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49 results for “Pinnularia”
Figs. 68-75 in O gênero Pinnularia Ehrenberg (Bacillariophyceae) em um lago de inundação do rio Tapajós (Lago Verde, Santarém, Pará, Brasil)
Figs. 68-75. Imagens em MEV. 68, 69. Pinnularia divergens var. mesoleptiformis.68. vista geral interna da valva; 69. vista interna da extremidade distal da rafe; 70- 72. P. instabilis. 70. vista externa das extremidades proximais da rafe na área central; 71. vista externa da extremidade distal da rafe; 72. vista geral externa da valva; 73 - 75. Imagens em MEV. 73. vista geral interna da valva; 74. vista interna da rafe na área central; 75. vista interna da extremidade distal da rafe. Barras: Figs. 68, 72 = 10μm; Figs. 69, 70, 71 = 2μm; Fig. 73 = 20μm; Fig. 74 = 5μm; Fig. 75 = 1μm.
Figs. 2-10 in O gênero Pinnularia Ehrenberg (Bacillariophyceae) em um lago de inundação do rio Tapajós (Lago Verde, Santarém, Pará, Brasil)
Figs. 2-10. Imagens em MO. 2, 3. Pinnularia acuminata var. novaezealandica; 4, 5. P. amazônica; 6. P. amoena; 7. P. aquaenigrae; 8. P. boyeriformis; 9. P. confirma; 10. P. discrepantia. Barra = 10 μm.
Figs. 23-30 in O gênero Pinnularia Ehrenberg (Bacillariophyceae) em um lago de inundação do rio Tapajós (Lago Verde, Santarém, Pará, Brasil)
Figs. 23-30. Imagens em MO. 23, 24. Pinnularia graciloides var. rumrichae; 25. P. hemipteriformis; 26. P. hyalina; 27. P. instabiliformis; 28. P. instabilis; 29. P. liyanlingae; 30. P. manausensis. Barra = 10 μm.
Figs. 86-90 in O gênero Pinnularia Ehrenberg (Bacillariophyceae) em um lago de inundação do rio Tapajós (Lago Verde, Santarém, Pará, Brasil)
Figs. 86-90. Imagens em MEV. 86 - 88. Pinnularia tumescens.86. vista interna da extremidade distal da rafe; 87. vista externa da extremidade distal da rafe; 88. vista externa das extremidades distais da rafe na área central; 89, 90. P. tupensis. 89. vista interna da extremidade distal da rafe; 90. vista geral interna da valva. Barras: Figs. 86, 90 = 10μm; Fig. 87 = 2μm; Figs. 88, 89 = 5μm.
FIGURES 15–19. Pinnularia hustedtii F in Pinnularia hustedtii (Bacillariophyta): Notes on specimens from Wuling Mountains, China and from type material
FIGURES 15–19. Pinnularia hustedtii F.Meister, scanning electron microscope (SEM) images from Wuling Mountains material. 15–16. Entire valves with girdle attached in Fig. 15. 17–19. Internal detail of striae, raphe, helictoglossae and central nodule. Scale bars: 10 μm (Fig. 15), 20 μm (Fig. 16), 5 μm (Figs 17–19).
FIGURES 20–24. 20 in Pinnularia hustedtii (Bacillariophyta): Notes on specimens from Wuling Mountains, China and from type material
FIGURES 20–24. 20. Internal view of central nodule of raphe. 21–23. External views of striae, raphe, raphe endings at centre. 24. Detail of internal striae. Scale bars: 2 μm (Figs 20–23), 1 μm (Fig. 24).
FIGURES 9–14. Pinnularia hustedtii F in Pinnularia hustedtii (Bacillariophyta): Notes on specimens from Wuling Mountains, China and from type material
FIGURES 9–14. Pinnularia hustedtii F.Meister, light microscope (LM) images from Wuling Mountains material. Scale bar: 50 μm.
FIGURES 1–8. 1. Pinnularia hustedtii F in Pinnularia hustedtii (Bacillariophyta): Notes on specimens from Wuling Mountains, China and from type material
FIGURES 1–8. 1. Pinnularia hustedtii F.Meister, reproduction of Meister 1935: 102, taf. 9, fig. 82. 2, 3, 4, 6. Specimens of Pinnularia hustedtii from 'Z + ZT Meister 3312040'. Fig. 5 is a reproduction of Pinnularia pseudotabellaria H.Kobayasi in H.Kobayasi & Kaz.Ando 1977: 248, pl. 8, figs 60, 61. Fig. 7 is a reproduction of page from Meister's notebook for 'Z + ZT Meister 3312065, lost holotype. Fig. 8 is a reproduction of page from Meister's notebook for 'Z + ZT Meister 3312040', isotype (specimen in Figs 2–6). Scale bars: 50 μm (Figs 2, 3), 10 μm (Figs 4, 6).
FIGURES 8–15 in Pinnularia dongzhenensis sp. nov., a new freshwater diatom species (Bacillariophyceae) from Dongzhen Reservoir, Fujian Province, China
FIGURES 8–15. Pinnularia dongzhenensis sp. nov., SEM external views of P. dongzhenensis sp. nov.. 8, 9. General view of valve. 10, 11. Central area showing proximal raphe fissures bent in the same direction. 12, 13. Details of alveoli with rows of rounded areolae. 14, 15. Detail of the sickle–shaped raphe fissure at pole, and each alveolus with rows of rounded areolae. Scale bars = 10 μm (Figs 8, 9), 2 μm (Figs 10–15).
