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41 results for “Odontidium”
FIGURES 93–100. Odontidium neolongissimum, SEM. W Grunow 1214 in Reinvestigation of the type material for Odontidium hyemale (Roth) Kützing and related species, with description of four new species in the genus Odontidium (Fragilariaceae, Bacillariophyta)
FIGURES 93–100. Odontidium neolongissimum, SEM. W Grunow 1214, River Talfer near Runkelstein, Italy. 93. View of whole valve. 94. Details of valve face with pore field, rimoportulae and marginal spines near pole. 95. Girdle view of whole frustule. 96. Details of valve face with rimoportulae and marginal spines near valve centre. 97. Details of valve mantle, spines and girdle bands. 98. Internal view near valve centre with rimoportulae. 99. Internal view of whole valve. 100. Internal view of pole with pore field and rimoportulae. Scale bars = 10 μm (Figs 93, 99), 2 μm (Figs 94–96, 100), 1 μm (Figs 97, 98).
FIGURES 101–108. 101, 103 in Reinvestigation of the type material for Odontidium hyemale (Roth) Kützing and related species, with description of four new species in the genus Odontidium (Fragilariaceae, Bacillariophyta)
FIGURES 101–108. 101, 103. Reproductions of the line drawings of Odontidium anomalum from Smith (1856: 16, pl. LXI, 376). 102. Specimens of Odontidium anomalum from BM 24007, Braemar, all valve views. 104, 108. Reproductions of William Smith's drawings of Odontidium anomalum (Smith 1855: 7, pl. 1, 8). 105. Reproduction of line drawing for Odontidium anomalum var. longissimum (longissima) (Grunow 1862: pl. 4, 4). 106. Reproduction of Diatoma anceps var. anomala (anomalum) (W. Smith) Van Heurck (1896: 350, pl. 11, 473). 107. Reproduction of Diatoma anomala (anomalum) (W. Smith) Schönfeldt (1907: 98, pl. 5, 32, 32a).
FIGURES 43–54. Odontidium andinum spec. nov. SEM. 43 in Odontidium andinum spec. nov. (Bacillariophyta) from Mendoza, Argentina
FIGURES 43–54. Odontidium andinum spec. nov. SEM. 43. Detail of the valve and valvocopula. 44. Mantle with valvocopula and copula associated, note the granules and the discontinuous row of poroids on the pars exterior. 45. Mantle end with valvocopula and associated copula. 46. Frustule end showing the open valvocopula. 47. Valvocopula, note the extensions of the pars interior, the rows of poroids and the granules in the external side of the pars exterior. 48. Detail of the ligula of the valvocopula. 49. Detail of the valvocopula in internal view, note the poroids of the pars interior (arrowheads) and the pars exterior (arrows). 50. Copula, note the line of poroids of the pars interior. 51. Detail of the previous figure, note the ligula. 52. Pleura. 53–54. Detail of the previous figure showing the ligula (fig. 53); note the row of poroids of the pars media and the granules of the pars exterior. Scale bars: 47, 50, 52= 10 μm; 43–46, 48–48, 49, 51, 53–54= 2 μm.
FIGURES 25–33. Odontidium andinum spec. nov. SEM. 25–29 in Odontidium andinum spec. nov. (Bacillariophyta) from Mendoza, Argentina
FIGURES 25–33. Odontidium andinum spec. nov. SEM. 25–29. Valves in external view. 30. Detail of the valve center; note the narrow flat sternum, the small areolae of the striae and the spines near the valve margin; the arrows show the position of the internal transapical ribs. 31. Detail of the valve end; note the external opening of the rimoportula, the sternum extending into the porefield and the marginal spines. 32. Detail of valve mantle and valvocopula ends. 33. Detail of valve mantle and the valvocopula in external view; note the mantle striae arranged in flabelliform groups. Scale bars: 25–29= 10 μm; 30–33: 2 μm.
