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29 results for “Echinorhynchidae”
Fig. 2 in Pseudorhadinorhynchus samegaiensis (Acanthocephala: Echinorhynchida: Illiosentidae) Uses the Amphipod Jesogammarus (Annanogammarus) fluvialis as an Intermediate Host in a Stream of the Lake Biwa Basin, Central Japan
Fig. 2. Developmental stages of Pseudorhadinorhynchus samegaiensis. A, Male acanthella; B, early male cystacanth with part of proboscis and copulatory bursa everted, same individual as "c" in Fig. 1B; C, early female cystacanth; D, fully developed male cystacanth with everted proboscis; E, fully developed female cystacanth with everted proboscis; F, everted proboscis of fully developed female cystacanth (E). Scale bars: A, 300 µm; B–E, 500 µm; F, 200 µm.
Fig. 1. Acanthocephalus minor Yamaguti, 1935 in Rediscovery of a Fish Acanthocephalan, Acanthocephalus minor (Echinorhynchida: Echinorhynchidae), in the Lake Biwa Basin, Central Japan, with a Review of the Fish Acanthocephalan Fauna of the Basin
Fig. 1. Acanthocephalus minor Yamaguti, 1935, NSMT–As 4293, from rectum of Odontobutis obscura (Temminck and Schlegel, 1845). A, Entire body of male; B, proboscis of female. Scale bars: A, 1 mm; B, 100 µm.
Fig. 1. Acanthocephalus lucidus Van Cleave, 1925 in An Amphibian Acanthocephalan, Acanthocephalus lucidus (Echinorhynchida: Echinorhynchidae), Infecting a Fish, Salvelinus leucomaenis leucomaenis (Salmoniformes: Salmonidae)
Fig. 1. Acanthocephalus lucidus Van Cleave, 1925, male (NSMT–As 4040), from the intestine of Salvelinus leucomaenis leucomanis (Pallas, 1814). A, entire body; B, proboscis. Scale bars: A, 0.5 mm; B, 0.2 mm.
Fig. 1 in Morphological and Molecular Characteristics of Two Species of the Genus Rhadinorhynchus (Palaeacanthocephala: Echinorhynchida) from the Western Pacific
Fig. 1. Line drawings of Rhadinorhynchus seriolae (Yamaguti, 1963). A, Whole body of a male (one of three specimens of ICHUM 8571); B, proboscis of a male (one of three specimens of ICHUM 8571); C, line drawings showing trunk spines in three specimens in ICHUM 8571, arrowhead indicates the border of two regions of trunk spines. Abbreviations: At, anterior testis; Cg, cement glands; Lm, lemniscus; Pb, proboscis; Pr, proboscis receptacle; Pt, posterior testis; Sp, Saefftigen's pouch.
Fig. 2 in Morphological and Molecular Characteristics of Two Species of the Genus Rhadinorhynchus (Palaeacanthocephala: Echinorhynchida) from the Western Pacific
Fig. 2. Line drawings of Rhadinorhynchus laterospinosus Amin, Heckmann, and Ha, 2011. A, Whole body of a male (ICHUM 8572); B, proboscis of a male (ICHUM 8572); C, distribution of trunk spines (ICHUM 8575); D, female genital organ (ICHUM 8575). Abbreviations: At, anterior testis; Cb, copulatory bursa; Cg, cement gland; Pb, proboscis; Pr, proboscis receptacle; Pt, posterior testis; Ub, uterine bell; Ut, uterus; Vg, vagina.
Fig. 3. A in Morphological and Molecular Characteristics of Two Species of the Genus Rhadinorhynchus (Palaeacanthocephala: Echinorhynchida) from the Western Pacific
Fig. 3. A molecular phylogenetic tree reconstructed with maximum-likelihood method (ML). Nodal support values indicate bootstrap value (BS) by ML/Bayesian posterior probability (BPP) by Bayesian inference (BI). Where the trees drawn by ML and BI differ, BPP values are indicated by a hyphen "-".
Figure 24 in A description of Echinorhynchus baeri Kostylew, 1928 (Acanthocephala: Echinorhynchidae) from Salmo trutta in Turkey, with notes on synonymy, geographical origins, geological history, molecular profile, and X-ray microanalysis
Figure 24. The printout for the elemental scan (EDXA) for the miniature apical hook at the apex of the E. baeri proboscis. Note the drop in calcium and phosphorus peaks compared to that of normal hooks (Fig. 23).
