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41 results for “Oligosarcus”
FIGURE 2 in A threatened new species of Oligosarcus and its phylogenetic relationships, with comments on Astyanacinus (Teleostei: Characidae)
FIGURE 2. Oligosarcus itau; above: CI-FML 3856, male, holotype, 62.1 mm SL; below: CI-FML 3857, female paratype, 66.2 mm SL. Alcohol-preserved specimens.
FIGURE 5 in A threatened new species of Oligosarcus and its phylogenetic relationships, with comments on Astyanacinus (Teleostei: Characidae)
FIGURE 5. Oligosarcus pintoi, CI-FML 4015, 28.4 mm SL: Detail of neurocranium from lateral view; right side, reversed image. 13(1): absence of temporal foramen, 366(1): sphenotic spine notched, PTO: pterotic, SPH: sphenotic. Scale bar=1 mm.
FIGURE 1 in A threatened new species of Oligosarcus and its phylogenetic relationships, with comments on Astyanacinus (Teleostei: Characidae)
FIGURE 1. Oligosarcus itau; above: CI-FML 3856, male, holotype, 62.1 mm SL; below: CI-FML 3857, female paratype, 66.2 mm SL. Fresh specimens, just after capture.
FIGURES 43–52 in Characithecium (Monogenoidea: Dactylogyridae) parasitic on the Neotropical fish Oligosarcus jenynsii (Teleostei: Characidae) from the Pampasic region, Argentina, with the emendation of the genus
FIGURES 43–52. Male genital complex (MGC) and haptor armature of 5 species of Characithecium. 43–44. C. chascomusensis n. comb. 43. MGC, ventral view. 44. haptor, ventral view. 45–46.C. longianchoratum n. sp. 45. MGC, dorsal view. 46. haptor, ventral view. 47–48. C. robustum n. sp. 47. MGC, dorsal view. 48. haptor, ventral view. 49–50. C. quadratum n. sp. 49. MGO, dorsal view. 50. haptor, ventral view. 51–52.C. chelatum n. sp. 51. MGC, dorsal view. 52. haptor, ventral view. Scale bars: 43, 45, 47, 49, 51 = 10 µm; 44, 46, 48, 50, 52 = 20 µm.
FIGURES 27–34. Characithecium quadratum n in Characithecium (Monogenoidea: Dactylogyridae) parasitic on the Neotropical fish Oligosarcus jenynsii (Teleostei: Characidae) from the Pampasic region, Argentina, with the emendation of the genus
FIGURES 27–34. Characithecium quadratum n. sp. 27. whole mount, ventral view. 28. male genital complex, ventral view. 29. vagina, ventral view. 30. ventral bar. 31. dorsal bar. 32. ventral anchor. 33. dorsal anchor. 34. hook. Scale bars: 27= 125 Μm; 28= 10 Μm; 29–34= 20 Μm.
FIGURES 1–8. Characithecium chascomusensis n in Characithecium (Monogenoidea: Dactylogyridae) parasitic on the Neotropical fish Oligosarcus jenynsii (Teleostei: Characidae) from the Pampasic region, Argentina, with the emendation of the genus
FIGURES 1–8. Characithecium chascomusensis n. comb. (Suriano 1981). 1.whole mount, ventral view. 2. copulatory complex, ventral view. 3. vagina, ventral view. 4. ventral bar. 5. dorsal bar. 6. ventral anchor. 7. dorsal anchor. 8. hook. Scale bars: 1 = 50 Μm; 2 = 10 Μm; 3–8 = 20 Μm.
FIGURES 18–26.Characithecium robustum n in Characithecium (Monogenoidea: Dactylogyridae) parasitic on the Neotropical fish Oligosarcus jenynsii (Teleostei: Characidae) from the Pampasic region, Argentina, with the emendation of the genus
FIGURES 18–26.Characithecium robustum n. sp. 18. whole mount, ventral view. 19. male genital complex, ventral view. 20. Egg. 21. vagina, ventral view. 22. ventral bar. 23. dorsal bar. 24. ventral anchor. 25. dorsal anchor. 26. hook. Scale bars: 18 = 125 Μm; 19 = 10 Μm;20–26 = 20 Μm.
FIGURES 35–42.Characithecium chelatum n in Characithecium (Monogenoidea: Dactylogyridae) parasitic on the Neotropical fish Oligosarcus jenynsii (Teleostei: Characidae) from the Pampasic region, Argentina, with the emendation of the genus
FIGURES 35–42.Characithecium chelatum n. sp. 35. whole mount, ventral view. 36. male genital complex, ventral view. 37. vagina, ventral view. 38. ventral bar. 39. dorsal bar. 40. ventral anchor. 41.dorsal anchor. 42. hook. Scale bars: 35 = 50 Μm; 36 = 10 Μm; 37–42 = 20 Μm.
