Find research datasets worth reusing

FIGURES 75–80 in A revision of the diatom genus Lyrella Karayeva (Bacillariophyta: Lyrellaceae) from the Black Sea, with descriptions of five new species

FIGURES 75–80: Lyrella hennedyi. Figs 75–77: Valve view, LM, scale bar = 10 µm. Fig. 78: Internal view, note the relatively narrow elevated, structureless lyrate lateral areas being relief-like, elevated above internal valve surface with dispersed areolae, SEM, scale bar = 7 µm. Specimens from the Black Sea (Laspi Bay, Vitino coast, Phyllophorae Field, Dvujakornaya Bay). Fig. 79: Navicula hennedyi, specimen from BM 23529; scale bar = 10 µm. Fig. 80: photograph of the type slide BM 23529.

FIGURES 20–26 in A revision of the diatom genus Lyrella Karayeva (Bacillariophyta: Lyrellaceae) from the Black Sea, with descriptions of five new species

FIGURES 20–26: Lyrella ruppelii sp. nov. LM images. Figs 20–26: Valve view, scale bar = 10 µm. Specimens from the Black Sea (NWBS, Zernov's Phyllophorae field). Holotype is illustrated in Fig. 21.

FIGURES 14–19 in A revision of the diatom genus Lyrella Karayeva (Bacillariophyta: Lyrellaceae) from the Black Sea, with descriptions of five new species

FIGURES 14–19: Figs 14–17: Lyrella pontieuxini sp. nov. Valve view, show variation in size and outline. LM, scale bar = 10 µm. Specimens from the Black Sea (Balaklava Bay, Omega Bay, Dvujakornaja Bay) Holotype is illustrated in Fig. 15. Fig. 18: Lyrella cf. pontieuxini, external view, SEM, scale bar = 20 µm. Fig. 19: Lyrella rattrayi comb. nov., reproduction of published line-drawing by H. & M. Peragallo (1874–1908: pl. 21, fig. 38) as Navicula abrupta var. rattrayi, scale bar = 10 µm.

FIGURES 1–9 in A revision of the diatom genus Lyrella Karayeva (Bacillariophyta: Lyrellaceae) from the Black Sea, with descriptions of five new species

FIGURES 1–9: Lyrella abruptapontica sp. nov. LM images. Figs 1–9: Valve view, showing variation in size and outline, scale bar = 10 µm. Specimens from the Black Sea (Sevastopol Bay, Balaklava Bay, Karadag, Feolent Cape, Vitino coast). Holotype is illustrated in Fig. 1.

FIGURES 10–13 in A revision of the diatom genus Lyrella Karayeva (Bacillariophyta: Lyrellaceae) from the Black Sea, with descriptions of five new species

FIGURES 10–13: Lyrella abruptapontica sp. nov. SEM images. Fig. 10: Internal view, scale bar = 20 µm. Fig. 11: Internal view, scale bar = 10 µm. Fig. 12: Internal view, scale bar = 9 µm. Fig. 13: External view, note the raphe external central and apical endings, the areolae and the lateral areas. Specimens from the Black Sea (Karadag, Dvujakornaya Bay, Sevastopol Bay).

FIGURES 66, 67 in A revision of the diatom genus Lyrella Karayeva (Bacillariophyta: Lyrellaceae) from the Black Sea, with descriptions of five new species

FIGURES 66, 67: Lyrella dilatata comb. nov., stat. nov. SEM images. Fig. 66: Internal view; scale bar = 10 µm. Fig. 67: External view, scale bar = 20 µm. Note external terminal and central raphe ending, which are rather simple in comparison with other Lyrella species. Specimens from the Black Sea (Balaklava Bay, Omega Bay).

