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FIGURE 4 in On a few benthic hydroids (Cnidaria, Hydrozoa) from the Kerguelen Islands (southern Indian Ocean), including the description of a new species

FIGURE 4. Campanularia sp.: A–B, hydrothecae; C, hydrothecal distal part showing cusps; D, distal part of pedicel, basal spherule and hydrothecal basal part. Sertularella contorta Kirchenpauer, 1884: E–F, hydrothecae; G, hydrotheca and basal part of branch; H, hydrotheca showing polyp and location of basal 'tentacles' (close-up showing tentacles). Scale bar: 200 µm (A, B, E–H), 100 µm (C, D).

FIGURE 1 in On a few benthic hydroids (Cnidaria, Hydrozoa) from the Kerguelen Islands (southern Indian Ocean), including the description of a new species

FIGURE 1. Candelabrum bitentaculatum sp. nov.: A, hydranth; B, basal and middle part of polyp; C, general view of polyp's gonophore-bearing middle part; D, blastostyles with gonophores; E, blastostyles; F, general view of a portion of polyp's distal part showing the location of putative male gonophore (arrow), with close-up showing that gonophore; G, general view of basal part of polyp; H, basal part of hydranth showing blastostyle-like structures (arrow pointing to one of them clearly showing the capitate and sucker tentacles), close-up showing sucker tentacles with perisarc plate. Scale bar: 10 mm (A, B), 5 mm (D).

FIGURE 3. Coryne pusilla Gaertner, 1774 in On a few benthic hydroids (Cnidaria, Hydrozoa) from the Kerguelen Islands (southern Indian Ocean), including the description of a new species

FIGURE 3. Coryne pusilla Gaertner, 1774: A, distal part of polyp; B, larger and smaller stenoteles. Eudendrium tottoni Stechow, 1932: C, polyp; D, hydranth's basal annular swelling; E, male gonophore. Tubularia sp.: F, hydranth and gonophores. Scale bar: 900 µm (F), 600 µm (F close-up), 200 µm (A), 100 µm (C, E), 50 µm (D), 10 µm (B).

FIGURE 2 in On a few benthic hydroids (Cnidaria, Hydrozoa) from the Kerguelen Islands (southern Indian Ocean), including the description of a new species

FIGURE 2. Candelabrum bitentaculatum sp. nov.: A, discharged microbasic eurytele; B, undischarged microbasic eurytele (arrow); C, larger and smaller desmonemes and?mastigophore (arrow); D, larger and smaller desmonemes; E, discharged desmoneme; F, stenotele. Scale bar: 10 µm.

opennotspecifiedJan 2017View details →

FIGURES 13–18 in Navicula amoyensis sp. nov. (Bacillariophyceae), a new benthic brackish diatom species from the Jiulong River estuary, Southern China

FIGURES 13–18. SEM micrographs of Navicula amoyensis sp. nov. Figs 13, 14. Internal views of entire valves of different frustules, showing an additional lateral thickening at the centre of the accessory rib (arrow). Fig. 15. Internal valve view showing details of central raphe fissures with a distinct central interruption (arrow). Fig. 16. Internal view showing details of the valve apices, where linear raphe axis distally terminated by more or less rounded helictoglossa (arrow) and positioned just below the terminal area. Fig. 17. Internal view. Striae composed of simple slit-like lineolae, positioned in shallow and narrow depressions (arrow). Fig. 18. Internal central raphe endings, interrupted by an extended thickening accessory rib (arrow). Scale bars in figs 13, 14 = 5 μm; fig. 15 = 2μm; figs 16–18 = 1 μm.

opennotspecifiedJan 2017View details →

FIGURES 19–22 in Navicula amoyensis sp. nov. (Bacillariophyceae), a new benthic brackish diatom species from the Jiulong River estuary, Southern China

FIGURES 19–22. SEM micrographs of internal and girdle views of Navicula amoyensis under SEM. Figs 19, 20. Internal view of entire valves of different frustules. Note that the helictoglossa is almost central (arrow). Figs 21, 22. Girdle views showing the constricted frustules in the middle. External view of frustules showing broad girdle with pectinate margin (arrow). Scale bars in figs 19–22 = 10 μm.

opennotspecifiedJan 2017View details →

FIGURES 9–12. Fig. 9 in Navicula amoyensis sp. nov. (Bacillariophyceae), a new benthic brackish diatom species from the Jiulong River estuary, Southern China

FIGURES 9–12. Fig. 9. External view of entire valve with terminal areas (arrow). Fig. 10. Central area showing the distinct continuous external central raphe endings. Figs 11, 12. Valve apices showing the external terminal raphe fissures deflected towards on the secondary valve side (arrow). Two rows of apical areolae at the valve apices. Scale bars in fig. 9 = 10 μm; fig. 10 = 2 μm; figs 11, 12 = 1 μm.