FIGURES 34–42. Odontidium andinum spec. nov. SEM. 34–37 in Odontidium andinum spec. nov. (Bacillariophyta) from Mendoza, Argentina
FIGURES 34–42. Odontidium andinum spec. nov. SEM. 34–37. Whole valves in internal view; note the presence of primary and secondary transapical ribs; the arrows in Fig. 37 show the valvocopular extensions of the pars interior gripping each transapical rib. 38. Detail of valve center. 39. Detail of the valvocopular extensions of the pars interior gripping each transapical ribs (arrows). 40. Detail of the valve end; note the internal opening of rimoportula and the sternum extended into the porefield. 41. Whole valve in internal oblique view, note the flat sternum. 42. Detail of valvocopula in internal view showing the valvocopular lobules attached to the virgae (arrowheads). Scale bars: 34–37, 41= 10 μm; 38–40, 42= 2 μm.
FIGURES 1–24 in Odontidium andinum spec. nov. (Bacillariophyta) from Mendoza, Argentina
FIGURES 1–24. Odontidium andinum spec. nov. LM. Specimens of the type population. 1–7. Frustules in girdle view. 8–24. Valve views showing shape and size variation. The arrowheads in Figs 16, 21, 24 show the lobules attached to the virgae and the arrows in Figs 21, 22 show the valvocopular extensions of the pars interior gripping each transapical rib. Fig. 14. Holotype. Figs 12, 16, 17, 22–23, 24. Isotypes marked with Finder. Scale bars: 10 μm.
FIGURE 95 in The genus Odontidium (Bacillariophyta) in the Himalaya-a preliminary account of some taxa and their distribution
FIGURE 95. Comparison of cell size between O. parvoapiculatum and O. apiculatum; for material of O. apiculatum from Europe see Jüttner et al. 2015, p.3, table 1.
FIGURE 94 in The genus Odontidium (Bacillariophyta) in the Himalaya-a preliminary account of some taxa and their distribution
FIGURE 94. Comparison of cell size between O. himalongissimum, O. longiovalum and O. neolongissimum; for Grunow type material and material of O. neolongissimum from Macedonia see Jüttner et al. 2015, p.3, table 1.
FIGURES 79–93 in The genus Odontidium (Bacillariophyta) in the Himalaya-a preliminary account of some taxa and their distribution
FIGURES 79–93. Odontidium rupestris. LM. Valve views. Figs 79–87: NMW.C.2007.006.He07: stream south of the Laurebina Pass, Helambu, Nepal. Figs 88–93: NMW.C.2009.003.51: inflow of Dudh Pokhari, Everest National Park, Scale bar = 10 μm.
FIGURES 71–78. Odontidium parvoapiculatum. SEM. Figs 71–73 in The genus Odontidium (Bacillariophyta) in the Himalaya-a preliminary account of some taxa and their distribution
FIGURES 71–78. Odontidium parvoapiculatum. SEM. Figs 71–73. Frustules in valve view. Fig. 74. Apical pore field and rimoportula. Fig. 75. Internal view of valve. Figs 76, 77. Internal views of pore field and rimoportula. Fig. 78. Girdle view showing valve mantle, valvocopula and pleurae. NMW.C.2007.006.R35. Scale bars = 2 μm (Figs 71–73, 75, 77, 78), 1 μm (Figs 74, 76).
FIGURES 63–70 in The genus Odontidium (Bacillariophyta) in the Himalaya-a preliminary account of some taxa and their distribution
FIGURES 63–70. Odontidium parvoapiculatum. LM. Figs 63, 64. Frustules in girdle view. Figs 65–70. Valve views. NMW.C.2007.006. R35: tributary to the Nandâkini River, Garhwal, India. Scale bar = 10 μm.
FIGURES 55–58. Odontidium longiovalum. SEM. Fig. 55 in The genus Odontidium (Bacillariophyta) in the Himalaya-a preliminary account of some taxa and their distribution
FIGURES 55–58. Odontidium longiovalum. SEM. Fig. 55. Frustule in valve view. Fig. 56. Internal view of valve. Fig. 57. Apical pore field and rimoportula. Fig. 58. Apical pore field. Figs 55–57. NMW.C.2007.009.2000.La.spr.3/2. Fig. 58. NMW.C.2007.006.K58. Scale bars = 3 μm (Fig. 55), 2 μm (Figs 56–58).
FIGURES 59–62. Odontidium longiovalum. SEM. Fig. 59 in The genus Odontidium (Bacillariophyta) in the Himalaya-a preliminary account of some taxa and their distribution
FIGURES 59–62. Odontidium longiovalum. SEM. Fig. 59. Detail of valve surface. Fig. 60. Areolae with occlusions. Fig. 61. Frustule in girdle view. Fig. 62. Mantle with rows of spines, and two girdle bands. Figs 59–60. NMW.C.2007.006.K58. Figs 61–62. NMW. C.2007.009.2000.La.spr.3/2. Scale bars = 2 μm (Figs 61–62), 1 μm (Fig. 59), 200 nm (Fig. 60).
