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49 results for “Onchoproteocephalidea”
FIGURES 1–3 in Three new species of Acanthobothrium Blanchard, 1848 (Cestoda: Onchoproteocephalidea) in Stingrays (Dasyatidae) from the Pacific coast in Mexico
FIGURES 1–3. Light microscope photographs of entire worms of the three new species (Holotypes). 1. Acanthobothrium ppdeleoni n. sp. (CNHE–11253); 2. Acanthobothrium hypanus n. sp. (CNHE–11255); 3. Acanthobothrium sinaloaensis n. sp. (CNHE–11257). Scale bars: 1, 2 and 3 = 500 μm.
FIGURE 3 in Insights on the identities of sharks of the Rhizoprionodon acutus (Elasmobranchii: Carcharhiniformes) species complex based on three new species of Phoreiobothrium (Cestoda: Onchoproteocephalidea)
FIGURE 3. Line drawings of Phoreiobothrium nadiae n. sp. A. Scolex (LRP No. 8751). B. Hooks (USNM No. 1283351). C. Whole worm (MNHN No. HEL547). D. Terminal, mature proglottid (MNHN No. HEL547). E. Terminal genitalia (MNHN No. HEL547).
FIGURE 2 in Insights on the identities of sharks of the Rhizoprionodon acutus (Elasmobranchii: Carcharhiniformes) species complex based on three new species of Phoreiobothrium (Cestoda: Onchoproteocephalidea)
FIGURE 2. Scanning electron micrographs of Phoreiobothrium jahki n. sp. A. Scolex, small letters indicate locations of Figures 2D–F. B. Subloculi. C. Pre-hook region and hooks. D. Microtriches on cephalic peduncle. E. Microtriches on proximal bothridal surface. F. Microtriches on distal bothridal surface.
FIGURE 6 in Insights on the identities of sharks of the Rhizoprionodon acutus (Elasmobranchii: Carcharhiniformes) species complex based on three new species of Phoreiobothrium (Cestoda: Onchoproteocephalidea)
FIGURE 6. Scanning electron micrographs of Phoreiobothrium swaki n. sp. A. Scolex, small letters indicate locations of Figures 6D–F. B. Subloculi. C. Pre-hook region and hooks. D. Microtriches on cephalic peduncle. E. Microtriches on proximal bothridal surface. F. Microtriches on distal bothridal surface.
FIGURE 5 in Insights on the identities of sharks of the Rhizoprionodon acutus (Elasmobranchii: Carcharhiniformes) species complex based on three new species of Phoreiobothrium (Cestoda: Onchoproteocephalidea)
FIGURE 5. Line drawings of Phoreiobothrium swaki n. sp. A. Scolex (QM No. G235021). B. Hooks (USNM No. 1283357). C. Whole worm (QM No. G235021). D. Terminal, immature proglottid (QM No. G235021).
FIGURE 8 in Insights on the identities of sharks of the Rhizoprionodon acutus (Elasmobranchii: Carcharhiniformes) species complex based on three new species of Phoreiobothrium (Cestoda: Onchoproteocephalidea)
FIGURE 8. Representatives of each of the four clades in the Rhizoprionodon acutus species complex. A–B. Rhizoprionodon cf. acutus 1. A. Lateral view of body (SE-315; 66.4 cm total length [TL]). B. Ventral view of head (SE-263). C–D. Rhizoprionodon cf. acutus 2. C. Lateral view of body (CM03-84; 69 cm TL). D. Ventral view of head (CM03-84). E–F. Rhizoprionodon cf. acutus 3. Note that BO-56 is a conspecific of BO-65 collected from the same locality in the same year, albeit a day earlier. E. Lateral view of body (BO-56; 57 cm TL). F. Ventral view of head (BO-56). G–H. Rhizoprionodon acutus. G. Lateral view of body (MM-41; 83 cm TL). H. Ventral view of head (MM-41).
FIGURE 1 in Insights on the identities of sharks of the Rhizoprionodon acutus (Elasmobranchii: Carcharhiniformes) species complex based on three new species of Phoreiobothrium (Cestoda: Onchoproteocephalidea)
FIGURE 1. Line drawings of Phoreiobothrium jahki n. sp. A. Scolex (LRP No. 8743). B. Hooks (USNM No. 1283353). C. Whole worm (MZUM [P] No. 2015.1[H]). D. Terminal, immature proglottid (MZUM [P] No. 2015.1[H]).
