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150 results for “Dasyatidae”
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.
FIGURE 1 in New record of the smalleye stingray, Dasyatis microps (Myliobatiformes: Dasyatidae), from the western Indian Ocean
FIGURE 1. Smalleye stingray, Dasyatis microps from southern Mozambique: A) dorsal view showing pectoral fin morphology; B) ventral view; C) dorsal view showing tail morphology and colouration; and D) specimen speared off Tofo Beach, Mozambique. Photographs by A.D. Marshall.
FIGURE 12 in Taxonomic status of maskrays of the Neotrygon kuhlii species complex (Myliobatoidei: Dasyatidae) with the description of three new species from the Indo-West Pacific
FIGURE 12. Holotype of Neotrygon orientale sp. nov. (MZB unreg [ex CSIRO H 7858-01]), late-adolescent male 213 mm DW) from South Kalimantan, Indonesia (fresh): (A) dorsal view; (B) ventral view.
FIGURE 11 in Taxonomic status of maskrays of the Neotrygon kuhlii species complex (Myliobatoidei: Dasyatidae) with the description of three new species from the Indo-West Pacific
FIGURE 11. Dorsal view (fresh) of an adult female Neotrygon caeruleopunctata sp. nov. (CSIRO H 7850-01, 350 mm DW) from Central Java, Indonesia.
FIGURE 7 in Taxonomic status of maskrays of the Neotrygon kuhlii species complex (Myliobatoidei: Dasyatidae) with the description of three new species from the Indo-West Pacific
FIGURE 7. Lateral view of the mid-tail showing respective heights of the dorsal and ventral tail folds: (A) Neotrygon kuhlii (CSIRO 7723-01, female 295 mm DW); (B) Neotrygon australiae sp. nov. (CSIRO CA 4307, female 306 mm DW); (C) Neotrygon caeruleopunctata sp. nov. (CSIRO H 6202-04, female 324 mm DW); (D) Neotrygon orientale sp. nov. (CSIRO H 7848-01, female 343 mm DW).
FIGURE 9 in Taxonomic status of maskrays of the Neotrygon kuhlii species complex (Myliobatoidei: Dasyatidae) with the description of three new species from the Indo-West Pacific
FIGURE 9. Holotype of Neotrygon australiae sp. nov. (CSIRO 7016-01, juvenile male 235 mm DW) from Queensland, Australia (fresh): (A) dorsal view; (B) ventral view.
FIGURE 6 in Taxonomic status of maskrays of the Neotrygon kuhlii species complex (Myliobatoidei: Dasyatidae) with the description of three new species from the Indo-West Pacific
FIGURE 6. Lateral view of the post-caudal sting tail of: (A) Neotrygon kuhlii (CSIRO 7723-01, female 295 mm DW); (B) Neotrygon australiae sp. nov. (CSIRO CA 4307, female 306 mm DW); (C) Neotrygon caeruleopunctata sp. nov. (CSIRO H 6202-04, female 324 mm DW); (D) Neotrygon orientale sp. nov. (CSIRO H 7848-01, female 343 mm DW).
FIGURE 10 in Taxonomic status of maskrays of the Neotrygon kuhlii species complex (Myliobatoidei: Dasyatidae) with the description of three new species from the Indo-West Pacific
FIGURE 10. Holotype of Neotrygon caeruleopunctata sp. nov. (MZB unreg [ex CSIRO H 7852-03]), adolescent male, 225 mm DW) from Bali, Indonesia (preserved): (A) dorsal view; (B) ventral view.
FIGURE 4 in Taxonomic status of maskrays of the Neotrygon kuhlii species complex (Myliobatoidei: Dasyatidae) with the description of three new species from the Indo-West Pacific
FIGURE 4. Freshly caught specimen of Neotrygon kuhlii (CSIRO 7723-01, female 295 mm DW) from Honiara, Solomon Islands: (A) dorsal view; (B) ventral view.
