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103 results for “Campos Basin”
FIGURE 5 in Two new species of Sabatieria Rouville (Nematoda: Comesomatidae) with conical-cylindrical tails, from Campos Basin, Rio de Janeiro, Brazil *
FIGURE 5. Sabatieria fidelis sp. n. Male. A. Total view, B. Pharyngeal region, C. Anterior end showing buccal cavity and amphid, D. Anterior end showing cuticle, E. Posterior body region showing the ejaculatory glands and tail, F. Copulatory apparatus.
FIGURE 2 in Two new species of Sabatieria Rouville (Nematoda: Comesomatidae) with conical-cylindrical tails, from Campos Basin, Rio de Janeiro, Brazil *
FIGURE 2. Sabatieria exilis sp. n. Male. A. Total view; B. Pharyngeal region, C. Head; D. Posterior body region showing the arrangement of precloacal supplements and tail; E. Copulatory apparatus.
FIGURE 6 in Two new species of Sabatieria Rouville (Nematoda: Comesomatidae) with conical-cylindrical tails, from Campos Basin, Rio de Janeiro, Brazil *
FIGURE 6. Sabatieria fidelis sp. n. Male. A. Total view, B. Anterior end showing cuticle and amphid, C. Anterior end showing head and buccal cavity, D. Tail, E. Pharyngeal region, F. Copulatory apparatus.
FIGURE 1 in Spirinia lara sp. n. and Spirinia sophia sp. n. (Nematoda, Desmodoridae) from the Brazilian continental margin (Campos Basin, Rio de Janeiro)
FIGURE 1. Study area showing sampling stations. Circles represents where the new species were found.
FIGURE 2 in Spirinia lara sp. n. and Spirinia sophia sp. n. (Nematoda, Desmodoridae) from the Brazilian continental margin (Campos Basin, Rio de Janeiro)
FIGURE 2. Spirinia lara sp. n., holotype. A: total body; B: head region with cephalic setae, amphid and striae; C: anterior region emphasizing the buccal cavity and glands; D: anterior region emphasizing secretory-excretory pore, nerve ring, papillae and bulb; E: spicule, guberlaculum, caudal glands and papillae; F: caudal striation.
FIGURE 4 in Spirinia lara sp. n. and Spirinia sophia sp. n. (Nematoda, Desmodoridae) from the Brazilian continental margin (Campos Basin, Rio de Janeiro)
FIGURE 4. Spirinia lara sp. n. A: Holotype, total body; B: Allotype, total body; C: head and pharynx; D: tooth; E: amphid; F: somatic papillae; G: Spicule and gubernaculum; H: somatic papillae and caudal glands; I: egg and vulva; J: tail with a suctorian. Scales A, B, D, E, G, H and I: 100Μm; C, F and J: 50Μm;
FIGURE 5 in Spirinia lara sp. n. and Spirinia sophia sp. n. (Nematoda, Desmodoridae) from the Brazilian continental margin (Campos Basin, Rio de Janeiro)
FIGURE 5. Spirinia sophia sp. n., holotype. A: total body, B: anterior end with amphid, striae, and bulb; C: head region with teeth; D: head reagion emphasizing cephalic setae and amphideal fovea; E: tail with spicule, gubernaculum, caudal glands and striae; F: tail with precloacal supplements, ejaculatory glands and papile glands.
FIGURE 3 in Spirinia lara sp. n. and Spirinia sophia sp. n. (Nematoda, Desmodoridae) from the Brazilian continental margin (Campos Basin, Rio de Janeiro)
FIGURE 3. Spirinia lara sp. n., allotype. A: total body; B: head region with amphid, cephalic setae and striae; C: secretory-excretory pore, nerve ring, excretory gland and bulb.
FIGURE 7 in Spirinia lara sp. n. and Spirinia sophia sp. n. (Nematoda, Desmodoridae) from the Brazilian continental margin (Campos Basin, Rio de Janeiro)
FIGURE 7. Spirinia sophia sp. n. A: Holotype, total body; B: Allotype, total body; C: holotype, amphid; D: allotype, tooth and cephalic setae; E: allotype, amphid; F: holotype, dorsal tooth and outer labial papillae visible; G: tail region; H: Spicule and gubernaculum; I: vulva. Scales A: 50Μm; B – I: 100Μm.
FIGURE 6 in Spirinia lara sp. n. and Spirinia sophia sp. n. (Nematoda, Desmodoridae) from the Brazilian continental margin (Campos Basin, Rio de Janeiro)
FIGURE 6. Spirinia sophia sp. n., allotype. A: total body, B: secretory-excretory gland, nerve ring and bulb; C: head region with cephalic and subcephalic setae, amphideal fovea and striae; D: vulva.