Figure 1 in A description of Echinorhynchus baeri Kostylew, 1928 (Acanthocephala: Echinorhynchidae) from Salmo trutta in Turkey, with notes on synonymy, geographical origins, geological history, molecular profile, and X-ray microanalysis
Figure 1. Collection site of Echinorhynchus baeri from Salmo trutta in the Kilise Stream, Murat River, Turkey.
Figure 23 in A description of Echinorhynchus baeri Kostylew, 1928 (Acanthocephala: Echinorhynchidae) from Salmo trutta in Turkey, with notes on synonymy, geographical origins, geological history, molecular profile, and X-ray microanalysis
Figure 23. The printout of the elemental scan (EDXA) for the common large hooks for E. baeri. Note height of calcium and phosphorus peaks.
Figures 11–16 in A description of Echinorhynchus baeri Kostylew, 1928 (Acanthocephala: Echinorhynchidae) from Salmo trutta in Turkey, with notes on synonymy, geographical origins, geological history, molecular profile, and X-ray microanalysis
Figures 11–16. SEM of mature specimens of Echinorhynchus baeri from S. trutta in Turkey. 11. Proboscis of a female specimen. Note variation in hook size; smaller hooks at base 12. Anterior hooks. Note indentation at the base of the hooks (arrow). 13. Double miniature hooks at apical end of proboscis (arrow); occasionally one miniature apical hook present. 14. Higher magnification of an apical hook; note perforations. This hook has a low Ca reading (see EDAX data). 15. A gallium cut normal hook from the mid-proboscis. Note prominent calcified root. 16. A gallium cut miniature apical hook. Note the hollow base and absence of roots.
Figures 3–10 in A description of Echinorhynchus baeri Kostylew, 1928 (Acanthocephala: Echinorhynchidae) from Salmo trutta in Turkey, with notes on synonymy, geographical origins, geological history, molecular profile, and X-ray microanalysis
Figures 3–10. Specimens of Echinorhynchus baeri collected from Salmo trutta in Turkey and proboscis hook rows of specimens of E. sevani and E. baeri, respectively, collected from Salmo ischchan in Lake Sevan, Armenia. 3. A male specimen. Note the unique amoeboid, lobulated giant nuclei in the long lemnisci (arrow), the prominent retractor muscles, and the near contiguous ovoid-elongate testes. Proboscis is usually bent ventrad. 4. A gravid female with typically long lemnisci. The reproductive system is obscured by eggs. 5. The female reproductive system. Note the very long and slender uterus and the longitudinal bulge near its distal end (upper arrow). Also note the laterally extending uterine glands at the base of the uterine bell (lower arrow). 6. The proboscis of the male specimens in Fig. 3. Note the uninucleated round cells (arrow). 7. A ripe egg with prominent polar prolongation of the fertilization membrane. 8. A ventral row of proboscis hooks from a male specimen. Note the lack of root manubria anteriorly and the gradual development of manubria with decreasing size of roots posteriorly. 9. Lateral view of hooks of E. sevani after Dinnik (1932) showing variable manubriation in all hook roots ''A = first two hooks. B & C = middle hooks, D & E = last two hooks of the vertical row.'' Measurement bars were not provided. 10. Lateral view of hooks of E. baeri after Kostylew (1928) showing the absence of manubria in all hook roots and the virtual absence of roots of the basal hook; measurement bars were not provided.
Figures 17–22 in A description of Echinorhynchus baeri Kostylew, 1928 (Acanthocephala: Echinorhynchidae) from Salmo trutta in Turkey, with notes on synonymy, geographical origins, geological history, molecular profile, and X-ray microanalysis
Figures 17–22. SEM of mature specimens of Echinorhynchus baeri from S. trutta in Turkey. 17. Sensory pore (arrow) at the base of the proboscis. No micropores here. 18. Epidermal micropores at midtrunk. 19. The posterior end of a female specimen showing terminal gonopore. 20. Egg mass from a dissected female specimen. 21. Bursa of a male specimen. 22. The opening of the bursa showing one ring of sensory knobs (arrow).
Figure 2 in A description of Echinorhynchus baeri Kostylew, 1928 (Acanthocephala: Echinorhynchidae) from Salmo trutta in Turkey, with notes on synonymy, geographical origins, geological history, molecular profile, and X-ray microanalysis
Figure 2. The drainage system of the historic Inner Anatolian freshwater Lake of the Middle Miocene-Pliocene period based on Demirsoy (2008). The drainage is shown to include the Aras, Murat, and Euphrates rivers. Striped lines mark the present borders and coasts of Turkey.