FIGURE 7 in Oligosarcus amome (Ostariophysi: Characidae), a new species from the río Uruguay basin, Misiones, Argentina
FIGURE 7. Strict consensus of 5000+ maximum parsimony trees from phylogenetic analysis of 165 taxa plus outgroup and 366 morphological characters of the Characidae and selected Characoidei. The genus Oligosarcus is highlighted and the new species is underlined.
FIGURE 4 in Oligosarcus amome (Ostariophysi: Characidae), a new species from the río Uruguay basin, Misiones, Argentina
FIGURE 4. Oligosarcus amome, live specimen, MACN-ict 10374, paratype, female, 125.1 mm SL, Argentina, Misiones Province, río Uruguay basin, arroyo Fortaleza, tributary of the arroyo Yabotí-Guazú.
FIGURE 6 in Oligosarcus amome (Ostariophysi: Characidae), a new species from the río Uruguay basin, Misiones, Argentina
FIGURE 6. Hydrological map of the Misiones Province, Argentina showing the sampling sites. 1. arroyo Fortaleza, 2. arroyo Oveja Negra (type locality). Both streams are tributaries of arroyo Yabotí-Guazú.
FIGURE 3. Oligosarcus amome, MLP 10680, 119.0 in Oligosarcus amome (Ostariophysi: Characidae), a new species from the río Uruguay basin, Misiones, Argentina
FIGURE 3. Oligosarcus amome, MLP 10680, 119.0 mm SL, medial view of right lower jaw. Scale bar: 1 mm.
FIGURE 5 in Oligosarcus amome (Ostariophysi: Characidae), a new species from the río Uruguay basin, Misiones, Argentina
FIGURE 5. Oligosarcus amome, type locality, Argentina, Misiones Province, arroyo Oveja Negra, tributary of arroyo Yabotí- Guazú, 27º08'15.5"S-53º55'28.8"W.
FIGURE 1 in Oligosarcus amome (Ostariophysi: Characidae), a new species from the río Uruguay basin, Misiones, Argentina
FIGURE 1. Oligosarcus amome, female, holotype, MLP 10679, 125,0 mm; Misiones Province, río Uruguay basin, arroyo Oveja Negra, tributary of arroyo Yabotí-Guazú.
FIGURE 4 in Oligosarcus perdido (Characiformes, Characidae), a new species of freshwater fish from Serra da Bodoquena, upper Rio Paraguai basin, Brazil
FIGURE 4. Pectoral girdle in right lateral (A), mesial (B), and left lateral view of the caudal skeleton of Oligosarcus perdido. Paratype LIRP 5896, 53.4 mm SL.
FIGURE 3 in Oligosarcus perdido (Characiformes, Characidae), a new species of freshwater fish from Serra da Bodoquena, upper Rio Paraguai basin, Brazil
FIGURE 3. Hyoid arch in left lateral view (A). Complete branchial skeleton in dorsal view (B). Detail of lower pharyngeals in dorsal view (C) and upper pharyngeals in ventral view (D) of Oligosarcus perdido, paratype LIRP 5896, 53.4 mm SL.
FIGURE 1. A in Oligosarcus perdido (Characiformes, Characidae), a new species of freshwater fish from Serra da Bodoquena, upper Rio Paraguai basin, Brazil
FIGURE 1. A) Oligosarcus perdido. Holotype, MZUSP 94691, 97.8 mm SL, left lateral view. B) Oligosarcus perdido, c&s specimen, paratype LIRP 5896, 53.4 mm SL, right lateral view.
FIGURE 2 in Oligosarcus perdido (Characiformes, Characidae), a new species of freshwater fish from Serra da Bodoquena, upper Rio Paraguai basin, Brazil
FIGURE 2. Infraorbital series (A). Upper jaw (B) and suspensoriun (C) of Oligosarcus perdido. Paratype LIRP 5896, 53.4 mm SL. All right lateral views.
FIGURE 12. Oligosarcus platensis, MHNM 762 in A threatened new species of Oligosarcus and its phylogenetic relationships, with comments on Astyanacinus (Teleostei: Characidae)
FIGURE 12. Oligosarcus platensis, MHNM 762, holotype, 97.0 mm SL. Alcohol-preserved specimen.
FIGURE 2. Oligosarcus amome, MLP10680, 119.0 in Oligosarcus amome (Ostariophysi: Characidae), a new species from the río Uruguay basin, Misiones, Argentina
FIGURE 2. Oligosarcus amome, MLP10680, 119.0 mm SL, medial view of left upper jaw. Scale bar: 1 mm.
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