FIGURES 1–7 in Pinnularia dongzhenensis sp. nov., a new freshwater diatom species (Bacillariophyceae) from Dongzhen Reservoir, Fujian Province, China
FIGURES 1–7. LM micrographs of the type population of Pinnularia dongzhenensis from Dongzhen Reservoir. Scale bar = 10 μm.
FIGURES 26–30 in Pinnularia wuyiensis sp. nov., a new diatom (Bacillariophyceae, Naviculales) from the north region of Wuyi Mountains, Jiangxi Province, China
FIGURES 26–30. Pinnularia wuyiensis, SEM. Internal view of morphological features. 26. Internal view of an entire valve. 27, 28. Internal view of the valve apex showing typical helictoglossa. 29. Internal view of the central area. 30. Internal view of alveoli pattern. Scale bars: Fig. 26 = 10 μm, Figs 27–29 = 3 μm, Fig. 30 = 1 μm.
FIGURES 19–25 in Pinnularia wuyiensis sp. nov., a new diatom (Bacillariophyceae, Naviculales) from the north region of Wuyi Mountains, Jiangxi Province, China
FIGURES 19–25. Pinnularia wuyiensis, SEM. External view of morphological features. 19–21. General view of valve. 22, 23. Detail of the sickle-shaped raphe fissure at pole, and alveolus with rows of rounded areolae. 24. Central area showing proximal raphe fissures bent in the same direction. 25. Detail of an alveolus with rows of rounded areolae. Scale bars: Figs19–21 = 10 μm, Figs 22–25 = 2 μm.
FIGURES 53–58 in Pinnularia baetica sp. nov. (Bacillarophyceae): Comparison with other panduriform species in the Mediterranean area
FIGURES 53–58. Pinnularia atlasi Darley. Scanning electron micrographs of the type location collected in Morocco. (53) external valvar view; (54) internal valvar view; (55) external view of the apex, showing the distal raphe hooked endings; (56) internal view of the apex, showing the distal raphe endings terminating on small helictoglossae; (57) external central nodule bent on one side and spines in marginal area; (58) external rows of each alveoli. Scale bars 5 μm (53–57); 1 μm (58).
FIGURES 66–76 in Pinnularia baetica sp. nov. (Bacillarophyceae): Comparison with other panduriform species in the Mediterranean area
FIGURES 66–76. Pinnularia species collected in Serbia and Macedonia. (66–69) Pinnularia baetica sp. nov. Light micrographs of the type population sampled in Lake Livadičko (Serbia). (70–75) Pinnularia infirma Krammer. Light micrographs of the population collected in Radika. (76) Pinnularia atlasi Darley from Macedonia. Light micrograph. Showing the spines defined in the middle of the valve. Scale bar 10 μm.
FIGURES 65 in Pinnularia baetica sp. nov. (Bacillarophyceae): Comparison with other panduriform species in the Mediterranean area
FIGURES 65. Pinnularia atlasi Darley from the type location in Morocco. Light micrograph in girdle view. Showing the spines (see arrow) defined in the middle of the concave part of the lower valve. Scale bar 10 μm.
FIGURES 32–46 in Pinnularia baetica sp. nov. (Bacillarophyceae): Comparison with other panduriform species in the Mediterranean area
FIGURES 32–46. Pinnularia infirma Krammer. Light micrographs of the population collected in Ouiouane, Morocco in this study. Scale bar 10 μm.
FIGURES 17–31 in Pinnularia baetica sp. nov. (Bacillarophyceae): Comparison with other panduriform species in the Mediterranean area
FIGURES 17–31. Pinnularia atlasi Darley. Light micrographs of the type location collected in Morocco. Scale bar 10 μm.
FIGURES 2–16 in Pinnularia baetica sp. nov. (Bacillarophyceae): Comparison with other panduriform species in the Mediterranean area
FIGURES 2–16. Pinnularia baetica sp. nov. Light micrographs of the type population sampled in Laguna Seca in 2007. Scale bar 10 μm.
FIGURE 1 in Pinnularia baetica sp. nov. (Bacillarophyceae): Comparison with other panduriform species in the Mediterranean area
FIGURE 1. Geographical locations of the 6 sampling sites of this study and the location sampled by Lange-Bertalot as a review of the P. atlasi distributions species. 1. Laguna Seca; 2. Guedrouz; 3. Ouiouane; 4. Livadicko; 5. Radika; 6. Matka; 7. Sardinia (not sampled in this study).
FIGURES 47–52 in Pinnularia baetica sp. nov. (Bacillarophyceae): Comparison with other panduriform species in the Mediterranean area
FIGURES 47–52. Pinnularia baetica sp. nov. Scanning electron micrographs of the type population sampled in Laguna Seca. (47) external valvar view; (48) internal valvar view; (49) external view of the apex, showing the distal raphe hooked endings; (50) internal view of the apex, showing the distal raphe endings terminating on small helictoglossae; (51) external central nodule bent on one side; (52) rows of each alveoli. Scale bars 5 μm (47–49,51); 1 μm (50,52).
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