FIGURE 3 in Taxonomic status of maskrays of the Neotrygon kuhlii species complex (Myliobatoidei: Dasyatidae) with the description of three new species from the Indo-West Pacific
FIGURE 3. Dorsal view of: (A) embryonic syntype of Neotrygon kuhlii from West Papua, New Guinea (MNHN A7931, embryo 99.7 mm DW; probably equals Neotrygon australiae); (B) dried probable syntype of Neotrygon kuhlii from Java, Indonesia (RMNH 2472, adult male ~271 mm DW; probably equals Neotrygon caeruleopunctata).
FIGURE 8 in Taxonomic status of maskrays of the Neotrygon kuhlii species complex (Myliobatoidei: Dasyatidae) with the description of three new species from the Indo-West Pacific
FIGURE 8. Map showing the locations of the type material and other specimens examined of Neotrygon kuhlii (blue), Neotrygon australiae sp. nov. (red), Neotrygon caeruleopunctata sp. nov. (green) and Neotrygon orientale sp. nov. (yellow). Stars denote primary types (holotype or lectotype), solid circles denote secondary types, and open circles denote non-type material examined.
FIGURE 5 in Taxonomic status of maskrays of the Neotrygon kuhlii species complex (Myliobatoidei: Dasyatidae) with the description of three new species from the Indo-West Pacific
FIGURE 5. Oronasal region of: (A) Neotrygon kuhlii (CSIRO 7723-01, female 295 mm DW); (B) Neotrygon australiae sp. nov. (CSIRO CA 3247, adult male 379 mm DW); (C) Neotrygon caeruleopunctata sp. nov. (CSIRO H 6202-03, adult male 311 mm DW); (D) Neotrygon orientale sp. nov. (CSIRO H 6130-01, female 254 mm DW).
FIGURE 2 in Taxonomic status of maskrays of the Neotrygon kuhlii species complex (Myliobatoidei: Dasyatidae) with the description of three new species from the Indo-West Pacific
FIGURE 2. Dorsal view of Neotrygon kuhlii types from Vanikoro, Solomon Islands (preserved): (A) lectotype (MNHN A 2440, 1 of 2, female 154 mm DW); (B) paralectotype (MNHN A 2440, 1 of 2, female 162.7 mm DW).
FIGURES 7–8. Peruanocotyle chisholmae n. gen., n in A new genus and species of the Dasybatotreminae Bychowsky, 1957 (Monogenea: Monocotylidae), parasitic on Hypanus dipterurus (Jordan & Gilbert) (Myliobatiformes: Dasyatidae) in the Southeastern Pacific Ocean off Peru
FIGURES 7–8. Peruanocotyle chisholmae n. gen., n. sp. 7. Whole worm (ventral) showing the intestinal ceca. 8. Reproductive system. ABBREVIATIONS: aao, anterior attachment organ; do, distal ovary; ded, distal ejaculatory duct; eb, ejaculatory bulb; eg, egg; ha, haptor; isv, internal seminal vesicle; lvd, longitudinal vitelline duct; mag, male accessory glands; mco, male copulatory organ; oo, oötype; ovi, oviduct; ped, proximal ejaculatory duct; ph, pharynx; po, proximal ovary; sr, seminal receptacle; sv, seminal vesicle; t, testis; tvd, transverse vitelline duct; vd, vas deferens; ve, vasa efferentia; vg, vaginal glands; vp, vaginal pore.
FIGURES 1–6. Peruanocotyle chisholmae n. gen., n in A new genus and species of the Dasybatotreminae Bychowsky, 1957 (Monogenea: Monocotylidae), parasitic on Hypanus dipterurus (Jordan & Gilbert) (Myliobatiformes: Dasyatidae) in the Southeastern Pacific Ocean off Peru
FIGURES 1–6. Peruanocotyle chisholmae n. gen., n. sp. 1. Whole worm (ventral). 2. Anterior attachment organ. 3. Anchor. 4. Hook. 5. Male copulatory organ. 6. Distal end of the male copulatory organ. ABBREVIATIONS: alg; anterolateral gland; amg, anteromedial gland; asp, accessory sclerotized piece; bp, buccal papillae; exb, excretory bladder; gr, groove; op, oral opening; pg, peripheral gland.
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OpenNeuro
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