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312 results for “marine nematode”
FIGURE 6 in Description of free-living marine nematodes found in the intestine of fishes from the Brazilian coast
FIGURE 6. Trissonchulus latus (Wieser, 1953) Inglis 1961 (LM). A, B: Stoma. C: Neck. D: Vagina (arrow). E, F: Egg. G, H: Female posterior end. I, J: Male posterior end (lateral and ventral views, respectively).
FIGURE 2. Metoncholaimus amplus Hopper, 1967 in Description of free-living marine nematodes found in the intestine of fishes from the Brazilian coast
FIGURE 2. Metoncholaimus amplus Hopper, 1967 (LM). A, B: Stoma (d= dorsal tooth, lvsl= left ventrosublateral tooth, rvsl= right ventrosublateral tooth). C: Amphid (arrow). D: Anterior end. E: Uterine eggs. F: Egg surface. G: Male posterior end.
FIGURE 8 in Description of free-living marine nematodes found in the intestine of fishes from the Brazilian coast
FIGURE 8. Croconema torquens (Gerlach, 1963) Verschelde, Gourbault & Vincx, 2006. A: Stoma. B: Female amphid. C: Male amphid. D: Neck. E: Entire female. F: Entire male. G: Male posterior end. H: Female posterior end.
FIGURE 4 in Description of free-living marine nematodes found in the intestine of fishes from the Brazilian coast
FIGURE 4. Oncholaimellus labiatus (Kreis, 1932) Gerlach & Riemann, 1974 (LM). A, B, C: Stoma in subventral, subdorsal and at the sclerotized transverse band views, respectively (d= dorsal tooth, lvsl= left ventrosublateral tooth, rvsl= right ventrosublateral tooth). D: Uterine mature egg. E: Female posterior end. F: Male posterior end.
FIGURE 11 in Description of free-living marine nematodes found in the intestine of fishes from the Brazilian coast
FIGURE 11. Dorylaimopsis pellucida (Cobb, 1920) Jensen, 1979. A: Female stoma. B: Male stoma. C: Neck. D: Anterior branch of the female genital system. E: Entire male. F: Entire female. G: Female posterior end. H: Male posterior end. Parodontophora breviamphida (Timm, 1952) Timm, 1963 (female). I: Stoma. J: Tail.
FIGURE 5 in Description of free-living marine nematodes found in the intestine of fishes from the Brazilian coast
FIGURE 5. Trissonchulus latus (Wieser, 1953) Inglis 1961. A: Entire male. B: Entire female. C: Stoma. D: Amphid. E: Neck. F, G: Male posterior end (lateral and ventral views, respectively). H: Female posterior end.
Figure 1. Cavitary marine nematodes. A in Paraphyly of Marimermithida refines primary routes of transition to parasitism in roundworms
Figure 1. Cavitary marine nematodes. A, Marimermis maritima: 1, live specimens exposed in open host, sea urchin Strongylocentrotus polyacanthus; 2, 3, cephalic end apically and laterally, respectively, scanning electron microphotograph; pharyngeal gland outlets on lips, abundant irregular somatic setae; 4, generalized anterior ends juxtaposed in M. maritima [modified from Tchesunov (1997a)] and Thoracostomopsis barbata (Enoplida: Thoracostomopsidae) [modified from Lorenzen (1994)]. B, Aborjinia sp.: 1, juvenile occupying introvert of Priapulus caudatus (photograph courtesy of Dr A. S. Maiorova, NSCMB FEB RAS); 2, generalized anterior ends juxtaposed in Aborjinia sp. and Leptosomatum sp. (Enoplida: Leptosomatidae); 3, anterior body with two-celled ventral secretory-excretory gland, a distinctive genus feature [redrawn and modified from Miljutin (2003)]. C, Nematimermis enopliƲora: 1, two mature parasitoid individuals within host body of nematode Enoplus communis (Enoplida: Enoplidae); 2, 3, anterior body and head of immature parasitoid retrieved from body cavity of E. communis; 4, 5, anterior and tail regions of mature parasitoid from E. communis; trophosome resorbed, embryos with larval stylet inside egg cases, nested retained exuvia (old moulted cuticles) [all drawings modified from Tchesunov & Spiridonov (1993)]. (See also Fig. S1.) Key: a, amphid; emb ova, embryonated eggs; ep g, epidermal glands; ils, inner labial sensilla; ols + cs, joint crown of outer labial and cephalic setae; paras ind, parasitoid individuals; ph g, pharyngeal glands; ph t, pharyngeal tube; ss, somatic setae; stylet, spear-shaped armature; tr, trophosome; vgc, ventral gland cells.
FIGURE 5 in Three new free-living marine nematode species of Dorylaimopsis (Nematoda Araeolaimida: Comesomatidae) from the South China Sea and the Chukchi Sea
FIGURE 5. Dorylaimopsis boucheri sp. n. A: Male head. B: Anterior body region of male. C: Lateral surface view of male head. D: Cloacal region with spicule, gubernaculum, and precloacal supplements. E: Female tail. Scale bars. A, C, E = 10 µm; B = 50 µm; D = 25 µm.
