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Fig. 6 in Neotypification of Difflugia biwae (Amoebozoa: Tubulinea: Arcellinida) from the Lake Biwa, Japan

Fig. 6. Scatter plot of principal component scores (PC1 and PC2) performed with size-corrected data of four different sample series from Lake Biwa (1961: neotype and VSS I, 1961: Mesurement#1 and 1963: Mesurement#2) and Mulan Lake. Crosses, neotype and VSS 1; open circles, Measurement#1; filled triangles, Measurement#2; filled circles, Mulan Lake, China; arrow, neotype. Each broken line circle indicates 95% confidence limit. Table 1. Morphometric characteristics of Difflugia biwae from Lake Biwa (taken in 1961: neotype and VSS I, n=19: left, 1961: Measurement#1, n=161: middle left, 1963: Measurement#2, n=70: middle right), and from Mulan Lake (n=100: right)1. Measurements in µm. Minimum (Min), maximum (Max), arithmetic mean (X), standard deviation (SD), and coefficient of variation in % (CV).

Fig. 4 in Neotypification of Difflugia biwae (Amoebozoa: Tubulinea: Arcellinida) from the Lake Biwa, Japan

Fig. 4. Light micrographs of the shell of Difflugia biwae. A–D, Lateral views of whole shells of four different specimens with variations (A after "Photo. 1" in Ichise et al. 2004); E, apertural view showing the circular aperture is surrounded by a conspicuous great collar flare; F, apertural view showing the protuberance. Sampling data, Morph#1 in the Materials and Methods section. Scale 100 µm in A for A–D; scale 100 µm in E for E and F.

Fig. 2 in Neotypification of Difflugia biwae (Amoebozoa: Tubulinea: Arcellinida) from the Lake Biwa, Japan

Fig. 2. Shell outline and positions of measured axes used in present study: TL, total length; BW, body width; CD, collar diameter; NW, neck width; BL, body length; PD, protuberance diameter; PL, protuberance length.

Fig. 1 in Neotypification of Difflugia biwae (Amoebozoa: Tubulinea: Arcellinida) from the Lake Biwa, Japan

Fig. 1. Maps illustrating the longtime sampling in the Lake Biwa. Left upper map provides an overview of the area with frames indicating the position of the map of Lake Biwa. Codes refer to sample sites given in the Materials and Methods section; filled symbols refer to St. I–V; an open symbol refers to St. 6.

Fig. 3 in Neotypification of Difflugia biwae (Amoebozoa: Tubulinea: Arcellinida) from the Lake Biwa, Japan

Fig. 3. Line drawings of Difflugia biwae. A, Lateral view with cytoplasm (original line drawing, originally no scale: after Kawamura 1918); B, lateral view of shell (present study, scale 100 µm for B).

Fig. 4–7 in A New Species Of Testate Amoebae Of The Genus Difflugia From The Freshwaters Of Azerbaijan (Rhizopoda, Testacea, Difflugiidae)

Fig. 4–7. Difflugia alekperovi sp. n.: 4–5 — LM photographs; 6–7 — SEM photographs. Рис. 4–7. Difflugia alekperovi sp. n.: 4–5 — фотографии, выполненная при помощи световой микроскопии (LM); 6–7 — фотографии, выполненная при помощи электронной микроскопии (SEM).

Fig. 2–3 in A New Species Of Testate Amoebae Of The Genus Difflugia From The Freshwaters Of Azerbaijan (Rhizopoda, Testacea, Difflugiidae)

Fig. 2–3. Water reservoir in Azfilial settlement (2) and Khanbulanchay water reservoir (3), Lenkoran District, Azerbaijan. Рис. 2–3. Общий вид водоёма в посёлке Азфилиал (2) и Ханбуланчайского водохранилища (3), Ленкоранский район Азербайджана.

Fig. 1 in A New Species Of Testate Amoebae Of The Genus Difflugia From The Freshwaters Of Azerbaijan (Rhizopoda, Testacea, Difflugiidae)

Fig. 1. Map showing the location of sampling points on the water reservoir in Azfilial settlement (1) and Khanbulanchay water reservoir (2), Lenkoran District, Azerbaijan. Рис. 1. Карта расположения точек сбора проб на водоёме в посёлке Азфилиал (1) и Ханбуланчайском водохранилище (2), Ленкоранский район Азербайджана.