FIGURES 108–111, 113–125 in Gliwiczia gen. nov. a new monoraphid diatom genus from Lake Baikal with a description of four species new for science

FIGURES 108–111, 113–125: Gliwiczia calcar comb. nov. Figs 108–111, 113–123: Figs 108–109: Valve view of rapheless valves from type material. Fig. 110. Original drawing of Achnanthes calcar from Cleve (1891). Fig. 111. Drawing from Cleve (1891) that he noted as possible belonging to raphe valve of Achnathes calcar. Fig. 112. Raphe valves abundant in type material comparable with fig. 111 and belonging to Cavinula spp. Figs 113–120. Valve view of rapheless valves of Gliwiczia cf. calcar comb. nov. from Hoton Nur lake, Mongolia. Figs 121, 122. Valve view of rapheless valves of Gliwiczia cf. calcar comb. nov. from Lake Dalnee, Kamchatka. Fig. 123. Valve view of raphe valves of Gliwiczia cf. calcar comb. nov. from Lake Dalnee, Kamchatka. Figs 124, 125. Internal view of rapheless valves of Gliwiczia cf. calcar comb. nov. from Lake Dalnee, Kamchatka. (108, 109, 112–123: LM; 110, 111: drawings; 124,125: SEM). Scale bars: 10 µm.

FIGURES 67–88 in Gliwiczia gen. nov. a new monoraphid diatom genus from Lake Baikal with a description of four species new for science

FIGURES 67–88: Gliwiczia latarea sp. nov. Figs 67–88: Figs 67–78: Valve view of rapheless valves. Fig. 67: arrow indicates presence of cavum in sternum valve. Figs 79–83: Valve view of raphe valves. Fig. 79: arrow indicates presence of cavum in raphe valve. Fig. 84. Internal view if raphe valve note presence of cavum. Figs 85, 87, 88: Internal valve view of rapheless valves, note presence of striae in central part opposite cavum. Fig. 86. Internal view of valve part with cavum (67–78: LM; 84–88: SEM). Scale bar: 10 µm.

FIGURES 63–66 in Gliwiczia gen. nov. a new monoraphid diatom genus from Lake Baikal with a description of four species new for science

FIGURES 63–66: Gliwiczia tenuis sp. nov. Figs 63–66: Fig. 63–64: Internal view of rapheless valves note shorter striae in central part of valve opposite cavum. Fig. 65. Internal view of raphe valve note presence of cavum. Fig. 66: External view of raphe valve. It is questionable whether this valve belongs to G. tenuis sp. nov. (SEM).

FIGURES 37–42 in Gliwiczia gen. nov. a new monoraphid diatom genus from Lake Baikal with a description of four species new for science

FIGURES 37–42: Gliwiczia skvortzowii sp. nov. Figs 37–42: Figs 37–40: Internal valve view of rapheless valves. Figs 41–42: Internal view of rapheless valves, note pair of foramina lips. (SEM).

FIGURES 43–62 in Gliwiczia gen. nov. a new monoraphid diatom genus from Lake Baikal with a description of four species new for science

FIGURES 43–62: Gliwiczia tenuis sp. nov. Figs 43–66: Figs 43–55: Valve view of rapheless valves. Fig. 43: arrow indicates presence of cavum in sternum valve. Figs 56–58: Valve view of raphe valves. Fig. 58: arrow indicates presence of cavum in raphe valve. Figs 59: Internal valve view of rapheless valve. Fig. 60 Internal view of valve part with cavum. Figs 61, 62. Internal view of areolae covered by circular foramina, come off from areolae in fig. 61 (43–58: LM; 59–62: SEM). Scale bar: 10 µm.

FIGURES 89–107 in Gliwiczia gen. nov. a new monoraphid diatom genus from Lake Baikal with a description of four species new for science

FIGURES 89–107: Gliwiczia vixcalcar sp. nov. Figs 89-107: Figs 89–101: Valve view of rapheless valves. Fig. 89: arrow indicates presence of cavum in sternum valve. Figs 102, 103: Valve view of raphe valves. Fig. 103: arrow indicates presence of cavum in raphe valve. Figs 104–106: Internal valve view of rapheless valves. Fig. 106. Internal view of valve part, note the pore occlusion. Fig. 107: Internal view of raphe valve note presence of cavum (89–103: LM; 104–107: SEM). Scale bar: 10 µm.

