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129 results for “Chimera”
FIGURE 11 in Accidental monstrosities: Taxonomic chimeras in Ostracoda (Crustacea)
FIGURE 11. Fabaeformiscandona levanderi (Hirschmann). A–G from the Baltic Sea coast of Finland (from Hirschmann 1912, plate 1, figs 1–4, plate 2, figs 17–19); H–L from Mindelsee, Germany (from Petkovski 1977, figs 7, 10–12, with Permission). A, female LV external, convex break in slope of posterior margin arrowed (a); B, female RV external; C, male LV external, elongate bulbous flange arrowed (b); D, male RV external; E, male left 5th limb endopodite (clasper), lanceolate distal part arrowed (c); F, male right 5th limb endopodite (clasper); G, male hemipenis, bilobate lateral lobe arrowed (d); H, female LV external, convex break in slope of posterior margin arrowed (a); I, male LV external, elongate bulbous flange arrowed (b); J, male left 5th limb endopodite (clasper), lanceolate distal part arrowed (c); K, male right 5th limb endopodite (clasper); L, male hemipenis, bilobate lateral lobe arrowed (d). Female LVs illustrated in A and H were used in the comparative morphological analysis as B1 and B5, respectively (see Table 2). Not to scale.
FIGURE 7 in Accidental monstrosities: Taxonomic chimeras in Ostracoda (Crustacea)
FIGURE 7. Eucandona balatonica (Daday) from Daday (1900; figs. 48a, 49f–h). A, female LV external view; B, C, male left and right 5th limb endopodite claspers; D, hemipenis, with added arrows indicating (a) lateral triangular process and (b) the distal part of the M-process. Not to scale.
FIGURE 14 in Accidental monstrosities: Taxonomic chimeras in Ostracoda (Crustacea)
FIGURE 14. Fabaeformiscandona levanderi (Hirschmann), SEM images (by Martin Gross, UMJGP) of female LVs from Lake Serwy, Poland. A–C (220207-04): A, external lateral view; B, internal lateral view, posterior margin denticulated lobe arrowed; C, detail of B showing denticulated lobe, broken denticles arrowed; D–F (220207-05): D, external lateral view; E, internal lateral view, denticulated lobe arrowed; F, detail of E showing denticulated lobe, broken denticles arrowed.
FIGURE 8. Candona balatonica Daday, comparative morphology. A in Accidental monstrosities: Taxonomic chimeras in Ostracoda (Crustacea)
FIGURE 8. Candona balatonica Daday, comparative morphology. A, female RV external view, from Daday (1900, fig. 48b); B, female RV external view, from Müller (1900, plate 8); C–E, male limbs, from Müller (1900, plate 7): C and D, left and right 5th limb endopodites (claspers); E, hemipenis, with added arrows indicating (a) lateral triangular process and (b) distal part of M-process. Not to scale.
FIGURE 5 in Accidental monstrosities: Taxonomic chimeras in Ostracoda (Crustacea)
FIGURE 5. Fabaeformiscandona valve outlines, illustrating the algorithm used for calculation of the linear distance between corresponding control points. A, F. acuminata, outline of the valve computed with Morphomatica using 24 control points within a bounding box. B, Superimposition of the outlines of three morphotypes (standardised for equal surface), F. acuminata (0), F. balatonica A1b (1) and F. levanderi B1 (2); the lengths of the vectors for the corresponding control points are calculated from the reference outline (0) of F. acuminata.
FIGURE 4 in Accidental monstrosities: Taxonomic chimeras in Ostracoda (Crustacea)
FIGURE 4. Fabaeformiscandona valve outlines in lateral view, showing comparative methods for measuring the inclination of the upper (Up) and the lower (Do) segments of the posterior margin of the outline. A, B, F. balatonica; C, D, F. levanderi. A, C = Method 1, using the lines of the segments between the control points d2 and m1 (red line for Up) and the control points m1 and v11 (green line for Do), with angles measured relative to the X-axis of inertia. B, D = Method 2 using visual approximation of the Up (red line) and Do (green line) segments of the posterior margin, with angles measured relative to the horizontal line defined by the two convexities of the ventral margin.
FIGURE 6 in Accidental monstrosities: Taxonomic chimeras in Ostracoda (Crustacea)
FIGURE 6. Candona balatonica Daday as illustrated by Bronshtein (1947, fig. 155). A, female LV; B, male LV; C, male left 5th limb endopodite (clasper); D, male right 5th limb endopodite (clasper); E, male hemipenis (note that is inverted compared to the standard orientation as shown, e.g., in Fig. 12); F, female genital lobe and furcal ramus. Not to scale.