Fig. 8–28 in A New Species Of Testate Amoebae Of The Genus Difflugia From The Freshwaters Of Azerbaijan (Rhizopoda, Testacea, Difflugiidae)

Fig. 8–28. Species of the genus Difflugia: 8 — Difflugia subaequalis Penard, 1910, general view; 9 — D. subaequalis, apertural view (5–6 after Penard, 1910); 10 — D. lithoplites Penard, 1902, general view; 11 — D. lithoplites, apertural view; 12–13 — D. lithoplites, aperture (7–10 Penard, 1902); 14–15 — D. lithoplites, LM photographs (14–15 after http://www.arcella.nl/difflugia-lithoplites); 16 — D. lebes sphaerica Gauthier-Lièvre et Thomas, 1958, general view; 17 — D. lebes sphaerica, apertural view; 18 — D. lebes masurica Schönborn, 1965, general view (16–18 after Gauthier-Lièvre et Thomas, 1958); 19 — D. geosphaira Ogden, 1991, LM photographs, general view; 20 — D. geosphaira, LM photographs, apertural view (19–20 after http://www.arcella. nl/difflugia-geosphaira); 21 — D. globulosa Dujardin, 1837, general view; 22 — D. globulosa, apertural view (21–22 after Gauthier-Lièvre et Thomas, 1958); 23 — D. globulosa, LM photographs (23 after http://www. arcella.nl/difflugia-globulosa); 24 — D.globularis Wallich, 1864, general view (24 after Beyens, Chardez, 1984); 25 — D. globularis, LM photographs, general view; 26 — D.globularis, LM photographs, apertural view (25–26 after Zapata, Álvarez, Cea, 2002); 27 — D. minuta var. grandis Gauthier-Lièvre et Thomas, 1958, general view; 28 — D. minuta var. grandis, apertural view (27–28 after Gauthier-Lièvre et Thomas, 1958). Рис. 8–28. Виды рода Difflugia: 8 — Difflugia subaequalis Penard, 1910, общий вид; 9 — D. subaequalis, вид устья (8–9 по: Penard, 1910); 10 — D. lithoplites Penard, 1902, общий вид; 11 — D. lithoplites, вид устья; 12–13 — D. lithoplites, устье (10–13 по: Penard, 1902); 14–15 — D. lithoplites, LM фотографии (14– 15 по: http://www.arcella.nl/difflugia-lithoplites); 16 — D. lebes sphaerica Gauthier-Lièvre et Thomas, 1958, общий вид; 17 — D. lebes sphaerica, apertural view; 18 — D. lebes masurica Schönborn, 1965, общий вид (16–18 по: Gauthier-Lièvre et Thomas, 1958); 19 — D. geosphaira Ogden, 1991, LM фотографии, общий вид; 20 — D. geosphaira, LM фотографии, вид устья (19–20 по: http://www.arcella.nl/difflugia-geosphaira); 21 — D. globulosa Dujardin, 1837, общий вид; 22 — D. globulosa, вид устья (21–22 по: Gauthier-Lièvre et Thomas, 1958); 23 — D. globulosa, LM фотографии (23 по: http://www.arcella.nl/difflugia-globulosa); 24 — D. globularis Wallich, 1864, общий вид (24 по: Beyens, Chardez, 1984); 25 — D. globularis, LM фотографии, общий вид; 26 — D. globularis, LM фотографии, вид устья (25–26 по: Zapata, Álvarez, Cea, 2002); 27 — D. minuta var. grandis Gauthier-Lièvre et Thomas, 1958, общий вид; 28 — D. minuta var. grandis, вид устья (27–28 по: Gauthier-Lièvre et Thomas, 1958).

Fig. 7A–D in Testate Amoebae from South Vietnam Waterbodies with the Description of New Species Difflugia vietnamica sp. nov.

Fig. 7A–D. Scanning electron micrographs of Difflugia vietnamica sp. nov. (A, B) View of shape (A) and view with emphasis on the apertural edge (B) of the first specimen. (C, D) View of shape (C) and view with emphasis on the apertural edge (D) of second specimen.

Fig. 4 in Testate Amoebae from South Vietnam Waterbodies with the Description of New Species Difflugia vietnamica sp. nov.

