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72 results for “Arcellinida”
FIGURE 9 in Frenopyxis stierlitzi gen. nov., sp. nov.-new testate amoeba (Amoebozoa Arcellinida) from the urban parks with notes on the systematics of the family Centropyxidae Jung, 1942
FIGURE 9. Centropyxis with two-chambered shells: a—C. matthesi, b—C. sylvatica (after Dekhtjar 2009).
FIGURE 1 in Frenopyxis stierlitzi gen. nov., sp. nov.-new testate amoeba (Amoebozoa Arcellinida) from the urban parks with notes on the systematics of the family Centropyxidae Jung, 1942
FIGURE 1. Light micrographs of Frenopyxis stierlitzi: a–f, j–l—ventral views, g—ventro-lateral view, h, i—lateral views. Scale bar—20 µm.
FIGURE 8 in Frenopyxis stierlitzi gen. nov., sp. nov.-new testate amoeba (Amoebozoa Arcellinida) from the urban parks with notes on the systematics of the family Centropyxidae Jung, 1942
FIGURE 8. Armipyxis with the internal septa originated from the apertural tube attached to the dorsal wall: a–d—A. discoides (after Netzel 1975), e–g—A. gasparella (after Cherdez & Beyens 1988).
FIGURE 5 in Frenopyxis stierlitzi gen. nov., sp. nov.-new testate amoeba (Amoebozoa Arcellinida) from the urban parks with notes on the systematics of the family Centropyxidae Jung, 1942
FIGURE 5. Morphological variability of Centropyxis ecornis in a single population (after Filimonova et al. 2005). Scale bar 50 µm.
FIGURE 3 in Frenopyxis stierlitzi gen. nov., sp. nov.-new testate amoeba (Amoebozoa Arcellinida) from the urban parks with notes on the systematics of the family Centropyxidae Jung, 1942
FIGURE 3. Outline of Frenopyxis stierlitzi: ventral (left) and lateral (right) views. 1–8—characters of the shell measurements. Scale bar: 20 μm.
FIGURE 3 in Meisterfeldia bitsevi-new testate amoeba of the family Cryptodifflugiidae Jung 1942 (Amoebozoa: Arcellinida) from the tree hollow in the urban park (Moscow Russia) with a key to species of the genus Meisterfeldia
FIGURE 3. Outline of Meisterfeldia bitsevi: ventral (left) and lateral (right) views. 1–5—characters of the shell measurements. Scale bar: 15 μm.
FIGURE 2 in Meisterfeldia bitsevi-new testate amoeba of the family Cryptodifflugiidae Jung 1942 (Amoebozoa: Arcellinida) from the tree hollow in the urban park (Moscow Russia) with a key to species of the genus Meisterfeldia
FIGURE 2. Scanning electron microscopic image of Meisterfeldia bitsevi: a—ventral view, b—lateral view, c—dorsal view. Scale bar 10 µm. Magnification x 2,500.
FIGURE 1 in Meisterfeldia bitsevi-new testate amoeba of the family Cryptodifflugiidae Jung 1942 (Amoebozoa: Arcellinida) from the tree hollow in the urban park (Moscow Russia) with a key to species of the genus Meisterfeldia
FIGURE 1. Light micrographs of Meisterfeldia bitsevi: a—ventral view, b—dorsal view, c, d—lateral views. Scale bar—15 µm. Magnification x 400.
FIGURE 5 in Meisterfeldia bitsevi-new testate amoeba of the family Cryptodifflugiidae Jung 1942 (Amoebozoa: Arcellinida) from the tree hollow in the urban park (Moscow Russia) with a key to species of the genus Meisterfeldia
FIGURE 5. Outlines of the species from the genus Meisterfeldia: a, b—M. bitsevi, c, d—M. chibisovi, e, f—M. wegeneri, g, h—M. vanhoornei, i, j—M. polygonia, k—M. turfacea; a, d, f, h, j—ventral views; b, c, e, g, i, k—lateral views; c–f, i, j—from Bobrov, 2016; g, h—from Beyens et al., 1986; k—from Zacharias, 1903. Scale bar 15 µm.
Figure 9 in Multiple convergences in the evolutionary history of the testate amoeba family Arcellidae (Amoebozoa: Arcellinida: Sphaerothecina): when the ecology rules the morphology
Figure 9. Netzelia lobostoma and Cucurbitella mespiliformis: scanning electron micrographs of oral and lateral view of the test. The images on the right represent details of the collar. On the left, a photograph of a typical habitat for these species, and original drawings of Netzelia lobostoma (Leidy, 1874) and of Cucurbitella mespiliformis (Penard, 1902).
Figure 8 in Multiple convergences in the evolutionary history of the testate amoeba family Arcellidae (Amoebozoa: Arcellinida: Sphaerothecina): when the ecology rules the morphology
Figure 8. Arcella guadarramensis: scanning electron micrographs of the aboral and oral sides of the test. The images on the right represent a detail of the test and the structure of the aperture. On the left, a photograph of a typical habitat for this species, and original drawing of the closest resembling species, Galeripora artocrea (Leidy, 1879).
