, Stauroneidaceae) from midwestern karstic Brazilian formations
FIGURES 11‒16. Stauroneis cavalcantei Tremarin, Tusset & T. Ludwig sp. nov. LM. Valve views. Fig. 12. UPCB 78276 (holotype specimen). Scale bar = 10 μm.
FIGURES 5‒10. Stauroneis alabamae Heiden. SEM. Figs 5‒6 in Two new Stauroneis species (Bacillariophyta, Stauroneidaceae) from midwestern karstic Brazilian formations
FIGURES 5‒10. Stauroneis alabamae Heiden. SEM. Figs 5‒6. External and internal valve view, respectively. Fig. 7. External view of central area showing the proximal raphe endings and the striation pattern. Fig. 8. Internal view of central area showing the stauros and the proximal raphe endings. Fig. 9. Girdle view of frustule, note the distal raphe ends and the bands. Fig. 10. Internal view of valve apex showing the helictoglossa. Scale bars = 20 μm (Figs 5, 6, 9), 5 μm (Figs 7, 8), 2 μm. (Fig. 10).
FIGURES 17‒22 in Two new Stauroneis species (Bacillariophyta, Stauroneidaceae) from midwestern karstic Brazilian formations
FIGURES 17‒22. Stauroneis cavalcantei Tremarin, Tusset & T. Ludwig sp. nov. SEM. Figs 17‒18. External and internal valve view, respectively. Figs 19. Internal view of central area showing the stauros and the proximal raphe endings. Fig. 20. External view of central area showing the striation pattern and the proximal raphe endings. Fig. 21. Internal view of valve apex, note the helictoglossa. Fig. 22. External view of valve apex showing the distal raphe endings. Scale bars = 5 μm (Figs 19, 20), 2 μm (Figs 17, 18, 21, 22).
FIGURES 22–27 in Prestauroneis genkalii-a new diatom species (Bacillariophyceae: Stauroneidaceae) from Southeast Asia
FIGURES 22–27: Prestauroneis genkalii Glushchenko, Kulikovskiy & Kociolek, sp. nov. SEM. External view (Figs 22–24), internal view (Figs 25–27). Figs 22: Whole valve, raphe filiform, proximal raphe endings are slightly expanded, weakly unilaterally curved, distal raphe fissures unilaterally curved in opposite way to proximal ends. Fig. 23: Central area, proximal raphe ends, openings of areolae are variable in shape and orientation, rounded to elliptic. Fig. 24: Distal raphe fissure. Fig. 25. Raphe filiform, helictoglossae are small, the raphe located on weakly pronounced sternum-like structure, pseudoseptae are present on the mantle of each valve apex. Fig. 26: Central area, proximal raphe endings indistinct and sometimes hook-like, openings of areolae round, occluded by hymenes. Fig. 27: Pseudosepta present, openings of areolae round, occluded by hymenes. Scale bars = 5 μm (Figs 22, 25); 1 μm (Figs 23, 24, 26, 27).
FIGURES 1–21 in Prestauroneis genkalii-a new diatom species (Bacillariophyceae: Stauroneidaceae) from Southeast Asia
FIGURES 1–21: Prestauroneis genkalii Glushchenko, Kulikovskiy & Kociolek, sp. nov. LM, DIC. Slide no 04853. Size diminution series. Figure 9 is of the holotype. Scale bar = 10 μm.
FIGURE 25 in Five new species of Stauroneis (Bacillariophyta, Stauroneidaceae) from the northern Rocky Mountains, USA
FIGURE 25: Wolverine Lakes in the Galton Range, northwest Montana. Upper Wolverine Lake (foreground) is the type locality of Stauroneis thompsonii and typical of habitats for Stauroneis species in the northern Rocky Mountains. Photo by the author.
FIGURES 9–24 in Five new species of Stauroneis (Bacillariophyta, Stauroneidaceae) from the northern Rocky Mountains, USA
FIGURES 9–24: Stauroneis sacajaweae, S. spauldingiae, and S. thompsonii. Figs 9–15: Stauroneis sacajaweae. Figs 9, 11–15: Type locality. Fig. 10: Haystack Seep, Going-To-The-Sun Road, Glacier National Park, Montana. Figs 16–21: Stauroneis spauldingiae. Figs 16–18, 20, 21: Copper Lake, Shoshone County, Idaho (type locality). Fig. 19: Lily Lake, Lemhi County, Idaho. Figs 22–24: Stauroneis thompsonii from the type locality.
FIGURES 1–8 in Five new species of Stauroneis (Bacillariophyta, Stauroneidaceae) from the northern Rocky Mountains, USA
FIGURES 1–8: Stauroneis clarkii and Stauroneis lewisii. Figs 1–4: Stauroneis clarkii from the type locality. Figs 5–8: Stauroneis lewisii from various locations. Figs 5–6: Blodgett Lake, Selway-Bitterroot Wilderness, Montana (type locality). Fig. 7: Fred Burr Lake, Selway-Bitterroot Wilderness, Montana. Fig. 8: Bloody Dick Pond No. 6, Beaverhead County, Montana.
ScienceDex guides
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OpenNeuro
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