Fig. 4. Dendrogram of cluster analysis (complete linkage). Rivers (RI), wetlands (WE), natural lakes (NL), reservoirs (RE), irrigation channels (ICH).

Fig. 2 in Testate Amoebae from South Vietnam Waterbodies with the Description of New Species Difflugia vietnamica sp. nov.

Fig. 2. Species richness of testate amoebae within different genera in waterbodies of South Vietnam.

Fig. 5 in Testate Amoebae from South Vietnam Waterbodies with the Description of New Species Difflugia vietnamica sp. nov.

Fig. 5. PCA ordination biplot of testate amoebae samples, species richness (SR) and environmental variables – temperature (Temp), pH, dissolved oxygen (DO), electrical conductivity (EC). Samples were collected from different-type waterbodies: irrigation channels (ICH), natural lakes NL), reservoirs (RE), rivers (RI), wetlands (WE).

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Fig. 3 in Testate Amoebae from South Vietnam Waterbodies with the Description of New Species Difflugia vietnamica sp. nov.

Fig. 3. Boxplot of sample species richness by main types of studied waterbodies.

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Fig. 6 in Testate Amoebae from South Vietnam Waterbodies with the Description of New Species Difflugia vietnamica sp. nov.

Fig. 6. Outline of Difflugia vietnamica sp. nov. Letters – measured characters (see Table 1).

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FIGURE 1 in Morphology of testate amoeba Difflugia australis (Playfair, 1918) Gautier-Lièvre et Thomas, 1958 from a subtropical reservoir (southeast China)

FIGURE 1. Morphometric characteristics of Difflugia australis from Shidou Reservoir, Xiamen, China. (A) Shell outline (lateral and apertural views) showing covering of irregularly shaped, flat particles and position of measured morphometric axes in this study. 1–total shell length, 2–shell width, 3–aperture diameter, 4–collar height, 5–body length, 6–spine length. (B) Frequency plots of shell dimensions. Histograms showing the size frequency of aperture diameter (left column), shell width (middle column) and total shell length (right column). (C) Frequency plots of mineral dimensions. Histograms showing the size frequency of apertural mineral perimeter (left column), body mineral perimeter (middle column) and spine mineral perimeter (right column).

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FIGURE 4 in Morphology of testate amoeba Difflugia australis (Playfair, 1918) Gautier-Lièvre et Thomas, 1958 from a subtropical reservoir (southeast China)

FIGURE 4. The shell elemental composition of Difflugia australis as measured in full scale X-Ray on aperture (A), body (B) and spine (C) sections. The scale bars are 10 μm.

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Fig. 5 in Neotypification of Difflugia biwae (Amoebozoa: Tubulinea: Arcellinida) from the Lake Biwa, Japan

Fig. 5. Scanning electron micrographs of the shell of Difflugia biwae. A, Lateral view of whole shell; B, apertural view showing the circular aperture is surrounded by a conspicuous great collar flare; C, lateral-apertural view of collar flare; D, composed of mineral particles or diatom frustules (typically Praestephanos suzukii, endemic diatom of Lake Biwa) as xenosomes, captured from their environment; E, detail of surface of collar flare rim (inside) with small angular particles and flattish pieces of quartz; F, detail of surface of collar flare rim (outside); G, tip of the protuberance with flattish pieces of quartz. Sampling data of these specimens was given as Morph#1 in the Materials and Methods section. Scales are given in each photo.

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FIGURE 2 in Morphology of testate amoeba Difflugia australis (Playfair, 1918) Gautier-Lièvre et Thomas, 1958 from a subtropical reservoir (southeast China)

FIGURE 2. Light micrographs of Difflugia australis. (A) Apertural view. (B–P) Lateral views showing the shape of different specimens. Scale bars are 25 μm.

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FIGURE 3 in Morphology of testate amoeba Difflugia australis (Playfair, 1918) Gautier-Lièvre et Thomas, 1958 from a subtropical reservoir (southeast China)

FIGURE 3. Scanning electron micrographs of Difflugia australis. (A, B, I, J) lateral-oblique view showing the aperture and collar. (C, D) lateral view showing the collar. (E–H) lateral view showing different shell shapes and the spine. (K) microstructure of organic cement. (L) agglutinated microbial spore. (M, N) details of the particles on the spine. Scale bars: A–J, 25 μm; K, 5 μm; L, 1 μm; M–N, 5 μm.