FIGURES 47–55. 47, 48 in Deep-water Raphitomidae (Mollusca, Gastropoda, Conoidea) from the Campos Basin, southeast Brazil
FIGURES 47–55. 47, 48—Pleurotomella cf. anceyi Dautzenberg & Fischer, 1897, IBUFRJ 18984; 47—6.90 mm, whole shell; 48—protoconch. Figures 49, 50—Pleurotomella bureaui Dautzenberg & Fischer, 1897, IBUFRJ 19201; 49—4.30 mm, whole shell; 50—protoconch. Figures 51, 52, 53, 54, 55—Pleurotomella ybessa n. sp.; 51—Holotype MNRJ 30288; 12.26 mm, whole shell; 52, 54, 55—Paratype IBUFRJ 19191, 52—6.06 mm, whole shell; 54—detail of shell surface; 55—protoconch; 53—Paratype MCZ 374809; 5.88 mm, whole shell. Scale bars: 47, 49, 52 and 53 = 750 μm; 48, 50 and 55 = 250 μm; 51 = 2 mm; 54 = 25 μm.
FIGURES 38–46. 38, 39, 40 in Deep-water Raphitomidae (Mollusca, Gastropoda, Conoidea) from the Campos Basin, southeast Brazil
FIGURES 38–46. 38, 39, 40—Pleurotomella cala (Watson, 1885); 38—IBUFRJ 18982, 6.80 mm, whole shell; 39—IBUFRJ 18982, protoconch, 40—Syntype BMNH 1887.2.9.113-14. Figure 41—Pleurotomella packardii Verrill, 1872, Syntype USNM 37874. Figures 42, 43—Pleurotomella coelorhaphe Dautzenberg & Fischer, 1896, IBUFRJ 19181; 42—4.22 mm, whole shell; 43—protoconch. Figures 44, 45, 46—Pleurotomella perpauxilla (Watson, 1881); 44—IBUFRJ 15428, 3.46 mm, whole shell; 45—IBUFRJ 15428, protoconch; 46—Syntype BMNH 1887.2.9.1109. Scale bars: 38 = 1 mm; 39, 43 and 45= 250 μm; 40 and 41 = 2 mm; 42, 44 and 46 = 500 μm.
FIGURES 27–37. 27, 28 in Deep-water Raphitomidae (Mollusca, Gastropoda, Conoidea) from the Campos Basin, southeast Brazil
FIGURES 27–37. 27, 28—Gymnobela atypha (Bush, 1893); 27—IBUFRJ 16571, 20.42 mm, whole shell; 28—IBUFRJ 18924, protoconch. Figures 29, 30—Gymnobela bairdii (Verrill & Smith, 1884); 29—IBUFRJ 16437, 22.48 mm, whole shell; 30—IBUFRJ 18950, protoconch. Figures 31, 32—Gymnobela chyta (Watson, 1881); 31—IBUFRJ 16421, 31.54 mm, whole shell; 32—IBUFRJ 19178, protoconch. Figures 33, 34—Gymnobela xaioca n. sp.; 33—Holotype MNRJ 30287, 20.94 mm, whole shell; 34—Paratype IBUFRJ 16460, 14.34 mm, whole shell. Figures 35, 36—Gymnobela blakeana Dall, 1881; 35—IBUFRJ 16574, 10.02 mm, whole shell; 36—Syntype USNM 87427. Figure 37—Gymnobela aquilarum Watson, 1881, Holotype BMNH 1887.2.9.724. Scale bars: 27 and 29 = 3 mm; 28, 30 and 32 = 300 μm; 31 and 33 = 4 mm; 34, 35, 36 and 37 = 2 mm.
FIGURES 20–26. 20, 21 in Deep-water Raphitomidae (Mollusca, Gastropoda, Conoidea) from the Campos Basin, southeast Brazil
FIGURES 20–26. 20, 21—Magnella malmii (Dall, 1889), IBUFRJ 15980; 20—3,00 mm, whole shell; 21—protoconch. Figures 22, 23—Magnella watsoni (Dautzenberg, 1889), IBUFRJ 14967; 22—4.94 mm, whole shell; 23—protoconch. Figures 24, 25, 26—Magnella extensa (Dall, 1881); 24—IBUFRJ 18474, 3.30 mm, whole shell; 25—IBUFRJ 18474, protoconch; 26—Syntype MCZ 7147. Scale bars: 20 and 24 = 500 μm; 21, 23 and 25 = 250 μm; 22 and 26 = 1 mm.