Figure 7 in Multiple convergences in the evolutionary history of the testate amoeba family Arcellidae (Amoebozoa: Arcellinida: Sphaerothecina): when the ecology rules the morphology
Figure 7. Arcella conica: scanning electron micrographs of the aboral, oral and lateral sides of the test. The images on the right represent a detail of the test and the structure of the aperture. On the left, photographs of a typical habitat for the species, and original drawing of Arcella conica (Playfair, 1918).
Figure 5 in Multiple convergences in the evolutionary history of the testate amoeba family Arcellidae (Amoebozoa: Arcellinida: Sphaerothecina): when the ecology rules the morphology
Figure 5. Galeripora naiadis, Galeripora bathystoma and Galeripora polypora: scanning electron micrographs of the aboral and oral sides of the test, for G. naiadis the images correspond with pictures of Arcella discoides in Todorov & Bankov (2019). The images on the right represent a detail of the test and the structure of the aperture. On the left, a photograph of a typical habitat for each species, original drawing of the closest resembling species Galeripora discoides (Ehrenberg, 1843), and original drawing of Galeripora bathystoma (Deflandre, 1928) and Galeripora polypora (Penard, 1890).
Figure 4 in Multiple convergences in the evolutionary history of the testate amoeba family Arcellidae (Amoebozoa: Arcellinida: Sphaerothecina): when the ecology rules the morphology
Figure 4. Galeripora galeriformis, Galeripora bufonipellita, Galeripora sitiens and Galeripora balari: scanning electron micrographs of the aboral and oral sides of the test. The images on the right represent detail of the test and the structure of the aperture. On the left, a photograph of a typical habitat for each species, original drawing of the closest resembling species Galeripora arenaria (Greef, 1866), and original drawings of the synonymized species Arcella microstoma Penard, 1890 and Arcella aureola Maggi, 1888.
Figure 2. A in Multiple convergences in the evolutionary history of the testate amoeba family Arcellidae (Amoebozoa: Arcellinida: Sphaerothecina): when the ecology rules the morphology
Figure 2. A, scatterplot of the scores of linear discriminants with x-axis representing discriminant function 1 (LD1) and y-axis representing discriminant function 2 (LD2). Colours represent the different mitochondrial clades and symbols refer to the different sections after Deflandre (1928): squares are for Section 1 'Vulgares', circles for Section 2 'Carinatae' and triangles for Section 3 'Aplanatae'. The drawings represent the different morphotypes. B, the table represents the results of a linear discriminant analysis which determines the relationship between predicted and observed specimens cells for each mitochondrial clade.
Figure 6 in Multiple convergences in the evolutionary history of the testate amoeba family Arcellidae (Amoebozoa: Arcellinida: Sphaerothecina): when the ecology rules the morphology
Figure 6. Galeripora catinus: scanning electron micrographs of the aboral and oral sides of the test. The images on the right represent a detail of the test and the structure of the aperture. On the left, a photograph of a typical habitat for the species, a peat bog and original drawing of Galeripora catinus (Penard, 1890).
Figure 1 in Multiple convergences in the evolutionary history of the testate amoeba family Arcellidae (Amoebozoa: Arcellinida: Sphaerothecina): when the ecology rules the morphology
Figure 1. Bayesian phylogenetic tree based on 52 partial sequences COI mtDNA data, 618-nucleotide position alignment. The posterior probability values (Bayesian analysis) and bootstrap values (maximum-likelihood) are represented at each node, with a letter representing the different mitochondrial clades along the branches. The colours represent the mitochondrial clades that compose the different figures. Next to each species name is the original habitat (freshwater/Sphagnum/terrestrial mosses) and the section according to Deflandre (1928). The drawings show the tests of illustrative species in lateral and oral side views. Drawings by CSZ.
FIGURE 4 in Meisterfeldia bitsevi-new testate amoeba of the family Cryptodifflugiidae Jung 1942 (Amoebozoa: Arcellinida) from the tree hollow in the urban park (Moscow Russia) with a key to species of the genus Meisterfeldia
FIGURE 4. Comparison of mean shell size of different species from the genus Meisterfeldia.
Fig. 4. Certesella larai n in Certesella larai (Amoebozoa: Arcellinida: Hyalospheniformes) a new soil testate amoeba species from the Dominican Republic and Chile challenges the definition of genera Certesella and Porosia
Fig. 4. Certesella larai n.sp. scanning electron microscopy images showing the overall shape, the chitinous rim of the pseudostome, the detail of an elongated pore and the plates (presumably recycled from euglyphid testate amoebae) covering the shell.
FI GU R E 1 Schematic drawing of Apodera angatakere and codes of the measurements taken. (A) Length of the test; (B) width of test; (C) width of the pseudostome; (D) length of the neck; (E) maximal width of the neck; (F) width of the test at the constriction; (G) length of the test without the neck in Superficially described and ignored for 92 years, rediscovered and emended: Apodera angatakere (Amoebozoa: Arcellinida: Hyalospheniformes) is a new flagship testate amoeba taxon from Aotearoa (New Zealand)
FI GU R E 1 Schematic drawing of Apodera angatakere and codes of the measurements taken. (A) Length of the test; (B) width of test; (C) width of the pseudostome; (D) length of the neck; (E) maximal width of the neck; (F) width of the test at the constriction; (G) length of the test without the neck
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International Brain Laboratory public data
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