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41 results for “Synurales”
FIG. 2 in Mallomonas vietnamica Gusev, Kezlya & Tran, sp. nov. (Synurales, Chrysophyceae), a new species, that shares some features with fossil taxa
FIG. 2. — Mallomonas vietnamica Gusev, Kezlya & Tran sp. nov. scanning electron microscopy images (SEM: A-J): A-D, scales with recessed domes, shifted to the right part of the scales, oriented at different angles to the longitudinal axis (Fig. 2A is a representative scale from the holotype specimen); E-F, undersurface view of the scales; G, long straight bristle; H, J, tips of bristles with teeth; I, foot of the bristle. Scale bars: A, B, D, I, 1 μm; C, E, F, H, J, 2 μm; G, 10 μm.
FIG. 1 in Mallomonas vietnamica Gusev, Kezlya & Tran, sp. nov. (Synurales, Chrysophyceae), a new species, that shares some features with fossil taxa
FIG. 1. — Map of the study area (stars indicates sampling site).
FIGURES 8–13 in New observations on Mallomonas getseniae comb. et stat. nov. (Chrysophyceae, Synurales)
FIGURES 8–13. Scales and bristles of Mallomonas getseniae. SEM. Scale bar: 9, 10—2 µm; 13—5 µm; 8, 11, 12—10 µm.
FIGURES 1–7 in New observations on Mallomonas getseniae comb. et stat. nov. (Chrysophyceae, Synurales)
FIGURES 1–7. Scales of Mallomonas getseniae comb. et stat. nov. from Lake Baikal. Figure 1–5. Body scales; Figure 6. Body scale, undersurface view. Figure 7. Caudal scale without wing-like struts on anterior flanges and without a dome. SEM. Scale bars: 4 µm.
FIGURES 2–13 in Mallomonas rimosa sp. nov. (Synurales, Chrysophyceae)-a rare tropical species from Vietnam
FIGURES 2–13. Mallomonas rimosa sp. nov. Figure 2–3. Body scales, SEM. Figures 4–10. Body scales, TEM. Figure 11. Rear scale, TEM. Figure 12–13. Collar scales, TEM. Figure 2 is a representative scale from the type specimen. Scale bars: Figures 4–5, 7, 10–13: 2 μm; Figures 6, 8–9: 1 μm; Figures 2–3: 0.5 μm.
FIGURES 2–10 in Mallomonas lusca sp. nov. (Synurales, Chrysophyceae)-a rare species from Southeast Asia
FIGURES 2–10. Mallomonas lusca sp. nov. Figure 2–3. Body scales, SEM. Figures 4–6. Body scales, TEM. Figure 7. Collar scale, TEM. Figure 8. Group of scales with bristles, TEM. Figure 9. Bristle, TEM. Figure 10. Rear scale, TEM. Scales on figures 2, 4–5, 7–10 are from the type locality in Binh Thuan Province; figure 2 is from the holotype specimen. Scale bars: Figures 4–10: 2 μm; Figures 2–3: 0.5 μm.
FIGURES 15–20. Mallomonas voloshkoae and M. pechlaneri. TEM images. FIGURES 15–18 in Mallomonas voloshkoae sp. nov. (Synurales, Chrysophyceae) and distribution of M. pechlaneri in mountain lakes of Siberia
FIGURES 15–20. Mallomonas voloshkoae and M. pechlaneri. TEM images. FIGURES 15–18. Mallomonas voloshkoae sp. nov. Body scales from different habitats. Figure 15. Unnamed lake 1. Figure 16. Unnamed lake 2. Figure 17. Unnamed lake 3. Figure 18. Lake Frolikha. FIGURES 19–20. Mallomonas pechlaneri. Figure 19. Scales with bristles from Teletskoe Lake. Figure 20. Scales with bristles from Ilchir Lake. Scale bars: Figs 15–20: 2 μm.
FIGURES 2–14 in Mallomonas voloshkoae sp. nov. (Synurales, Chrysophyceae) and distribution of M. pechlaneri in mountain lakes of Siberia
FIGURES 2–14. Mallomonas voloshkoae sp. nov., scales from the type habitat. Figures 2–5. Body scales, SEM. Figure 6. Bottom surface of a scale. Note the base-plate pores covering the area in the angle of the V-rib and posterior flanges. Figures 7–9. Body scales, TEM. Figures 10–11. Body scales with bristles, TEM. Figures 12–13. Bristles, SEM. Figure 14. Tips of two bristles, SEM. Scale bars: Figs 7–11: 2 μm; Fig. 2, 4–6, 12–14: 1 μm Fig. 3: 0.5 μm.
