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344 results for “NE Atlantic”
FIGURE 3 in A new species of Halophytophilus Brian, 1919 (Copepoda: Harpacticoida: Ectinosomatidae) from cold-water corals in the Porcupine Seabight (NE Atlantic)
FIGURE 3. Halophytophilus lopheliae sp. nov. A–B, I (female, COP 7013); C (female, COP 7015); D (female, COP 7018); E (female, COP 7016); F–H (female, COP 7020). A, labrum; B, palp of mandible; C–D, gnathobase of mandible; E, maxillule, posterior; F, maxilla, posterior (armature of endopod omitted); G, endopod of maxilla, posterior (armature of enp-3 omitted); H, enp-3 of maxilla, posterior; I, maxilliped, posterior.
FIGURE 5. Acanthicolepis zibrowii n in On the distinction of Harmothoe globifera (G. O. Sars, 1873) and some other easily confused polynoids in the NE Atlantic, with the description of a new species of Acanthicolepis Norman in McIntosh, 1900 (Polychaeta, Polynoidae)
FIGURE 5. Acanthicolepis zibrowii n. sp. (SMF 17300, syntypes). (A) anterior end of large syntype, styles of left lateral and median antenna, and of tentacular cirri and right dorsal cirrus missing; (B) right anterior elytron from unknown segment, free in vial; (C) micro- and macrotubercles from same; (D) right elytragerous parapodium from segment 9 of large syntype, posterior view; (E) distal half of long notochaeta; (F) distal part of middle neurochaeta; (G) tip of same; (H) tip of upper neurochaeta; (I) tip of lower neurochaeta. (Scales: A = 2 mm; B = 1 mm; C = 250 µm; D = 500 µm; E, F = 100 µm; G–I = 50 µm).
FIGURE 3 in On the distinction of Harmothoe globifera (G. O. Sars, 1873) and some other easily confused polynoids in the NE Atlantic, with the description of a new species of Acanthicolepis Norman in McIntosh, 1900 (Polychaeta, Polynoidae)
FIGURE 3. Eunoe oerstedi (SMF 17527, small specimen). (A) anterior end; (B) left elytron from segment 4; (C) micro- and macrotubercles from same; (D) left elytragerous parapodium from segment 13, posterior view; (E) distal half of long notochaeta; (F) distal part of upper neurochaeta; (G) distal part of middle neurochaeta; (H) distal part of lower neurochaeta. (Scales: A = 2 mm; B = 1 mm; C, E–H = 250 µm; D = 500 µm).
FIGURE 2 in On the distinction of Harmothoe globifera (G. O. Sars, 1873) and some other easily confused polynoids in the NE Atlantic, with the description of a new species of Acanthicolepis Norman in McIntosh, 1900 (Polychaeta, Polynoidae)
FIGURE 2. Eunoe nodosa (ZMO C5244). (A) anterior end, styles of median antenna, left tentacular and right dorsal tentacular cirri, and dorsal cirri missing; (B) right anterior elytron from unknown segment, free in vial; (C) micro- and macrotubercles at posterior margin from same; (D) micro-and macrotubercles at outer lateral margin from same; (E) right elytragerous parapodium from segment 21, posterior view; (F) distal half of long notochaeta; (G) tip of same; (H) distal part of middle neurochaeta; (I) tip of same; (J) tip of upper neurochaeta; (K) tip of lower neurochaeta. (Scales: A, B = 2 mm; C, D, F, H = 250 µm; E = 500 µm; G, I–K = 100 µm).
FIGURE 4 in On the distinction of Harmothoe globifera (G. O. Sars, 1873) and some other easily confused polynoids in the NE Atlantic, with the description of a new species of Acanthicolepis Norman in McIntosh, 1900 (Polychaeta, Polynoidae)
FIGURE 4. Leucia nivea (VM 23936). (A) anterior end; styles of lateral antennae and tip of median antenna missing; (B) right elytron from unknown segment, free in vial; (C) micro- and macrotubercles from same; (D) left parapodium from unknown segment, posterior view; (E) distal half of long notochaeta; (F) tip of same; (G) distal part of middle neurochaeta; (H) tip of same; (I) tip of lowermost neurochaeta. (Scales: A, B = 2 mm; C, F, H, I = 100 µm; D = 1 mm; E, G = 250 µm).
FIGURE 1 in On the distinction of Harmothoe globifera (G. O. Sars, 1873) and some other easily confused polynoids in the NE Atlantic, with the description of a new species of Acanthicolepis Norman in McIntosh, 1900 (Polychaeta, Polynoidae)
FIGURE 1. Harmothoe globifera (SMF 18887). (A) anterior end; (B) right anterior elytron from unknown segment, free in vial; (C) micro- and macrotubercles from same; (D) left elytragerous parapodium from segment 5, posterior view; (E) distal half of long notochaeta; (F) distal part of middle, unidentate neurochaeta; (G) tip of same; (H) tip of upper bidentate neurochaeta with fragile secondary tooth; (I) tip of upper bidentate neurochaeta with abraded secondary tooth; (J) tip of lower unidentate neurochaeta. (Scales: A, B = 2 mm; C = 250 µm; D = 500 µm; E, F = 100 µm; G–J = 50 µm).