FIGURE 4 in Insights on the identities of sharks of the Rhizoprionodon acutus (Elasmobranchii: Carcharhiniformes) species complex based on three new species of Phoreiobothrium (Cestoda: Onchoproteocephalidea)
FIGURE 4. Scanning electron micrographs of Phoreiobothrium nadiae n. sp. A. Scolex, small letters indicate locations of Figures 4D–F. B. Subloculi. C. Pre-hook region and hooks. D. Microtriches on cephalic peduncle. E. Microtriches on proximal bothridal surface. F. Microtriches on distal bothridal surface.
FIGURE 7 in Insights on the identities of sharks of the Rhizoprionodon acutus (Elasmobranchii: Carcharhiniformes) species complex based on three new species of Phoreiobothrium (Cestoda: Onchoproteocephalidea)
FIGURE 7. Maximum likelihood tree of 1,044 bp of NADH2 sequence data for 77 specimens representing all species of Rhizoprionodon. Nodal support is given as bootstrap values. Rhizoprionodon oligolinx Springer, 1964 was used as outgroup. Scale bar indicates number of substitutions per site. Figure numbers reference specimens shown in Figure 8, with the exception of the one indicted by an asterix. Question mark signals unconfirmed reports from R. acutus in India; scoleces of these are after Shinde et al. (1984), Shinde et al. (1987), Jadhav & Jadhav (1990), Motinge & Pardeshi (1993) and Jadhav (1993).
FIGURES 19–21 in Two new and one redescribed species of Acanthobothrium (Cestoda: Onchoproteocephalidea: Onchobothriidae) from Dasyatis akajei (Myliobatiformes: Dasyatidae) in the China Sea
FIGURES 19–21. Scanning electron micrographs of Acanthobothrium guanghaiense n. sp. 19. Scolex. 20. Distal bothridial surface. 21. Enlarged view of bothridial surface at lateral margin of bothridium. Scale–bars: 19, 50 µm; 20–21, 1 µm.
FIGURES 8–14 in Two new and one redescribed species of Acanthobothrium (Cestoda: Onchoproteocephalidea: Onchobothriidae) from Dasyatis akajei (Myliobatiformes: Dasyatidae) in the China Sea
FIGURES 8–14. Scanning electron micrographs of Acanthobothrium ningdense n. sp. 8. Scolex. 9. Apical view of scolex. 10. Enlarged view of apical pad and apical sucker. 11. Distal bothridial surface. 12. Enlarged view of proximal bothridial surface. 13. Enlarged view of bothridial surface at lateral margin of bothridium. 14. Surface of cephalic peduncle. Scale–bars: 8–9, 100 µm; 10, 20 µm; 11–14, 1 µm.
FIGURES 28–34 in Two new and one redescribed species of Acanthobothrium (Cestoda: Onchoproteocephalidea: Onchobothriidae) from Dasyatis akajei (Myliobatiformes: Dasyatidae) in the China Sea
FIGURES 28–34. Scanning electron micrographs of Acanthobothrium macrocephalum Wang & Yang, 2001. 28. Scolex. 29. Enlarged apical view of muscular pad and hooks in Fig. 28. 30. Apical view of muscular pad. 31. Enlarged view of hooks after removing the apical sucker. 32. Distal bothridial surface. 33. Enlarged view of bothridial surface at lateral margin of bothridium. 34. Enlarged view of proximal bothridial surface. Scale–bars: 28, 1 mm; 29, 100 µm; 30–31, 50 µm; 32, 1 µm; 33– 34, 2 µm.
FIGURES 22–27 in Two new and one redescribed species of Acanthobothrium (Cestoda: Onchoproteocephalidea: Onchobothriidae) from Dasyatis akajei (Myliobatiformes: Dasyatidae) in the China Sea
FIGURES 22–27. Acanthobothrium macrocephalum Wang & Yang, 2001. 22. Scolex. 23. Muscular pad with its sucker and two prominent lobes. 24. Hooks. 25. Terminal genitalia. 26. Mature proglottid. 27. Gravid proglottid. Scale–bars: 22, 600 µm; 23–25, 50 µm; 26–27, 200 µm.
FIGURES 16–18. Acanthobothrium guanghaiense n in Two new and one redescribed species of Acanthobothrium (Cestoda: Onchoproteocephalidea: Onchobothriidae) from Dasyatis akajei (Myliobatiformes: Dasyatidae) in the China Sea
FIGURES 16–18. Acanthobothrium guanghaiense n. sp. 16. Scolex. 17. Hooks. 18. Mature proglottid. Scale–bars: 16–18, 50 µm.