FIGURES 40–54 in The genus Odontidium (Bacillariophyta) in the Himalaya-a preliminary account of some taxa and their distribution
FIGURES 40–54. Odontidium longiovalum. LM. Fig. 40. Frustule in girdle view. Figs 41–54. Valve views. Figs 40, 41, 45, 46, 48, 53, 54. NMW.C.2007.006.K58: tributary to the Ghunsa Khola near the village of Hombu, Taplejung district, Nepal. Figs 42, 47, 50, 51. NMW. C.2007.009.2000.La.spr.3/2: spring in the Langtang Valley, Rasuwa district, Nepal. Figs 43, 44, 49, 52. NMW.C.2007.006.He07: stream south of the Laurebina Pass, Helambu, Nepal. Scale bar = 10 μm.
FIGURES 32–39. Odontidium himalongissimum. SEM. Figs 32–34. Valve views. Fig. 35. Apical pore field and rimoportula. Figs 36–37 in The genus Odontidium (Bacillariophyta) in the Himalaya-a preliminary account of some taxa and their distribution
FIGURES 32–39. Odontidium himalongissimum. SEM. Figs 32–34. Valve views. Fig. 35. Apical pore field and rimoportula. Figs 36–37. Internal view of valves. Figs 38–39. Frustules in girdle view. NMW.C.2007.006.P67: tributary to the Pindar River, Kumaon, India. Scale bars = 5 μm (Figs 32–34), 4 μm (Figs 36, 38, 39), 2 μm (Figs 35, 37).
FIGURES 23–31 in The genus Odontidium (Bacillariophyta) in the Himalaya-a preliminary account of some taxa and their distribution
FIGURES 23–31. Odontidium himalongissimum. LM. Valve views. NMW.C.2007.006.P57: tributary to the Sundardhunga Gâd, Kumaon, India. Scale bar = 10 μm.
FIGURES 19–22. Odontidium nepalense. SEM. Fig 19 in The genus Odontidium (Bacillariophyta) in the Himalaya-a preliminary account of some taxa and their distribution
FIGURES 19–22. Odontidium nepalense. SEM. Fig 19. Mantle with rows of spines, and two girdle bands. Fig. 20. Mantle and girdle bands. Fig. 21. Internal view of valve. Fig. 22. Internal view of apical pore field and rimoportula. Figs 19, 20, 22. NMW.C.2011.030.2008. Helan.spr.8.bryo. Fig. 21. NMW.C.2009.003.51. Scale bars = 2 μm (Figs 19, 21, 22), 1 μm (Fig. 20).
FIGURES 15–18. Odontidium nepalense. SEM. Figs 15, 16 in The genus Odontidium (Bacillariophyta) in the Himalaya-a preliminary account of some taxa and their distribution
FIGURES 15–18. Odontidium nepalense. SEM. Figs 15, 16. Frustules in valve view. Fig. 17. Apical pore field and girdle bands at pole. Fig. 18. Frustule in girdle view. Figs 15, 17, 18. NMW.C.2011.030.2008.Helan.spr.8.bryo. Fig. 16. NMW.C.2009.003.51. Scale bars = 2 μm.
FIGURES 2–14 in The genus Odontidium (Bacillariophyta) in the Himalaya-a preliminary account of some taxa and their distribution
FIGURES 2–14. Odontidium nepalense. LM. Fig. 2. Frustule in girdle view. Figs 3–14. Valve views. Figs 2–7. NMW.C.2011.030.2008. Helan.spr.8.bryo: spring in Terkeghyang, Helambu, Nepal; Figs 8–14. NMW.C.2009.003.51: inflow of Dudh Pokhari, Everest National Park. Scale bar = 10 μm.
FIGURE 1 in Reinvestigation of the type material for Odontidium hyemale (Roth) Kützing and related species, with description of four new species in the genus Odontidium (Fragilariaceae, Bacillariophyta)
FIGURE 1. Map of locations for Odontidium species examined in this paper.
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