opennotspecifiedNov 2017View details →

FIGURES 1–3 in Validation of five diatom novelties published in "Freshwater Benthic Diatoms of Central Europe" and taxonomic treatment of the neglected species Tryblionella hantzschiana

FIGURES 1–3. Tryblionella hantzschiana Grunow reproduced from Grunow (1862: pl. XVIII: 29a, b, c), Original material (Scale bar: 10 μm), cited by Rabenhorst (1864–1868) and corresponding to pl. 27: fig. 1 in Krammer & Lange-Bertalot (1988), pl. 103, fig. 14 in Hofmann et al. (2013), and pl. 105, fig. 14 in Lange-Bertalot et al. (2017).

opennotspecifiedSep 2014View details →

FIGURES 24–35 in Haslea sigma (Naviculaceae, Bacillariophyta) a new sigmoid benthic species from salt marshes of Southern Brazil

FIGURES 24–35. SEM: Haslea sigma sp. nov. Figs. 24, 26–28, 32, 33. External view. Fig. 24. General view showing the outline of the valve. Fig. 26. Detail of two slits forming a wedge-like structure and detail of slightly curved terminal raphe. Fig. 27. Apice of valve showing the valve surface with straight, parallel and longitudinal strips (black arrow) separated by narrow slits (white arrow). Fig. 28. Detail of open valve showing cingulum composed by valvocopula (black arrow) and one copula (white arrow). Figs. 25, 29–31, 34, 35. Internal view. Fig. 25. General view showing the outline of the valve. Fig. 29. Valve center presenting raphe ending (black arrow), and a pseudostauros formed on primary side (ps) by one thickened virga (black arrow-head) and on secondary side (ss) by two thickened virgae (white arrow-head). Fig. 30. Center of valve showing on primary side part of accessory rib (black arrow), on secondary side the short accessory rib (white arrow) and the pseudostauros (black arrow-head). Fig. 31. Center of valve with pseudostauros, note that on primary and secondary sides the pseudostauros is formed by only one thickened virga. Figs. 32, 33. Longitudinal strips and slits, and central raphe fissures drop-like, bent to primary side. Figs. 34, 35. Apices showing helictoglossa (black arrow), quadrate areolae (white arrow) and end of accessory rib (arrow-head) on the primary side. Scale bars = 10 μm (Figs. 24, 25), 5 μm (Fig. 30), 2 μm (Fig. 27), 1 μm (Figs. 28, 29, 31–34), 0.5 μm (Figs. 26, 35).

Figure 1 in Coral reef benthic assemblages of a Marine Protected Area in eastern Brazil: effect of reef habitats on the spatial pattern of species

Figure 1. Location of the Marine Park Recife de Fora within Brazil and south Bahia (left) and map of the study area with sampling stations.

Figure 5 in Coral reef benthic assemblages of a Marine Protected Area in eastern Brazil: effect of reef habitats on the spatial pattern of species

Figure 5. Benthic cover of six major organisms/categories based on the SIMPER test along the reef assemblages recorded in the Marine Park Recife de Fora between February 2008 and January 2009. (a) Halophila decipiens; (b) fleshy macroalgae; (c) turf algae; (d) crustose coralline algae; (e) Millepora alcicornis; (f) Siderastrea spp.

Figure 4 in Coral reef benthic assemblages of a Marine Protected Area in eastern Brazil: effect of reef habitats on the spatial pattern of species

Figure 4. Batimetric profile across the Marine Park Recife de Fora, showing changes in per cent cover of major benthic organisms/categories across the reef habitats.

Figure 3 in Coral reef benthic assemblages of a Marine Protected Area in eastern Brazil: effect of reef habitats on the spatial pattern of species

Figure 3. Multidimensional scaling (NMDS) of benthic assemblages (relative cover of different organisms/categories) based on Chord similarities. (A) Samples classified according to sectors; (B) samples classified according to habitat. Habitats: ALG – algal slope, BAC – back reef, CHA – reef channel, FLA – reef flat, FOR – fore reef, PAT – patch reef, TID – tidal pool and UNC – unconsolidated substrate.

Figure 2 in Coral reef benthic assemblages of a Marine Protected Area in eastern Brazil: effect of reef habitats on the spatial pattern of species

Figure 2. Map of the geomorphologic classification of Voronoi polygons in the Marine Park Recife de Fora (adapted from Arantes and Seoane 2017).