FIGURE 3 in Accidental monstrosities: Taxonomic chimeras in Ostracoda (Crustacea)
FIGURE 3. Measurable morphological traits defined in the text. A, B, outline of a Fabaeformiscandona valve. A, outline of the valve computed with Morphomatica, using 24 control points; X-axis of inertia (m1–m2) separates Dorsal (d1–d11) and Ventral (v1–v11) segments of outline and control points; Ce = Centroid; Anterior and Posterior areas separated by the Y-axis of inertia; dashed lines = anterior and posterior chords as substitutes for the anterior and posterior curvatures. B, outline of the valve within a bounding box; H-max = maximum height; L-max = maximum length; D-max = distance from the anterior extremity of the outline to the line of the maximum height. C, male fifth limb endopodite (clasper) showing gape angle of hook, determined by visual estimation of the long axes (dashed lines) of the two arms of the hook, followed by measurement of the angle between them.
FIGURE 2. The Loxoconcha dimorpha taxonomic chimera and its correction. A–C in Accidental monstrosities: Taxonomic chimeras in Ostracoda (Crustacea)
FIGURE 2. The Loxoconcha dimorpha taxonomic chimera and its correction. A–C, SEM images of Loxoconcha dimorpha Hartmann, 1959 as revised by Horne (1982a): A, female RV, 1982.34; B, female LV, 1982.33; C, male LV, 1982.32; all external lateral views. D–F, drawings of L. dimorpha in transmitted light, redrawn from Hartmann (1959, figs 10–12): D, outline of female RV, internal lateral view (reversed for ease of comparison); E, female LV, external lateral view; F, male RV, external lateral view (reversed for ease of comparison). G–I, SEM images of Loxoconcha linleyi Horne, 1982: G, female RV, paratype, 1982.38; H, female LV, paratype, 1982.38; I, male LV, holotype, 1982.37; all external lateral views. All from Tenerife (Canary Islands). Catalogue numbers are for The Natural History Museum (London, UK).
FIGURE 1 in Accidental monstrosities: Taxonomic chimeras in Ostracoda (Crustacea)
FIGURE 1. Typhlocypris eremita (Vejdovský) (from Vejdovský 1882, Plate 7). A, left lateral view of juvenile specimen; B, antennae of the same specimen, with presumed swimming setae arrowed. Not to scale.
FIGURE 21 in Accidental monstrosities: Taxonomic chimeras in Ostracoda (Crustacea)
FIGURE 21. Fabaeformiscandona balatonica (Daday) and F. levanderi (Hirschmann), comparison of lateral outline shapes of male valves, standardised for equal surface area. A, LV of F. levanderi (black line-1; Fig. 20D) superimposed on LV of F. balatonica (grey line-0; Fig. 9A); B, LV of F. levanderi (black line-1; Fig. 20D) superimposed on RV of F. levanderi (grey line-0; Fig. 20E); black arrow indicates antero-ventral asymmetry. Redrawn from Morphomatica output.
FIGURE 10 in Accidental monstrosities: Taxonomic chimeras in Ostracoda (Crustacea)
FIGURE 10. Fabaeformiscandona balatonica (Daday), adult female from Poland. A, LV external; B, RV external; original photos T. Sywula.
FIGURE 25 in Accidental monstrosities: Taxonomic chimeras in Ostracoda (Crustacea)
FIGURE 25. Principal Coordinates Analysis (PCO) plot comparing female LV outline shapes computed in Morphomatica with the Area Deviation algorithm (Area total option): F. balatonica (blue triangles), F. levanderi (inverted red triangles) and three morphotypes of F. levanderi misidentified in literature as F. balatonica (A9, green square, Dykan 2006; A12, rose diamond, Popova-Lvova 1977; A13 light blue circle, Konovalova 2016); black shapes are representative outlines of morphotypes.
FIGURE 16 in Accidental monstrosities: Taxonomic chimeras in Ostracoda (Crustacea)
FIGURE 16. Fabaeformiscandona levanderi (Hirschmann), comparison of LV shapes in lateral view, all from Lake Serwy, Poland, transmitted light images by T. Namiotko. A–F, female (LB3b–LB3g); G, mean outline of digitised outlines of A–F; H–I, male.
