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Dataset results
27 results for “Hantzschia”
FIGURES 75–93 in Four novel species from the genus Hantzschia Grunow (Bacillariophyta: Bacillariaceae) from rural areas of Southeast Asia
FIGURES 75–93. LM microphotographs of Hantzschia amphioxys in size diminution series (75–87), scale bar = 10 μm. SEM microphotographs of H. amphioxys (88–93), scale bar = 10 μm (88, 89), 5 μm (92), 2,5 μm (90, 91, 93).
FIGURES 53–60 in Four novel species from the genus Hantzschia Grunow (Bacillariophyta: Bacillariaceae) from rural areas of Southeast Asia
FIGURES 53–60. SEM microphotographs of Hantzschia tokarczukiana sp. nov., scale bar = 10 µm (53–55), 2 µm (56–60).
FIGURES 1–27 in Four novel species from the genus Hantzschia Grunow (Bacillariophyta: Bacillariaceae) from rural areas of Southeast Asia
FIGURES 1–27. LM microphotographs of Hantzschia minima sp. nov. (1–15) and H. tokarczukiana sp. nov. (16–27) in size diminution series, scale bar = 10 µm.
FIGURES 46–52 in Four novel species from the genus Hantzschia Grunow (Bacillariophyta: Bacillariaceae) from rural areas of Southeast Asia
FIGURES 46–52. SEM microphotographs of Hantzschia minima sp. nov., scale bar = 10 µm (46–48), 2 µm (49–52).
FIGURE 94. A in Four novel species from the genus Hantzschia Grunow (Bacillariophyta: Bacillariaceae) from rural areas of Southeast Asia
FIGURE 94. A comparison of basic morphological features for studied Hantzschia species. HAMP—H. amphioxys, HMIN—H. minima sp. nov., HTOK—H. tokarczukiana sp. nov., HMAL—H. malaysiana sp. nov., HBEK—H. beksinskii sp. nov. Boxes represent interquartile ranges (25th and 75th), middle lines are medians, whiskers are non-outlier ranges beyond the boxes, and dots are outliers.
FIGURES 28–45 in Four novel species from the genus Hantzschia Grunow (Bacillariophyta: Bacillariaceae) from rural areas of Southeast Asia
FIGURES 28–45. LM microphotographs of Hantzschia malaysiana sp. nov. (28–37) and H. beksinskii sp. nov. (38–45) in size diminution series, scale bar = 10 µm.
FIGURES 61–67 in Four novel species from the genus Hantzschia Grunow (Bacillariophyta: Bacillariaceae) from rural areas of Southeast Asia
FIGURES 61–67. SEM microphotographs of Hantzschia malaysiana sp. nov., scale bar = 10 µm (61, 62), 5 µm (63–67).
FIGURES 68–74 in Four novel species from the genus Hantzschia Grunow (Bacillariophyta: Bacillariaceae) from rural areas of Southeast Asia
FIGURES 68–74. SEM microphotographs of Hantzschia beksinskii sp. nov., scale bar = 10 µm (68, 69), 5 µm (70–74).
PLATE 10 in The diatom genus Hantzschia (Bacillariophyta) in Xinjiang Province, China
PLATE 10: Figures 58–66. Hantzschia nitzschioides. Fig. 58–65. LM micrographs of valve views showing size diminution series. Scale bars=10 μm for all figures. Fig. 66. SEM micrograph showing external view of areolae. Scale bar=1 μm.
PLATE 9 in The diatom genus Hantzschia (Bacillariophyta) in Xinjiang Province, China
PLATE 9: Figures 54–57. Hantzschia vivacior. SEM micrographs. Fig. 54. Detail of the external central raphe endings and areolae. Fig. 55. Detail of the external distal raphe fissure. Fig. 56. Detail of the internal central raphe endings and areolae. Fig. 57. Internal view of valve terminus with helictoglossa evident. Scale bars=1 μm for all figures.
PLATE 6 in The diatom genus Hantzschia (Bacillariophyta) in Xinjiang Province, China
PLATE 6: Figures 35–39. Hantzschia yili. SEM micrographs. Fig. 35. Detail of the continuous external central raphe endings and areolae. Fig. 36. Detail of the discontinuous internal central raphe endings and areolae. Fig. 37. Detail of the external distal raphe fissure. Fig. 38. Internal view showing teratological formation of fibulae and areolar arrangement. Fig. 39.Valve terminus with helictoglossa evident. Scale bars=1 μm for all figures.