FIGURES 1–11. 1, 2 in Deep-water Raphitomidae (Mollusca, Gastropoda, Conoidea) from the Campos Basin, southeast Brazil
FIGURES 1–11. 1, 2 —Aliceia aenigmatica Dautzenberg & Fischer, 1897, IBUFRJ 18442; 1—4.02 mm, whole shell; 2—protoconch; 3, 4—Famelica mirmidina Dautzenberg & Fischer, 1896; 1—IBUFRJ 18465, 4.94 mm, whole shell; 2—IBUFRJ 18452, protoconch; 5, 6, 7—Neopleurotomoides aembe n. sp.; 5, 8—Holotype MNRJ 30285; 5—3.18 mm, whole shell; 8—detail of shell surface; 6—Paratype MZSP 108228, 3.64 mm, whole shell; 7—Paratype MNRJ 30286, protoconch; 9, 10, 11—Eubela limacina (Dall, 1881); 9—Syntype MCZ 7111; 10—IBUFRJ 13847, 7.32 mm, whole shell; 11—IBUFRJ 15348, protoconch. Scale bars: 1, 3, 5 and 6 = 500 μm; 2, 4, 7 and 11 = 300 μm; 8 = 50 μm; 9 and 10 = 1 mm.
FIGURES 12–19. 12, 13 in Deep-water Raphitomidae (Mollusca, Gastropoda, Conoidea) from the Campos Basin, southeast Brazil
FIGURES 12–19. 12, 13—Xanthodaphne dalmasi Dautzenberg & Fischer, 1896, IBUFRJ 18498; 12—4.94 mm, whole shell; 13—protoconch; 14, 15 —Xanthodaphne araneosa Watson, 1881, IBUFRJ 18537; 14—5.18 mm, whole shell; 15—protoconch; 16, 17, 18, 19—Xanthodaphne pichi n. sp.; 16, 18, 19—Holotype MNRJ 30289; 16—3.88 mm, whole shell; 18—detail of shell surface; 19—protoconch; 17—Paratype IBUFRJ 17063, 6.98 mm, whole shell. Scale bars: 12, 15 and 16 = 500 μm; 13 and 19= 300 μm; 14 and 16 = 1 mm; 18 = 50 μm.
FIGURE 10 in Four new species of Polycirrus Grube, 1850 (Polychaeta: Terebellidae) from Campos Basin, southeastern Brazil
FIGURE 10. Polycirrus habitats sp. nov. Photos A–D, F from holotype (MZUSP 1221); photos E, G–I from paratype 1 (MZUSP 1246). A–B, tips of pinnate notochaetae; C–D, F–I, uncini, posterior neuropodia; E, notochaetae, anterior notopodium. Scale bars: A, C = 20 μm; B, D, F = 10 μm; E, G–I = 10 µm.
FIGURE 8 in Four new species of Polycirrus Grube, 1850 (Polychaeta: Terebellidae) from Campos Basin, southeastern Brazil
FIGURE 8. Polycirrus breviuncinatus sp. nov. Paratype 2 (MZUSP 1245). A, detail of the anterior end, ventral view; B, detail of the anterior end, dorsal view; C–D, anterior notopodia; E, detail of the tips of notochaetae, anterior notopodium; F–G, uncini, posterior neuropodia. Numbers refer to segments; ll = lower lip; P* = basal part of the prostomium; P (dp) = distal part of the prostomium; ul = upper lip. Scale bars: A = 100 μm, B–C = 50 μm, D, F = 2 μm, E = 20 μm, G = 5 μm.
FIGURE 7 in Four new species of Polycirrus Grube, 1850 (Polychaeta: Terebellidae) from Campos Basin, southeastern Brazil
FIGURE 7. Polycirrus breviuncinatus sp. nov. Holotype (MZUSP 1220). A, entire worm; B, anterior end, ventral view; C, anterior end, dorsal view; D, anterior end, left lateral view; E, notochaetae, segment 8; F, uncinus, segment 18. Numbers refer to segments; ll = lower lip; P* = basal part of the prostomium; P (dp) = distal part of the prostomium; ul = upper lip. Scale bars: A = 500 µm; B–D = 150 µm; E = 20 µm; F = 5 µm.
FIGURE 6 in Four new species of Polycirrus Grube, 1850 (Polychaeta: Terebellidae) from Campos Basin, southeastern Brazil
FIGURE 6. Polycirrus papillosus sp. nov. Photos A–C, E from holotype (MZUSP 1216); photos D, F–G from paratype 10 (MZUSP 1244). A, notochaetae from anterior notopodium; B, close up view of the tips of two notochaetae from anterior row (winged); C–E, uncini, anterior neuropodium; F–G, uncini, posterior neuropodia; arrow points to dorsal button. Scale bars: A–C = 20 μm; D, G = 5 μm; E = 10 μm; F = 2 μm.
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