FIGURES 2–11 in Phylogenetic position, typification and emended description of Mallomonas matvienkoae (Chrysophyceae, Synurales)
FIGURES 2–11. Mallomonas matvienkoae (strain R064). Figures 2–4. Scales, TEM. Figures 5–6. Scales, SEM. Figure 7. Undersurface view of a scale. Figure 8. Bristle, TEM. Figure 9. Bristle, SEM. Figure 10. Serrated tip of the bristle, TEM. Figure 11. Serrated tip of the bristle, SEM. Scale bars: Figures 3, 5–7, 11: 1 μm; Figures 2, 4, 8–10: 2 μm.
FIGURES 2–11 in Mallomonas paraperfossa sp. nov. (Chrysophyceae, Synurales), a new species from the shallow ephemeral ponds in the steppe zone of the Southern Urals, Russia
FIGURES 2–11. Mallomonas paraperfossa sp. nov. Figure 2. Whole cell, SEM. Figures 3–4. Body scales, TEM. Figures 5–8. Body scales, SEM. Figures 9–10. Apical scales, SEM. Figure 11. Apical scale, TEM. Scale bars: 2 μm.
FIGURES 5–13 in Mallomonas uralensis sp. nov. (Chrysophyceae, Synurales), a new species of the genus Mallomonas from the section Torquatae
FIGURES 5–13. Mallomonas uralensis sp. nov. Figure 5. Collar scale. Figures 6–9. Body scales of different shape. Figures 10–12. Rear scales. Figure 13. Bristle and scale (bottom view). Figures 5–7, 9–13: SEM. Figure 8: TEM. Scale bars: fig. 9 — 1 μm; figs. 5–8, 10–13 — 2 μm.
FIGURES 14–25 in Synura korshikovii sp. nov. (Chrysophyceae, Synurales), a new species from Ukraine
FIGURES 14–25. Synura korshikovii. SEM images of scales of different types. Figs. 14–18. Body scales. Fig. 19. Transition scale. Fig. 20. Elliptical caudal scale. Fig. 21. Body scale (bottom left corner) and three caudal scales of different shape. Figs. 23, 24. Caudal scales. Fig. 25. Two cells with the scales on the surface. Scale bars: Figs. 14–24: 1 μm; Fig. 25: 5 μm.
FIGURES 1–13 in Synura korshikovii sp. nov. (Chrysophyceae, Synurales), a new species from Ukraine
FIGURES 1–13. Synura korshikovii. TEM images of scales of different types. Figs. 1–4. Body scales. Fig. 5. Roundish caudal (top left corner) and body (bottom right corner) scales. Fig. 6. Ovate caudal (bottom left corner) and transition (top right corner) scales. Fig. 7. Transition scale with long spine. Figs. 8, 9. Roundish caudal scales. Fig. 10. Transition scale with reduce spine. Fig. 11. Elliptical caudal scale. Fig. 12. Transition scale. Fig. 13. Group of scales of different types. Scale bars: Figs. 1, 2, 4–12: 2 μm; Fig. 3: 1 μm; Fig. 13: 5 μm.
FIGURES 2–16 in A new species of the genus Mallomonas (Synurales, Chrysophyceae), Mallomonas fimbriata, sp. nov.
FIGURES 2–16. Mallomonas fimbriata, sp. nov. TEM and SEM images of different types of scales. Figs. 2–6. Body scales, TEM. Fig. 7. Caudal scale, TEM. Fig. 8. Caudal scale, SEM. Fig. 9. Group of body scales, SEM. Fig. 10. Group of scales including two caudal scales with short spines, SEM. Figs 11–13. Body scales, SEM. Fig. 14. Apical scale, SEM. Fig. 15: Body scale, bottom view, SEM. Fig. 16. Group of scales including two scales lying on the edge (lateral view), SEM. Scale bars: Figs. 2–8: 2 μm; Figs. 9–16: 1 μm.