FIGURE 2. X in A new ' saccamminid' genus (Rhizaria: Foraminifera), from 4400 m water depth in the Nazaré Canyon (NE Atlantic)
FIGURE 2. X-ray microanalysis of a larger grain in the outer agglutinated case (specimen 1 illustrated in Plate 3, figs A–F; 0.5–1.0 cm layer of the core from Station 56859#2).
FIGURE 1. X in A new ' saccamminid' genus (Rhizaria: Foraminifera), from 4400 m water depth in the Nazaré Canyon (NE Atlantic)
FIGURE 1. X-ray microanalysis of the surface of the 'saccamminid' test (specimen illustrated in Plate 1, figs C–H; 0.5–1.0 cm layer of the core from Station 56859#2).
FIGURE 6 in Lumbrineridae (Polychaeta) from the Portuguese continental shelf (NE Atlantic) with the description of four new species
FIGURE 6. Ordination analysis based on morphological descriptors of specimens of Abyssoninoe, Lumbrineris, Gallardoneris, Lumbrinerides, Lumbrineriopsis and Ninoe species (A) and of Lumbrineris luciliae sp. nov., L. lusitanica sp. nov. and L. pinaster sp. nov. (B). The most correlated variables (rho>0.8) are shown as dashed vectors. Legend: A.P.L.—postchaetal lobe shape in anterior parapodia; CMHH—composite multidentate hooded hook; SMHH—simple multidentate hooded hook; SBHH—simple bidentate hooded hook; MI attach. lam.—MI attachment lamellae; MIII unid. + knob – MIII unidentate followed by a knob; prominent proj. MIII—prominent projection in the basal part of MIII; MIV unid. + dev. plate—MIV unidentate with a developed plate; MIV unid. + pointed tooth—MIV unidentate with a pointed tooth; W10—width at chaetiger 10 excluding parapodia.
FIGURE 5 in Lumbrineridae (Polychaeta) from the Portuguese continental shelf (NE Atlantic) with the description of four new species
FIGURE 5. Lumbrineris pinaster sp. nov. Paratype (ECOSUR0131) A, anterior end, dorsal view; B, parapodium 3, frontal view; C, parapodium 13, frontal view; D, parapodium 153, frontal view; E, composite multidentate hooded hook, from parapodium 3; F, simple multidentate hooded hook with long hood, from parapodium 13; G, preacicular simple multidentate hooded hook with short hood, from parapodium 79; H, postacicular simple multidentate hooded hook with short hood, from parapodium 79; I, maxillae III and IV, dorsal view. Scale bars: A, 0.4 mm; B, C, 0.5 mm; D, I, 0.025 mm; E, F, 0.012 mm.
FIGURE 1 in Lumbrineridae (Polychaeta) from the Portuguese continental shelf (NE Atlantic) with the description of four new species
FIGURE 1. Study area: the Portuguese continental shelf. Grey dots correspond to sampling sites where Lumbrineridae specimens were found.
FIGURE 3 in Lumbrineridae (Polychaeta) from the Portuguese continental shelf (NE Atlantic) with the description of four new species
FIGURE 3. Lumbrineris luciliae sp. nov. Paratype (ECOSUR0129) A, anterior end, dorsal view; B, parapodium 3, frontal view; C, parapodium 13, frontal view; D, parapodium 77, frontal view; E, composite multidentate hooded hook, from parapodium 3; F, simple multidentate hooded hook from parapodium 77; G, acicula from parapodium 86; H, maxillae III and IV, dorsal view. Scale bars: A, 1.0 mm; B, C, D, H 0.1 mm; E, F, 0.025 mm; G, 0.01 mm.
FIGURE 2 in Lumbrineridae (Polychaeta) from the Portuguese continental shelf (NE Atlantic) with the description of four new species
FIGURE 2. Gallardoneris iberica sp. nov. Paratype (ECOSUR0128) A, anterior end, dorsal view; B, parapodium 4, frontal view; C, parapodium 16, frontal view; D, parapodium 88, frontal view; E, composite multidetate hooded hook, from parapodium 4; F, simple multidentate hooded hooks, from parapodium 16; G, maxillary apparatus, dorsal view; H, maxillae III; I, maxillae IV. Scale bars: A, 0.3 mm; B, C, D, 0.025 mm; E, F, 0.012 mm; G, 2.5 mm; H, I, 0.5 mm.
FIGURE 4 in Lumbrineridae (Polychaeta) from the Portuguese continental shelf (NE Atlantic) with the description of four new species
FIGURE 4. Lumbrineris lusitanica sp. nov. Paratype (ECOSUR0130) A, anterior end, dorsal view; B, parapodium 3, frontal view; C, parapodium 13, frontal view; D, parapodium 79, frontal view; E, composite multidentate hooded hook, from parapodium 3; F, simple multidentate hooded hooks, from parapodium 79; G, maxillae III and IV, dorsal view. Scale bars: A, 0.7 mm; B, C, D, G 0.05 mm; E, F, 0.025 mm.
