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50 results for “Thoracostomopsidae”
Fig. 5. A in Three new species of Mesacanthion Filipjev, 1927 (Nematoda: Thoracostomopsidae) from Argentine coasts
Fig. 5. A. Pharyngeal region of Mesacanthion longigubernaculum sp. nov., ♂, holotype (CNP-NEM 27442). B. Pharyngeal region of M. sanantoniensis sp. nov., ♂, paratype (CNP-NEM 848). C. Detail of M. longigubernaculum sp. nov., ♂, holotype (CNP-NEM 27442), showing cuticular striation. D. Gubernaculum of M. bifidum sp. nov., ♂, holotype (CNP-NEM 936). E. Detail of M. sanantoniensis sp. nov., ♂, paratype (CNP-NEM 848), showing cuticular striation.
Fig. 4 in Three new species of Mesacanthion Filipjev, 1927 (Nematoda: Thoracostomopsidae) from Argentine coasts
Fig. 4. Mesacanthion sanantoniensis sp. nov., ♂, holotype (CNP-NEM 849). A. Cephalic sense organs on anterior end. B. Posterior end, showing copulatory apparatus and precloacal supplement organ. C. Copulatory apparatus, spicules and gubernaculum. D. Gonads. Scale bars: 1 = 20 μm; 2 = 100 μm.
Fig. 3 in Three new species of Mesacanthion Filipjev, 1927 (Nematoda: Thoracostomopsidae) from Argentine coasts
Fig. 3. Mesacanthion longigubernaculum sp. nov., ♂, holotype (CNP-NEM 27442). A. Cephalic sense organs on anterior end. B. Posterior end, showing copulatory apparatus and precloacal supplement organ. C. Gonads. D. Copulatory apparatus, spicules and gubernaculum. Scale bars: 1 = 20 μm; 2 = 100 μm; 3 = 10 μm.
Fig. 2 in Three new species of Mesacanthion Filipjev, 1927 (Nematoda: Thoracostomopsidae) from Argentine coasts
Fig. 2. Mesacanthion bifidum sp. nov. A. Cephalic sense organs on anterior end of female paratype (CNP- NEM 983). B. Cephalic sense organs on male holotype (CNP-NEM 936). C. Female paratype (CNP- NEM 983) showing vulva and gonadal apparatus. D. Precloacal supplement organ of male holotype (CNP-NEM 936). E. Posterior end of male holotype (CNP-NEM 936). F. Copulatory apparatus, spicules and gubernaculum of male holotype (CNP-NEM 936). G. Gonads of male holotype (CNP-NEM 936). H. Posterior end of female paratype (CNP-NEM 983). Scale bars: 1 = 20 μm; 2 = 100 μm; 3 = 200 μm.
Fig. 1 in Three new species of Mesacanthion Filipjev, 1927 (Nematoda: Thoracostomopsidae) from Argentine coasts
Fig. 1. Map showing the study sites; map of sampling areas. A. ʻSan Antonio Oeste river estuaryʼ, Río Negro Province. B. ʻPuerto Madryn cityʼ and ʻBahía Kaiserʼ, Chubut Province. C. ʻRada Tillyʼ, Chubut Province.
Figures 13-17 in A new species of Trileptium (Nematoda: Thoracostomopsidae) from Bahia, Brazil
Figures 13-17. Allotype of Trileptium ribeirensis sp. nov.: (13) total body; (14) anterior region with pharynx, nerve ring, somatic seta and cardia; (15) body region showing the vulva and ovaries; (16-17) anterior region emphasizing the cephalic ring and amphid: (16), teeth and jaws (17). Scale bars: 13 = 200 µm, 14, 15 = 100 µm, 16, 17 = 50 µm.
Figures 2-7 in A new species of Trileptium (Nematoda: Thoracostomopsidae) from Bahia, Brazil
Figures 2-7. Holotype of Trileptium ribeirensis sp. nov.: anterior region showing setae (2), cephalic ring and amphid (3), orthometaneme (4) and teeth and jaws (5); posterior region with emphasis on the supplement (6) and the spicules and gubernaculum (7). Scale bars = 20 µm.