FIGURE 2. A in Mallomonas alpestrina sp. nov. (Synurales, Chrysophyceae, Stramenopiles) and its spineless relatives-Mallomonas alata group
FIGURE 2. A. Whole-cell armor of Mallomonas alata f. alata in a scanning electron microscope (SEM) micrograph. B. Mallomonas alata f. hualvensis, whole cell in SEM. C. A combined micrograph of whole-cell armors of M. alata f. alata (upper part) and M. alata f. hualvensis (lower part) in a transmission electron microscope (TEM) micrograph. D. Whole-cell armor of M. tirolensis in TEM. Scale bar = 2 μm.
FIGURE 1. A–C in Mallomonas alpestrina sp. nov. (Synurales, Chrysophyceae, Stramenopiles) and its spineless relatives-Mallomonas alata group
FIGURE 1. A–C. Collar scales in: A. Mallomonas alata f. alata. B. Mallomonas alata f. hualvensis. C. Mallomonas tirolensis. D–F. Body scales in: D. Mallomonas alata f. alata. E. Mallomonas alata f. hualvensis. F. Mallomonas tirolensis. G–I. Transitional scales between the rear and the body scales in: G. Mallomonas. alata f. alata. H. Mallomonas alata f. hualvensis (note the considerably broad anterior flange). I. Mallomonas tirolensis. J–L. Rear scales in: J. Mallomonas alata f. alata. K. Mallomonas alata f. hualvensis. L. Mallomonas tirolensis. Scale bar = 1μm. A–L are shown at the same magnification.
FIGURE 3 in Mallomonas alpestrina sp. nov. (Synurales, Chrysophyceae, Stramenopiles) and its spineless relatives-Mallomonas alata group
FIGURE 3. Mallomonas alpestrina sp. nov. A. A collar scale. B–C. Body scales. D. Detail of body scale; note short ridges of reticulum surrounding large groups of pores. E–F. Asymmetrical body scales with one anterior flange considerably broader and shorter than the other. G–I. Rear scales. I. A rear scale bearing a diminutive spine. Scale bars = 1 μm, if not stated otherwise.
FIGURES 2–22 in Mallomonas cattiensis, sp. nov. (Synurales, Chrysophyceae), a new species from Viet Nam
FIGURES 2–22. Mallomonas cattiensis, sp. nov. TEM and SEM images of different types of scales. 2–3. Domed body scale with different focus, TEM. 4–5. Domed body scales, TEM. 6. Domeless body scale, TEM. 7. Domeless body scale, SEM. 8–9. Domed body scales, SEM. 10. Domed and domeless body scales, SEM. 11. Apical scale, SEM. 12. Domeless scale, SEM. 13. Group of scales, SEM. 14–16. Caudal scales, SEM. 17. Caudal scale, bottom view, SEM. 18. Domed body scale, bottom view, SEM. 19. Domeless body scale, lateral view, SEM. 20, 22. Bristles, SEM. 21. Bristle with domeless scale, SEM. Scale bars: 2–6, 13: 2 μm; 7–12, 14–22: 1 μm.
FIGURE 2. Mallomonas divida. A–D in Two new species of Mallomonas (Chrysophyceae: Synurales): Mallomonas temonis and Mallomonas divida
FIGURE 2. Mallomonas divida. A–D, collar scales with different shield patterns. The dome is partly reticulated by circular meshes; A–C, scales viewed in a transmission electron microscope (TEM); D, a scale viewed in a scanning electron microscope (SEM). The pattern on the shield is formed by one or several rows of more distinctive papillae; E–H, body scales with different shield patterns; E–G, scales viewed in TEM; H, a scale viewed in SEM; I, a rear scale with one anterior flange considerably longer than the other; J, two rearmost scales possessing spines; K, the scales comprising the scale case. Bar = 0.5 µm, if not stated otherwise. A–J are shown at the same magnification.
FIGURES 2–14 in A new species of the genus Mallomonas (Chrysophyceae: Synurales), Mallomonas kuzminii sp. nov., from lake Frolikha (Russia, Baikal region)
FIGURES 2–14. Mallomonas kuzminii sp. nov. TEM and SEM images of different types of scales. Figs. 2–3. Two forms of domed scales, TEM. Figs. 4–5. Domeless scales, TEM. Fig. 6. Caudal scale with spine, TEM. Figs. 7–8. Domed scales, SEM. Figs. 9–11, 16. Domeless scales, SEM. Fig. 12, 15 Caudal scale with spine, SEM. Fig. 13: Cyst, covered by scales, SEM. Fig. 14, 17. Bristles, SEM. Scale bars: Figs. 2, 4–5, 13: 2 µm; Figs. 3, 6–12, 14–17: 1 µm.
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