FIGURES 33–36 in Gliwiczia gen. nov. a new monoraphid diatom genus from Lake Baikal with a description of four species new for science

FIGURES 33–36: Gliwiczia skvortzowii sp. nov. Figs 33–36: Figs 33–36: External valve view of raphe valves. (SEM).

FIGURES 1–32 in Gliwiczia gen. nov. a new monoraphid diatom genus from Lake Baikal with a description of four species new for science

FIGURES 1–32: Gliwiczia skvortzowii sp. nov. Figs 1–34: Figs 1–19: Valve view of rapheless valves. Fig. 1: arrow indicates presence of cavum in sternum valve. Figs 20–32: Valve view of raphe valves. Fig. 20: arrow indicates presence of cavum in raphe valve. (LM). Scale bar: 10 µm.

opennotspecifiedJul 2013View details →

FIGURE 2 in A new species of the diatom genus Campylodiscus (Bacillariophyta, Surirellaceae) from Dongtan, Chongming Island, China

FIGURE 2. LM micrographs of Campylodiscus sinensis, sp. nov. Figure B is the holotype. Scale bars = 10 µm.

FIGURES 13–15 in Envekadea metzeltinii sp. nov., a new diatom (Bacillariophyta) species from the subtropical karstic wetlands of the Florida Everglades, U.S.A.

FIGURES 13–15: Envekadea metzeltinii. SEM images. Fig. 13: Internal view of valve showing axial costae and unoccluded areolae. Fig. 14: Detail of internal central area showing slight widening of axial costae. Fig. 15: Detail of internal valve apex showing divergence of axial costae and simple helictoglossae. Scale bar represents 10 µm in Fig. 13 and 1 µm in Figs 14–15.

FIGURES 8–12 in Envekadea metzeltinii sp. nov., a new diatom (Bacillariophyta) species from the subtropical karstic wetlands of the Florida Everglades, U.S.A.

FIGURES 8–12: Envekadea metzeltinii. SEM images. Fig. 8: External view of an entire valve showing wide variability in size and shape of the areolae and the sigmoid course of the raphe. Fig. 9: Detail of external central area showing the proximal raphe endings, terminating in a depression, bordered by four slightly raised plates. The arrow highlights the raised nodule. Fig. 10: Detail of external valve apex showing irregularly-shaped areolae with short silica outgrowths inside. Fig. 11: Detail of the distal raphe fissure and enlarged hyaline zone. Fig 12: Detail of external valve mantle showing uninterrupted striae and a narrow hyaline area near mantle edge. Scale bar represents 10 µm in Fig. 8 and 1 µm in Figs 9–12.

FIGURE 1 in Envekadea metzeltinii sp. nov., a new diatom (Bacillariophyta) species from the subtropical karstic wetlands of the Florida Everglades, U.S.A.

FIGURE 1. Map of locations in Florida, U.S.A. and the Yucatan, Mexico with record of at least 5 valves of Envekadea metzeltinii (refer to Table 1 for coordinates). Star symbol in south Florida inset indicates holotype locality. Northernmost location in Florida indicates locality of longest specimen observed. Lines in Florida indicate canals.

FIGURES 2–7 in Envekadea metzeltinii sp. nov., a new diatom (Bacillariophyta) species from the subtropical karstic wetlands of the Florida Everglades, U.S.A.

FIGURES 2–7: Envekadea metzeltinii. LM images. Fig 2: Specimen from Water Conservation Area 3A, Florida, U.S.A. (25°52.761, -80°41.476) collected by F. Tobias on November 17, 2009 (refer to Fig. 1). Figs 3–7: Specimens from holotype material. Scale bar represents 10 µm.