FIGURE 7 in Three new free-living marine nematode species of Dorylaimopsis (Nematoda Araeolaimida: Comesomatidae) from the South China Sea and the Chukchi Sea
FIGURE 7. Dorylaimopsis jinyuei sp. n. A: Male head. B: Lateral surface view of male head. C: Anterior body region of female. D: Male tail. Arrow points to the spicule proximal tip with a short central lamina. E: Female tail. Scale bars. A, B, E = 10 µm; C, D = 50 µm.
FIGURE 9 in Three new free-living marine nematode species of Dorylaimopsis (Nematoda Araeolaimida: Comesomatidae) from the South China Sea and the Chukchi Sea
FIGURE 9. Dorylaimopsis jinyuei sp. n. Light micrographs. A: Male head. B: Lateral surface view of male head. C: Lateral surface view of anterior intestine. D: Vulva region. E: Cloacal region with spicule, gubernaculum, and precloacal supplements. F. Spinneret. Scale bar: A, B, C, F = 10 μm; D, E = 20 μm.
FIGURE 3 in Three new free-living marine nematode species of Dorylaimopsis (Nematoda Araeolaimida: Comesomatidae) from the South China Sea and the Chukchi Sea
FIGURE 3. Dorylaimopsis longispicula sp. n. Light micrographs. A: Female head. B: Vulva region. C: Lateral surface view of middle body region in female. D: Cloacal region with spicule, gubernaculum, and precloacal supplements. Scale bars. A, B, C = 10 µm; D = 20 µm.
Data from: The contrasting hidden consequences of parasitism: effects of a hematophagous nematode (Uncinaria sp.) in the development of a marine mammal swimming behavior.
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Figure 2 from: González-Solís D, Soler-Jiménez LC, Aguirre-Macedo ML, Mclaughlin JP, Shaw JC, James AK, Hechinger RF, Kuris AM, Lafferty KD, Vidal-Martínez VM (2019) Parasitic nematodes of marine fishes from Palmyra Atoll, East Indo-Pacific, including a new species of Spinitectus (Nematoda, Cystidicolidae). ZooKeys 892: 1-26. https://doi.org/10.3897/zookeys.892.38447
Figure 2 Spinitectus (Paraspinitectus) palmyraensis sp. nov. scanning electron micrographs. A, B anterior end of gravid female, apical and subapical views, respectively C detail of mouth, apical view D anterior end body, lateral view (arrow indicates deirids) E region of excretory pore, ventral view (arrow indicates the excretory pore) F deirids. Abbreviations: b submedian papilla, l labium, p pseudolabium, s sublabium.
Figure 3 from: González-Solís D, Soler-Jiménez LC, Aguirre-Macedo ML, Mclaughlin JP, Shaw JC, James AK, Hechinger RF, Kuris AM, Lafferty KD, Vidal-Martínez VM (2019) Parasitic nematodes of marine fishes from Palmyra Atoll, East Indo-Pacific, including a new species of Spinitectus (Nematoda, Cystidicolidae). ZooKeys 892: 1-26. https://doi.org/10.3897/zookeys.892.38447
Figure 3 Spinitectus (Paraspinitectus) palmyraensis sp. nov. scanning electron micrographs. A transition zone of spination, lateral view B larger spines with pore-like on bases C posterior end of male showing area rugosa, sublateral view D tail of male, ventral view E region of cloaca, ventral view (asterisks indicate precloacal papillae) F tail tip of male, ventral view G posterior end female, lateral view (arrow indicates phasmid) H detail of tail tip.
Figure 1 from: González-Solís D, Soler-Jiménez LC, Aguirre-Macedo ML, Mclaughlin JP, Shaw JC, James AK, Hechinger RF, Kuris AM, Lafferty KD, Vidal-Martínez VM (2019) Parasitic nematodes of marine fishes from Palmyra Atoll, East Indo-Pacific, including a new species of Spinitectus (Nematoda, Cystidicolidae). ZooKeys 892: 1-26. https://doi.org/10.3897/zookeys.892.38447
Figure 1 Spinitectus (Paraspinitectus) palmyraensis sp. nov. A anterior extremity of male, lateral view B, C cephalic end, apical and lateral views, respectively D region of vulva, lateral view E spines from different parts of body F anterior end, showing incomplete rows of spines G region of mid-body, showing missing spines H tail of female, ventral view I small spicule, lateral view J posterior end of male, lateral view.
FIGURE 3 in Four new species of free-living marine nematodes of the family Comesomatidae (Nematoda: Araeolaimida) from coast of Vietnam
FIGURE 3. Pictorial key for valid species of genus Setosabatieria.
FIGURE 1 in Two new species of free-living marine nematodes (Nematoda: Oncholaimida: Enchelidiidae) from Maemul Island, Korea
FIGURE 1. Map of distributed stations of new species in the Southern Sea, Korea.
FIGURE 1 in Rhynchonema dighaensis sp. nov. (Monhysterida: Xyalidae): a marine nematode from the Indian coast with an illustrated guide and modified key for species of Rhynchonema Cobb, 1920
FIGURE 1. Sampling localities.
FIGURE 9 in Three new and two known free-living marine nematode species of the family Ironidae from the East China Sea
FIGURE 9. Pictorial key for valid species of genus Trissonchulus.
FIGURE 13 in Free living marine nematodes of the genus Parodontophora (Axonolaimidae) from the East China Sea, with descriptions of five new species and a pictorial key
FIGURE 13. Pictorial key for group two of genus Parodontophora..
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