PLATE 5 in The diatom genus Hantzschia (Bacillariophyta) in Xinjiang Province, China
PLATE 5: Figures 26–34. Hantzschia yili. LM micrographs of valve views showing size diminution series. Figure 27 = holotype. It is ringed on slide XJ-010181. Scale bars=10 μm for all figures.
PLATE 4 in The diatom genus Hantzschia (Bacillariophyta) in Xinjiang Province, China
PLATE 4: Figures 22–25. Hantzschia sinensis. SEM micrographs. Fig. 22. Detail of the continuous external central raphe endings and areolae. Fig. 23. Detail of the discontinuous internal central raphe endings and areolae. Fig. 24. Detail of the external distal raphe fissure. Fig. 25. Helictoglossa at the extreme terminus of the valve. Scale bars=1 μm for all figures.
PLATE 3 in The diatom genus Hantzschia (Bacillariophyta) in Xinjiang Province, China
PLATE 3: Figures 14–21. Hantzschia sinensis. LM micrographs of valve views showing size diminution series. Figure 16 = holotype. It is ringed on slide XJ-071054. Scale bars=10 μm for all figures.
PLATE 8 in The diatom genus Hantzschia (Bacillariophyta) in Xinjiang Province, China
PLATE 8: Figures 47–53. Hantzschia vivacior. LM micrographs of valve views showing size diminution series. Scale bars=10 μm for all figures.
PLATE 7 in The diatom genus Hantzschia (Bacillariophyta) in Xinjiang Province, China
PLATE 7: Figures 40–46. Hantzschia subrobusta. Fig. 40–43. LM micrographs of valve views showing size diminution series. Figure 42 = holotype. It is ringed on slide XJ-010181. Scale bars=10 μm for LM figures. Fig. 44–46. SEM micrographs. Fig. 44. Detail of the external distal raphe fissure. Fig. 45. External view of central portion of valve showing continuous raphe slit and internal fibulae and areolae. Fig. 46. Internal view of valve terminus with helictoglossa evident. Scale bars=1 μm for SEM figures.
PLATE 1 in The diatom genus Hantzschia (Bacillariophyta) in Xinjiang Province, China
PLATE 1: Figures 1–8: Hantzschia pseudobardii. LM micrographs of valve views showing size diminution series. Figure 3 = holotype. It is ringed on slide XJ-010116. Scale bars=10 μm for all figures.
PLATE 2 in The diatom genus Hantzschia (Bacillariophyta) in Xinjiang Province, China
PLATE 2: Figures 9–13. Hantzschia pseudobardii. SEM micrographs. Figs 9, 10. Detail of the continuous external central raphe endings and areolae. Fig. 11. Detail of the external distal raphe fissure. Fig. 12. Detail of the internal fibulae and areolae, internal central raphe endings are not clear. Fig. 13. Helictoglossae at apex, positioned on the extreme terminus of the valve. Scale bars=1 μm for all figures.
FIGURES 11–21 in Three new Hantzschia species (Bacillariophyta) from the Maritime Antarctic Region
FIGURES 11–21. Hantzschia zidarovae. LM and SEM observations of the type population (Livingston Island, Byers Peninsula, sample LIV-BY16A). Figs 11–17. Light micrographs showing a reduction in valve length. Fig. 18. External view of an entire valve showing the thickened ventral hyaline border and the very deep grooves with the striae. Fig. 19. External detail of the central area with the deflected, interrupted, proximal raphe endings and the deep striae grooves. Fig. 20. Internal detail of the central area showing the external, interrupted proximal raphe endings. Note the groove under the raphe endings. Fig. 21. Internal view of an entire valve showing the irregularly placed fibulae. Scale bar represents 10 μm except for figs 19 & 20 where scale bar = 1 μm.
FIGURES 7–10 in Three new Hantzschia species (Bacillariophyta) from the Maritime Antarctic Region
FIGURES 7–10. Hantzschia australabundans. Scanning electron micrographs (SEM) of the type population (Livingston Island, Byers Peninsula, sample LIV-BY16A). Fig. 7. External view of an entire valve showing the ventral hyaline border. Fig. 8. External detail of the central area with the interrupted proximal raphe endings and the shallow areolae. Fig. 9. Internal view of an entire valve showing the irregularly placed fibulae. Fig. 10. Internal detail of the central area with the interrupted proximal raphe endings located on a heavily silicified central nodule. Scale bar represents 10 μm except for figs 9 & 11 where scale bar = 1 μm.
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