FIGURE 2. Male. A. Total body, B. Mandible detail, C in Description of a new species of Epacanthion (Thoracostomopsidae, Nematoda) from Brazil and a modified key for species identification *
FIGURE 2. Male. A. Total body, B. Mandible detail, C. Head and the buccal cavity with mandibles, D. Anterior region, mandibles and Teeth, E. Anterior region with the esophageal glands, F. Setae in the tail region, G. Spicules, tail and
FIGURE 3. Male. A. Total body, B. Mandibles, C in Description of a new species of Epacanthion (Thoracostomopsidae, Nematoda) from Brazil and a modified key for species identification *
FIGURE 3. Male. A. Total body, B. Mandibles, C. Teeth (Mandibles), D. Buccal cavity, E. Pharynx regions, F. Somatic setae, G. Spicules, H. Tail, I. Cardia region.
FIGURE 7 in Two new species of Parasaveljevia Wieser, 1953 (Thoracostomopsidae, Nematoda) from Argentinean coasts (Chubut, Argentina)
FIGURE 7. Pictorial key to known Parasaveljevia species (with males). A. P. cirrifera, from Wieser, 1953; B. P. limitense n. sp.; C. P. uncinoa n. sp. Scale bar: 1= 20 µm.
FIGURE 2. Figure showing main characters that differ between genera Oxyonchus and Parasaveljevia. A in Two new species of Parasaveljevia Wieser, 1953 (Thoracostomopsidae, Nematoda) from Argentinean coasts (Chubut, Argentina)
FIGURE 2. Figure showing main characters that differ between genera Oxyonchus and Parasaveljevia. A. In apical view of Oxyonchus and Parassaveljevia; B. In cephalic capsule (lateral view); C. In cephalic capsule (ventral view).
FIGURE 1 in Two new species of Parasaveljevia Wieser, 1953 (Thoracostomopsidae, Nematoda) from Argentinean coasts (Chubut, Argentina)
FIGURE 1. Map of sampling areas: A. "Playa Pozo" beach, B. "Playa El Límite" beach, both in Chubut Province.
FIGURE 4. Parasaveljevia uncinoa n in Two new species of Parasaveljevia Wieser, 1953 (Thoracostomopsidae, Nematoda) from Argentinean coasts (Chubut, Argentina)
FIGURE 4. Parasaveljevia uncinoa n. sp. Micrographs of slide mounted specimens. A. Apical view male paratype; B. Cloacal aperture in subventral view of male paratype; C. Apical view male paratype. D. Head and buccal cavity of male holotype; E. Head and buccal cavity of male paratype, sensillae; F. Copulatory apparatus, spicule, gubernaculum of male paratype; G. Cuticularization of pharynx in male holotype; H. Head and buccal cavity of male paratype, ventro-sublateral tooth. Abbrev: VSlat MB= ventro-sublateral mandible; VSlat tooth= ventro-sublateral tooth; D tooth= dorsal tooth; Mb hook= mandible hook, G1= precloacal glands; G2= postcloacal glands. Scale bar: 1= 20 µm.
FIGURE 3. Parasaveljevia uncinoa n in Two new species of Parasaveljevia Wieser, 1953 (Thoracostomopsidae, Nematoda) from Argentinean coasts (Chubut, Argentina)
FIGURE 3. Parasaveljevia uncinoa n. sp. Line drawings. A. Head in apical view of male paratype; B. Cirri and cephalic setae on anterior end of female paratype; C. Head and buccal cavity of female paratype; D. Cirri and cephalic setae on anterior end of male holotype; E. Head and buccal cavity of male holotype; F. Posterior end of male holotype; G. Posterior end of female paratype; H. Vulva and gonadal apparatus of female paratype; I. Copulatory apparatus, spicule, gubernaculum of male holotype. Scale bar: 1= 20 µm; 2= 100 µm.