FIGURES 103–110. Nitzschia tarangensis. SEM except Fig. 103 DIC, all from Y26C. Fig. 103. Holotype specimen, valve view. Fig. 104 in New species of benthic marine diatoms (Bacillariophyta) from the Western Pacific islands of Guam and Yap

FIGURES 103–110. Nitzschia tarangensis. SEM except Fig. 103 DIC, all from Y26C. Fig. 103. Holotype specimen, valve view. Fig. 104. Whole valve in SEM, external view. Fig. 105. Internal view of valve fragment showing fibula density (details in Figs 109, 110). Fig. 106. External aspect of apex showing keel extension (long arrow), broad hyaline border of valve (short arrow), and numerous apical pores (arrowhead). Fig. 107. Mid portion of valve showing ribs along edge of valve depression (arrow) and each side of the raphe, and differing pattern of peri-raphe pores on opposite sides of the raphe (arrowheads). Figs 108–110. Internal views of valves showing apices (different valves) and a mid-portion. Arrow on Fig. 108 points to keel extension, arrow on Fig. 109 points to rimate striae near apex. Arrow on Fig 110 points to line of elongate foramina under the rib along the edge of the valve depression. Arrowheads on Figs 108–110 point to periraphe pores visible in the keel. Scale bars: Fig. 105 = 20 µm, Figs 103, 104 = 10 µm, Figs 106–109 = 5 µm, Fig. 110 = 2 µm.

FIGURES 70–78 in New species of benthic marine diatoms (Bacillariophyta) from the Western Pacific islands of Guam and Yap

FIGURES 70–78. Parlibellus paschalis. LM DIC except SEM Figs 77, 78. Figs 70–72. Live cells in different orientations showing plastids resembling hot cross buns in valve view (Fig. 70), butterflies in girdle view (Fig. 71), and obliquely, GU44L. Fig. 73. Several cells still attached in colonies, tube material not visible, GU44K-6. Fig. 74. Single frustule in girdle view, GU44K-6. Fig. 75. Holotype valve, GU44L-C. Fig 76. Valve from GU44K-6. Figs 77, 78. SEM of valves in exterior aspect, showing line of prominent pores along each side of sternum (arrow), and interior aspect showing lack of cuniculi in central nodule; GU44L-C. Scale bars: Figs 70–72 = 20 µm, Figs 73–78 = 10 µm.

FIGURES 50–61 in New species of benthic marine diatoms (Bacillariophyta) from the Western Pacific islands of Guam and Yap

FIGURES 50–61. Climaconeis minaegensis (Figs 50–60) and C. petersonii (Fig. 61). Figs 50–52 LM DIC, Figs 53–61 SEM. Figs. 50, 51. C. minaegensis holotype, entire valve and higher power view of one half, Y18E, Yap. Fig. 52. Specimen from BA-5, Bakir Atoll, Marshall Islands, broken valve showing length and bend in valve. Figs 53, 54. Whole valve and detail of central portion, internal view, BA-6, Bakir. Figs 55, 56. External central and apical portions, Y18E. Figs 57, 58. Internal central and apical portions, Y18E. Fig. 59. Internal view with broken raphe sternum showing ribs on both sides of the raphe (arrow). Figs, 60, 61. Internal apical comparison of C. minaegensis (Fig. 60) and C. petersonii (Fig. 61) sternum structure and areola shape. Scale bars: Figs 50–53 = 10 µm, Figs 54–61 = 5 µm.

FIGURES 45–49. Climaconeis tarangensis. Fig. 45. Holotype, Y26C, DIC. Figs. 46–49 in New species of benthic marine diatoms (Bacillariophyta) from the Western Pacific islands of Guam and Yap

FIGURES 45–49. Climaconeis tarangensis. Fig. 45. Holotype, Y26C, DIC. Figs. 46–49. SEMs of valves from same sample. Fig. 46. Exterior central portion, also showing copulae. Fig. 47. External apical portion; note silica flap along one side of raphe. Fig. 48. Interior central portion. Fig. 49. Internal apical portion showing helictoglossa and convergent striae. Scale bars: Fig. 45 = 10 µm, Figs 46–49 = 2 µm.

FIGURES 40–44. Thalassionema baculum. Figs 40, 41 in New species of benthic marine diatoms (Bacillariophyta) from the Western Pacific islands of Guam and Yap

FIGURES 40–44. Thalassionema baculum. Figs 40, 41. Valves as seen in LM, Fig. 40 the holotype, GU44I-1. Fig. 42. Whole mount in SEM, GU44I-1. Fig. 43. Detail of valve exterior, showing simple occluding bars over the areolae. Fig 44. Detail of interior, showing rimoportula (arrow) and foramina, GU44BF-1A. Scale bars: Figs 40–42 = 5 µm, Figs 43, 44 = 2 µm.

FIGURES 33–39. Divergita macinnisii, curved species. SEM except Fig. 33 in New species of benthic marine diatoms (Bacillariophyta) from the Western Pacific islands of Guam and Yap

FIGURES 33–39. Divergita macinnisii, curved species. SEM except Fig. 33 DIC; all from J5, Jaluit Atoll, Marshall Islands. Fig. 33. Holotype, stacked images at several focal planes because frustule is angled. Figs 34–36. External views in SEM: whole frustule and details of center and apex. Figs. 37, 38. Apex and center of specimen from BA-3, Bikar Atoll. Fig. 39. Internal apex, showing rimoportula (arrow) and foramina, J5. Scale bars: Figs 33, 34 = 10 µm, Figs 35–39 = 2 µm.