Data from: Echinorhynchus salmonis Müller, 1784 (Acanthocephala: Echinorhynchidae) from the Bothnian Bay, Baltic Sea: morphological variability and radial asymmetry of proboscis hooks
Echinorhynchus salmonis is a common parasite of salmoniform and other fishes, occurring in fresh and brackish waters throughout the Holarctic. Presented here is the first analysis of the morphometric and meristic variation in a Palaearctic population of E. salmonis, collected from whitefish Coregonus lavaretus L. and smelt Osmerus eperlaus (L.) from the Bothnian Bay, northern Baltic Sea. Morphological data were compared with published descriptions of congeneric taxa. Nearctic populations of salmonid echinorhynchids considered by some to represent a distinct species, E. coregoni Linkins in Van Cleave, 1919, did not show any morphological divergence from Palaearctic populations, indicating that the name E. coregoni should be suppressed. Similarly, E. alpinus Linstow, 1901 has been considered to be a junior synonym of E. salmonis. However, E. alpinus should be regarded as a valid species, because it has a longer and more elongate body. The armature of the acanthocephalan proboscis typically displays radial symmetry. However, in E. salmonis the hooks on the dorsal surface of the proboscis are smaller than those on the ventral surface. Size differences between dorsal and ventral hooks are most pronounced at the base of the proboscis. The systematic and functional significance of radial asymmetry of proboscis hooks is discussed.
Supplementary material 2 from: Wayland MT, Vainio JK, Gibson DI, Herniou EA, Littlewood TDJ, Väinölä R (2015) The systematics of Echinorhynchus Zoega in Müller, 1776 (Acanthocephala, Echinorhynchidae) elucidated by nuclear and mitochondrial sequence data from eight European taxa. ZooKeys 484: 25-52. https://doi.org/10.3897/zookeys.484.9132
Maximum likelihood model parameters: Explanation note: Model parameters used in the maximum likelihood approach to phylogenetic reconstruction.
Supplementary material 4 from: Wayland MT, Vainio JK, Gibson DI, Herniou EA, Littlewood TDJ, Väinölä R (2015) The systematics of Echinorhynchus Zoega in Müller, 1776 (Acanthocephala, Echinorhynchidae) elucidated by nuclear and mitochondrial sequence data from eight European taxa. ZooKeys 484: 25-52. https://doi.org/10.3897/zookeys.484.9132
Patterns of COI sequence variation: Explanation note: Patterns of COI sequence variation. Graphs and discussion of patterns of nucleotide substitions in the COI data-set.
Supplementary material 1 from: Wayland MT, Vainio JK, Gibson DI, Herniou EA, Littlewood TDJ, Väinölä R (2015) The systematics of Echinorhynchus Zoega in Müller, 1776 (Acanthocephala, Echinorhynchidae) elucidated by nuclear and mitochondrial sequence data from eight European taxa. ZooKeys 484: 25-52. https://doi.org/10.3897/zookeys.484.9132
Aligned and concatenated partial sequences of COI and 28S rDNA: Explanation note: Aligned and concatenated partial sequences of COI and 28S rDNA in nexus format. Aligned partial sequences of COI and 28S rDNA from each acanthocephalan population have been concatenated. Gaps are indicated by '-'. The first 585 characters in each block correspond to COI and the remainder to 28S rDNA. The file contains data for all nine Echinorhynchus samples and the outgroup taxon, Acanthocephalus lucii. This nexus file was used in all phylogenetic analyses.
Supplementary material 3 from: Wayland MT, Vainio JK, Gibson DI, Herniou EA, Littlewood TDJ, Väinölä R (2015) The systematics of Echinorhynchus Zoega in Müller, 1776 (Acanthocephala, Echinorhynchidae) elucidated by nuclear and mitochondrial sequence data from eight European taxa. ZooKeys 484: 25-52. https://doi.org/10.3897/zookeys.484.9132
Nucleotide substitutions: Explanation note: Substitutions of nucleotides (transitions/transversions) for 28S rDNA (below the diagonal) and COI sequence data (above the diagonal).
Data from: Echinorhynchus brayi n. sp. (Acanthocephala: Echinorhynchidae) from Pachycara crassiceps (Roule) (Zoarcidae), a deep-sea fish
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Data from: Echinorhynchus salmonis Müller, 1784 (Acanthocephala: Echinorhynchidae) from the Bothnian Bay, Baltic Sea: morphological variability and radial asymmetry of proboscis hooks
Open the record for dataset details and reuse information.
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