FIGURE 24 in Accidental monstrosities: Taxonomic chimeras in Ostracoda (Crustacea)
FIGURE 24. Comparison of female valves of F. balatonica sensu Konovalova (2016) with F. balatonica types from Lake Balaton as illustrated by Meisch (2000) (Table 1, A1b) and by Petkovski & Karanovic (2000) (Table 1, A1c). A, LV internal lateral view from Konovalova (2016, pl. 1, fig. 8; with permission) (Table 1, A13); B, outline of A (black line-1) superimposed on outline of type (A1b; grey line-0); C, RV external lateral view from Konovalova (2016, pl. 1, fig. 7; with permission) (Table 1, A13); D, outline of C (black line-1) superimposed on outline of type (A1c; grey line-0); outlines in B and D redrawn from Morphomatica output, standardised for equal surface area; arrows indicate divergent posterior margin outline shapes of the two morphotypes.
FIGURE 29 in Accidental monstrosities: Taxonomic chimeras in Ostracoda (Crustacea)
FIGURE 29. Bland-Altman plot comparing Up inclination measurements obtained with methods 1 and 2 (Table 8). Bias = Average of difference values (3.56); SD = Standard deviation of difference values (± 3.31); Precision = Upper and Lower Limits of Agreement (LOA) 95% confidence limits (95% Confidence Interval is 3.56 ± 1.529, i.e., 2.031 to 5.089).
FIGURE 28 in Accidental monstrosities: Taxonomic chimeras in Ostracoda (Crustacea)
FIGURE 28. Comparison of LVs of Candoniella formosa Livental and juvenile Neglecandona neglecta (Sars). A, B, external and internal lateral views of C. formosa (redrawn from Agalarova et al. 1961, pl. 39, figs 5a and 5b; Azerbaijan, Pliocene, Akchagyl stage); C, A-2 juvenile of N. neglecta (from Mondsee, Austria); D, superimposition of LV outlines, standardised for equal surface area (redrawn from Morphomatica output), of A (grey line-0) and C (black line-1); not to scale, arrows indicate anterior direction.
FIGURE 27 in Accidental monstrosities: Taxonomic chimeras in Ostracoda (Crustacea)
FIGURE 27. Comparison of valves of Pseudocandona albicans (Brady) (originally named Candona parallela G.W. Müller). A, B, LV external and internal lateral views of Candoniella albicans (redrawn from Schneider 1956; pl. 13, figs 5 and 6); C, (A-1?) juvenile LV external lateral view of Candona albicans (redrawn from Brady et al. 1874, pl. 1, fig. 10); D, superimposition of LV outlines, standardised for equal surface area (redrawn from Morphomatica output), of A (grey line-0), C (black line-1) and Pseudocandona albicans (Brady) A-3 juvenile from Kovalenko (1983, fig. 1) (black line-2); not to scale, arrows indicate anterior direction.
FIGURE 15 in Accidental monstrosities: Taxonomic chimeras in Ostracoda (Crustacea)
FIGURE 15. Fabaeformiscandona levanderi (Hirschmann), SEM images (by Martin Gross, UMJGP) of female RVs from Lake Serwy, Poland. A–C (220206-01): A, external lateral view; B, internal lateral view, posterior denticulated lobe arrowed; C, detail of B showing denticulated lobe; D–F (220206-02): D, external lateral view; E, internal lateral view, posterior denticulated lobe arrowed; F, detail of E showing denticulated lobe.
FIGURE 19 in Accidental monstrosities: Taxonomic chimeras in Ostracoda (Crustacea)
FIGURE 19. Fabaeformiscandona balatonica (Daday) and F. levanderi (Hirschmann), comparison of lateral outline shapes of female valves, standardised for equal surface area. A, outline of F. levanderi LV B1 (black line-1; Fig 11A) superimposed on outline of F. balatonica LV A1b (grey line-0; Fig. 9B); B, mean outline (of 12 LV B-outlines) of F. levanderi (black line-1) superimposed on mean outline (of 3 LV A-outlines) of F. balatonica (grey line-0); C, mean outline (of four RV A-outlines) of F. balatonica (black line-1) superimposed on mean outline (of three LV A-outlines) of F. balatonica-outlines, grey line-0; D, mean outline (mean of 11 LV B-outlines) of F. levanderi (black line-1) superimposed on mean outline (of four RV A-outlines) of F. balatonica, grey line-0. All redrawn from Morphomatica output.
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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