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971 results for “Southwestern Atlantic”
FIGURE 6 in Two new species of Psolus Oken from Brazil (Holothuroidea: Psolidae), with neotype designation and redescription of Psolus vitoriae Tommasi, 1971, and a key to the southwestern Atlantic and Magellanic species
FIGURE 6. (A–I) Psolus thandari sp. nov., holotype (MZUSP 593). SEM photomicrographs of the ossicles. (A) Scales from the dorsal region of the body (the arrow indicates the dorsal granules in top view). (B) Detail of the dorsal tubercle in lateral view (red arrow). (C) Plate from the dorsal region of the body. (D–E) Plates from the sole. (F) Smooth plate from the sole. (G– H) Knobbed rods from the tube feet. (I) End plate from tube feet. Scale bars: A, 250 µm, B, 100 µm, C–I, 50 µm.
FIGURE 3 in Two new species of Psolus Oken from Brazil (Holothuroidea: Psolidae), with neotype designation and redescription of Psolus vitoriae Tommasi, 1971, and a key to the southwestern Atlantic and Magellanic species
FIGURE 3. (A–F) Psolus tommasi sp. nov., holotype (MZUSP 583). (A) Dorsal view. Note the oral and anal valves (black and white arrows, respectively). (B) Anal and oral regions (above and below left, respectively), and detail of anal valves and oral teeth (black arrows), above and below right. (C) Detail of the lateral scales. (D) Detail of the ambulacral feet in ventral view. Note the inner and outer rows of tube feet (black and white arrows, respectively). (E) Interradial (IR) and radial (R) plates of the calcareous ring. (F) Outline of the interradial (IR) and radial (R) plates of the calcareous ring. Note in E, F that only the radial plate is notched. Scale bars: A, 6 mm; B, 1mm; C, 0. 3 mm; D, 1 mm; E–F 500 µm.
FIGURE 2 in Two new species of Psolus Oken from Brazil (Holothuroidea: Psolidae), with neotype designation and redescription of Psolus vitoriae Tommasi, 1971, and a key to the southwestern Atlantic and Magellanic species
FIGURE 2. (A–F) Psolus vitoriae Tommasi, 1971, neotype (MZUSP 1632). SEM photomicrographs of the ossicles. (A) Dorsal scales showing dorsal granules (white arrow). (B) Detail of the dorsal granules. (C) Curved, smooth, perforated plate from the dorsal region and sole: ventral (upper left) and dorsal view (upper right respectively). (D) Knobbed plate from the dorsal region and sole. (E) Rods from the ambulacral feet. (F) End plate from the ambulacral tube feet. Scale bars: A, 500 µm; B–F 50 µm.
FIGURE 1 in Two new species of Psolus Oken from Brazil (Holothuroidea: Psolidae), with neotype designation and redescription of Psolus vitoriae Tommasi, 1971, and a key to the southwestern Atlantic and Magellanic species
FIGURE 1. (A–F) Psolus vitoriae Tommasi, 1971, neotype (MZUSP 1632). (A) Dorsal view. Note the granules on the dorsal scales and oral and anal valves (red, white and grey arrows, respectively). (B) Oral and anal regions (above and below left, respectively) and detail of oral and anal valves (above and below right, respectively). (C) Detail of the lateral scales (white arrow). (D) Detail of the ambulacral feet and Polian vesicles in ventral view (red and white arrows, respectively). (E) Interradial (IR) and radial (R) plates of the of calcareous ring in dorsal view. (F) Outline of the interradial (IR) and radial (R) plates of the calcareous ring in dorsal view. Note in E, F the radial and interradial plates notched. Scale bars: A, 4 mm; B, 500 µm; C, 0,5 mm; D–F 500 µm.
FIGURE 4 in Two new species of Psolus Oken from Brazil (Holothuroidea: Psolidae), with neotype designation and redescription of Psolus vitoriae Tommasi, 1971, and a key to the southwestern Atlantic and Magellanic species
FIGURE 4. Psolus tommasi sp. nov., holotype (MZUSP 583). SEM photomicrographs of the ossicles. (A) Dorsal scales. (B) spheroid bodies from dorsal/lateral scales. (C) Knobbed, single layered plate from sole. (D) Smooth, perforated plate from sole. (E) Rods from tube feet. Scale bars: A, 500 µm; B, 50 µm; C, 70 µm; (D) 40 µm and (E) 100 µm.
FIGURE 8 in Taxonomy of the genus Thyonella (Holothuroidea: Dendrochirotida), with mention of the first record of T. sabanillaensis from the southwestern Atlantic Ocean
FIGURE 8. Plates and buttons from body wall. (A) plate under the light microscope (resembles a cup) and (B) under SEM; (C) buttons under light microscope (resembles a rosette) and (D) under SEM.
FIGURE 6 in Taxonomy of the genus Thyonella (Holothuroidea: Dendrochirotida), with mention of the first record of T. sabanillaensis from the southwestern Atlantic Ocean
FIGURE 6. Thyonella gemmata (Pourtalès, 1851) (CASIZ 104737). SEM images of the ossicles: (A–C) cups from body wall in lateral and ventral views, respectively, (D–E) four-holed button from body wall in ventral and lateral view respectively, (F) perforated plate from introvert, (G) rosette from introvert, (H–I) rods from tentacles. Scale bars: A–C, 20 µm, D–F, 50 µm, G, 20 µm, H, 100 µm, I, 40 µm.