FIGURES 15a–15b. 15a in Two new and one redescribed species of Acanthobothrium (Cestoda: Onchoproteocephalidea: Onchobothriidae) from Dasyatis akajei (Myliobatiformes: Dasyatidae) in the China Sea
FIGURES 15a–15b. 15a. Hooks of Acanthobothrium micracantha Yamaguti, 1952 (Paratype, MPM: 22636). 15b. Hooks of Acanthobothrium latum Yamaguti, 1952 (Holotype, MPM: 22637), the dotted line of the tip of axial hook of medial hook are broken in its holotype and we interpreted it according to the form of lateral hook. Abbreviation: B, connecting bar. Scale–bars: 15a, 25 µm; 15b, 50 µm.
FIGURES 1–7. Acanthobothrium ningdense n in Two new and one redescribed species of Acanthobothrium (Cestoda: Onchoproteocephalidea: Onchobothriidae) from Dasyatis akajei (Myliobatiformes: Dasyatidae) in the China Sea
FIGURES 1–7. Acanthobothrium ningdense n. sp. 1. Scolex. 2. Hooks. 3. Immature proglottid. 4. One of the anteriormost mature proglottids. 5. Terminal genitalia. 6. One of the posteriormost mature proglottids. 7. Gravid proglottid. Abbreviation: S, irregular shaped sclerite. Scale–bars: 1, 3, 4, 5, 7, 100 µm; 2, 6, 50 µm.
Fig. 6 in Proteocephalid tapeworms (Cestoda: Onchoproteocephalidea) of loaches (Cobitoidea): Evidence for monophyly and high endemism of parasites in the Far East
Fig. 6. Scanning electron micrograph of Proteocephalus demshini n. sp. from Barbatula toni, Russia (A, C, D, F) and Proteocephalus misgurni n. sp. from Misgurnus anguillicaudatus, Russia (B, E, G, H). A, B — dorsoventral view, C — apical view, D — lateral view, E — subapical view, F — acicular filitriches and gladiate spinitriches on internal rim of suckers, G — acicular filitriches between suckers, H — gladiate spinitriches on neck region. Small letters in A and B indicate position of microtriches on F – H).
Fig. 5. Proteocephalus misgurni n in Proteocephalid tapeworms (Cestoda: Onchoproteocephalidea) of loaches (Cobitoidea): Evidence for monophyly and high endemism of parasites in the Far East
Fig. 5. Proteocephalus misgurni n. sp. from Misgurnus anguillicaudatus. A. Holotype, total view, ventrally (host field No. RUS 77; MHNG-PLAT 79136). B. Eggs drawn in distilled water (host field No. RUS 93; MHNG-PLAT 79140). C. Paratype 1, scolex (host field No. RUS 100; MHNG-PLAT 79142); note the proliferation zone widened anteriorly. D. Paratype 2, detail of terminal genitalia, dorsal view (host field No. RUS 75; MHNG-PLAT 79135); uterus not illustrated. E. Holotype, mature proglottid, ventral view (host field No. RUS 77; MHNG-PLAT 79136); uterus not illustrated.
Fig. 4. Proteocephalus demshini n in Proteocephalid tapeworms (Cestoda: Onchoproteocephalidea) of loaches (Cobitoidea): Evidence for monophyly and high endemism of parasites in the Far East
Fig. 4. Proteocephalus demshini n. sp. from Barbatula toni, Russia. A. Scolex (host field No. RUS 195; IPCAS C- 727). B. Mature proglottid, ventral view (host field No. RUS 191; IPCAS C- 727); uterus not illustrated. C. Detail of terminal genitalia, ventral view (host field No. RUS 192; MHNG-PLAT 79149). D. Eggs drawn in distilled water (host field No. RUS 190; IPCAS C- 727).
Fig. 2 in Proteocephalid tapeworms (Cestoda: Onchoproteocephalidea) of loaches (Cobitoidea): Evidence for monophyly and high endemism of parasites in the Far East
Fig. 2. Proteocephalus sagittus (Grimm, 1872) from Barbatula barbatula, Czech Republic (IPCAS C- 33 / 1). A. Scolex. B. Mature proglottid. Abbreviations (for all figures): cc = chromophilic cells; ci = cirrus; cp = pars copulatrix vaginae; cs = cirrus-sac; doc = dorsal osmoregulatory canal; du = uterine diverticles; eh = embryonic hooks; em = bilayered embryophore; ga = genital atrium; gc = glandular cells, probably of exocrine type; lm = internal longitudinal musculature; ln = longitudinal lateral nerves; Mg = Mehlis' gland; oe = outer envelope; on = oncosphere; oo = oocapt; ov = ovary; sc = subtegumental cells; sd = sperm duct (vas deferens); st = subtegumental muscle fibres; te = testes; tg = tegument; ud = uterine ducts; us = uterine stem; ut = uterus; vc = vaginal canal; vd = vitelloduct; vf = vitelline follicles; voc = ventral osmoregulatory canal; vs = vaginal sphincter.
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