FIGURE 4. A in The hydrozoan fauna (Cnidaria: Hydrozoa) from the peaks of the Ormonde and Gettysburg seamounts (Gorringe Bank, NE Atlantic)
FIGURE 4. A: Sertularella ellisii—Hydrotheca and internode; Stn 5. B: Sertularella gayi—hydrothecae in portion of hydrocladium, Stn 10. C: Sertularella ornata—hydrotheca; Stn 5. D: Antennella secundaria—part of a colony; Stn 7. E: Plumularia setacea—part of a colony, hydrocaulus and hydrocladia; Stn 10. F: Aglaophenia kirchenpaueri—hydrothecae; Stn 5. G: Aglaophenia pluma—hydrothecae; Stn 10. H: Obelia dichotoma—fragment of stem with hydrothecae; Stn 4. I: Obelia geniculata—stem internodes and hydrotheca. J: Orthopyxis integra—hydrotheca and pedicel; Stn 4. K: Clytia cf. gracilis— hydrotheca and distal part of pedicel; Stn 8. L: Clytia hemisphaerica—hydrotheca and distal part of pedicel; Stn 10. Scale bars: 0.5 mm (G, K, L); 1 mm (A–E, F, H–J). Photo credits: C.J. Moura.
FIGURE 2. A in The hydrozoan fauna (Cnidaria: Hydrozoa) from the peaks of the Ormonde and Gettysburg seamounts (Gorringe Bank, NE Atlantic)
FIGURE 2. A: Filifera indet.—polyp; Stn 9. B: Bougainvilliidae indet.—fragment of a colony; Stn 10. C, D: Amphinema cf. dinema—individual polyps detached from the colony; Stn 4. E: Eudendrium armatum—live bushy colony little exposed to sunlight; Stn 7. F: Eudendrium cf. merulum—dense tufts of well-developed monosiphonic colonies; Stn 4. G–I: Eudendrium sp.—pedicels with polyps (G); Stn 4 (left) and Stn 1 (right); small microbasic euryteles (H); large nematocysts (I). J: Coryne eximia—large colonies overgrowing a cable; Stn 4. K: Coryne sp.—part of a colony; Stn 5. Scale bars: 10 µm (H, I); 0.2 mm (A); 1 mm (B, C, D, G, K); 1 cm (F). Photo credits. C.J. Moura.
FIGURE 3. A in The hydrozoan fauna (Cnidaria: Hydrozoa) from the peaks of the Ormonde and Gettysburg seamounts (Gorringe Bank, NE Atlantic)
FIGURE 3. A: Lafoeina tenuis—hydrotheca with hydranth (right) and nematotheca (left); Stn 10. B: Cuspidella sp.— Hydrotheca with hydranth; Stn 9. C: Halecium pusillum—part of a colony, hydrothecae and hydranths; Stn 10. D: Halecium tenellum- part of a colony; Stn 10. E: Halecium sp.—portion of a colony; Stn 4. F: Filellum cf. serpens—hydrotheca; Stn 7. G: Filellum cf. serratum—hydrotheca; Stn 4. Scale bars: 0.2 mm (A); 0.5 mm (B, C, E–G); 1 mm (D). Photo credits. C.J. Moura.
FIGURE 9 in Spionidae (Polychaeta: Canalipalpata: Spionida) from seamounts in the NE Atlantic
FIGURE 9. Dipolydora paracaulleryi sp. nov.: A. Unidentate falcate spine of chaetiger 5 with beak-like curved end bearing crest of bristles. B. Unidentate falcate spine of chaetiger 5 with accessory lateral flange and crest of bristles.—(ZSRO-P2304, paratype), Scale: A, B 10 µm.
FIGURE 8 in Spionidae (Polychaeta: Canalipalpata: Spionida) from seamounts in the NE Atlantic
FIGURE 8. Dipolydora paracaulleryi sp. nov.: A. Anterior end until chaetiger 6, dorsal view; palps lost; arrow indicating right nuchal organ. B. Anterior end, dorsolateral view; palps lost. C. Chaetigers 4 and 5, left side, lateral view. D. Chaetigers (3)4– 8(9), dorsal view; arrow indicating unidentate falcate spines at the left side in chaetiger 5, also note start of branchiae on chaetiger 7.—All from Great Meteor Seamount (A–D ZSRO-P2304, paratype), Scale: A, B, D 100 µm, C 30 µm.
FIGURE 6 in Spionidae (Polychaeta: Canalipalpata: Spionida) from seamounts in the NE Atlantic
FIGURE 6. Aonides selvagensis Brito, Nunez and Riera, 2006: A. Anterior end, dorsal view. B. First chaetiger with transverse ciliary band (tcb) and comma-shaped dorsal ciliated organs (dco), dorsal view. C. Third chaetiger with comma-shaped dco, tcb not clearly detectable, dorsal view. D. Fith chaetiger with tcb and dco, dorsal view. E. Hooded hook with pair of apical teeth above main fang from notopodium of a posterior chaetiger; arrows point at the two apical teeth.—All from Great Meteor Seamount (SMF 23332), Scale: A 50 µm, B–D 10 µm, E 1 µm.
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International Brain Laboratory public data
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OpenNeuro
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