FIGURE 5. Parasaveljevia limitense n in Two new species of Parasaveljevia Wieser, 1953 (Thoracostomopsidae, Nematoda) from Argentinean coasts (Chubut, Argentina)
FIGURE 5. Parasaveljevia limitense n. sp. Line drawings. A. Cirri and cephalic setae on anterior end of male holotype; B. Cirri and cephalic setae on anterior end of female paratype; C. Posterior end of female paratype; D. Ventro-sublateral male mandible; E. Ventro-sublateral female mandible; F. Precloacal organ; G. tail tip of male holotype; H. Head and buccal cavity of male holotype; I. Head and buccal cavity of female paratype; J. Vulva and gonadal apparatus of female paratype; K. Copulatory apparatus, spicule, gubernaculum of male holotype; L. Posterior end of male holotype. Scale bar: 1= 20 µm; 2= 100 µm.
FIGURE 6. Parasaveljevia limitense n in Two new species of Parasaveljevia Wieser, 1953 (Thoracostomopsidae, Nematoda) from Argentinean coasts (Chubut, Argentina)
FIGURE 6. Parasaveljevia limitense n. sp. Micrographs of slide mounted specimens. A. Entire male paratype; B. Head and buccal cavity of male holotype, ventro-sublateral mandible; C. Entire female paratype; D. Head and buccal cavity of female paratype, setae; E. Head and buccal cavity of male holotype, ventral tooth; F. Head and buccal cavity of female paratype, ventro-sublateral tooth; G. Mucus from male paratype spinneret; H. Head and buccal cavity of male holotype, ventro-sublateral tooth; I. Copulatory apparatus, spicule, gubernaculum of male holotype. Scale bar: 1= 20 µm.
FIGURE 3. P. uncinoa n in Two new species of Parasaveljevia Wieser, 1953 (Thoracostomopsidae, Nematoda) from Argentinean coasts (Chubut, Argentina)
FIGURE 3. P. uncinoa n. sp. Micrographs of slide mounted specimens. A. Apical view male paratype; B. Cloacal aperture in subventral view of male paratype; C. Apical view male paratype. D. Head and buccal cavity of male holotype; E. Head and buccal cavity of male paratype, sensillae; F. Copulatory apparatus, spicule, gubernaculum of male paratype; G. Cuticularization of oesofagus in male holotype; H. Head and buccal cavity of male paratype, ventro sublateral tooth. Abbrev: VSlat MB= ventro sublateral mandible; VSlat tooth= ventro sublateral tooth; D tooth= dorsal tooth; Mb hook= mandible hook, G1=precloacal glands; G2= postcloacal glands. Scale bar: 1= 20 µm.
FIGURE 7 in Two new species of Parasaveljevia Wieser, 1953 (Thoracostomopsidae, Nematoda) from Argentinean coasts (Chubut, Argentina)
FIGURE 7. Pictorial key of known Parasaveljevia species (with males). A. P. cirrifera, from Wieser, 1953; B. P. limitense n. sp.; C. P. uncinoa n. sp. Scale bar: 1= 20 µm.
FIGURE 6. Figure showing main characters that differ between genera Oxyonchus and Parasaveljevia. A in Two new species of Parasaveljevia Wieser, 1953 (Thoracostomopsidae, Nematoda) from Argentinean coasts (Chubut, Argentina)
FIGURE 6. Figure showing main characters that differ between genera Oxyonchus and Parasaveljevia. A. In apical view of Oxyonchus and Parassaveljevia; B. In cephalic capsule (lateral view); C. In cephalic capsule (ventral view).
FIGURE 2. P. uncinoa n in Two new species of Parasaveljevia Wieser, 1953 (Thoracostomopsidae, Nematoda) from Argentinean coasts (Chubut, Argentina)
FIGURE 2. P. uncinoa n. sp. Line drawings. A. Head in apical view of male paratype; B. Cirri and cephalic setae on anterior end of female paratype; C. Head and buccal cavity of female paratype; D. Cirri and cephalic setae on anterior end of male holotype; E. Head and buccal cavity of male holotype; F. Posterior end of male holotype; G. Posterior end of female paratype; H. Vulva and gonadal apparatus of female paratype; I. Copulatory apparatus, spicule, gubernaculum of male holotype. Scale bar: 1= 20 µm; 2= 100 µm.
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