FIGURE 5 in Taxonomy of the genus Thyonella (Holothuroidea: Dendrochirotida), with mention of the first record of T. sabanillaensis from the southwestern Atlantic Ocean
FIGURE 5. Thyonella gemmata (Pourtalès, 1851) (CASIZ 104737). (A) Specimen preserved in ethanol) and (B) calcareous ring. R, radial plate; IR, interradial plate. Scale bars: A, 10 mm; B, 5mm.
FIGURE 7 in Taxonomy of the genus Thyonella (Holothuroidea: Dendrochirotida), with mention of the first record of T. sabanillaensis from the southwestern Atlantic Ocean
FIGURE 7. Cups from body wall. (A) image under light microscope; (B) cups from T. sabanillaensis extracted from Deichmann, 1930 and (C) under SEM (present paper); (D) shallow cup from T. pervicax and (E) detail of knobs on the inner surface (white arrow).
FIGURE 4 in Taxonomy of the genus Thyonella (Holothuroidea: Dendrochirotida), with mention of the first record of T. sabanillaensis from the southwestern Atlantic Ocean
FIGURE 4. Thyonella sabanillaensis (Deichmann, 1930) (EH-IBZ/UFRJ 144). SEM images of the ossicles: (A) four-holed button from body wall; (B) smooth plate from body wall; (C–D) knobbed plate from body wall; cup in dorsal (E) and ventral (F) view; (G) button from introvert, (H–I) rods from tentacles and (J) rods from tube feet; (K) triangular plate from body papillae; (L) anal plate. Scale bars: A, 50 µm; B, 100 µm; C, 40 µm; D, 100 µm; E–G, 20 µm; H–L, 100 µm
FIGURE 3 in Taxonomy of the genus Thyonella (Holothuroidea: Dendrochirotida), with mention of the first record of T. sabanillaensis from the southwestern Atlantic Ocean
FIGURE 3. Thyonella sabanillaensis (Deichmann, 1930) (EH-IBZ/UFRJ 144). (A) Specimen preserved in ethanol; (B) madreporite (black arrow); (C) calcareous ring; (D) specimen preserved in ethanol (USNM 22336); (E) specimen preserved in ethanol (MNHN 3329) and (F) calcareous ring from (MNHN 3329). R, radial plate; IR, interradial plate. Scale bars: A, 40 mm; C, 10 µm; D 50 mm; E, 40 mm; F, 10 mm.
FIGURE 1 in Taxonomy of the genus Thyonella (Holothuroidea: Dendrochirotida), with mention of the first record of T. sabanillaensis from the southwestern Atlantic Ocean
FIGURE 1. Thyonella pervicax (Théel, 1886) (MZUSP 1350). (A) Specimen preserved in ethanol above (MZUSP 1350) and below (USNM E33170), (B) anal papillae (black arrow), (C) Polian vesicle, stone canal and madreporite (red, black and white arrows, respectively) and (D) calcareous ring. R, radial plate; IR, interradial plate. Scale bars: A, 30 mm; B, 400 µm, D, 200 µm.
FIGURE 2 in Taxonomy of the genus Thyonella (Holothuroidea: Dendrochirotida), with mention of the first record of T. sabanillaensis from the southwestern Atlantic Ocean
FIGURE 2. Thyonella pervicax (Théel, 1886) (MZUSP 1350). SEM images of the ossicles: (A) four-holed button from body wall, (B) cups in lateral and (C) ventral view, (D) knobbed plate from body wall, (E) button from introvert, (F–H) rods from tentacles and (I) supporting rods from tube feet. Scale bars: A–C, 50 µm; D, 200 µm; E, 30 µm; F–H, 200 µm; I, 100 µm
FIGURE 3 in Morphological and molecular analyses confirm the occurrence of two sympatric Lysmata shrimp (Crustacea, Decapoda) in the southwestern Atlantic
FIGURE 3. Lysmata vittata (Stimpson, 1860). (A) frontal region, dorsal; (B) frontal region, lateral; (C) left antennule; (D) right second pereiopod; (E) right fifth pereiopod; (F) right dactylus of fifth pereiopod. (A–F) Hermaphrodite shrimp 5.3 mm CL (MZUSP 37514). Scale bars: A–B, 1.0 mm; C–F, 0.5 mm.
FIGURE 2 in Morphological and molecular analyses confirm the occurrence of two sympatric Lysmata shrimp (Crustacea, Decapoda) in the southwestern Atlantic
FIGURE 2. Lysmata lipkei Okuno & Fiedler, 2010. (A) frontal region, dorsal; (B) frontal region, lateral; (C) left antennule; (D) left second pereiopod; (E) right second pereiopod; (F) right fourth pereiopod; (G) right dactylus of the fourth pereiopod. (A–C, F–G) Hermaphrodite shrimp 3.7 mm CL (MZUSP 37416); (D–E) Hermaphrodite shrimp 4.0 mm CL (MZUSP 37513). Scale bars: A–B, 1.0 mm; C–G, 0.5 mm.
FIGURE 1 in Morphological and molecular analyses confirm the occurrence of two sympatric Lysmata shrimp (Crustacea, Decapoda) in the southwestern Atlantic
FIGURE 1. Lateral view of (A) Lysmata lipkei Okuno & Fiedler, 2010 and (B) Lysmata vittata (Stimpson, 1860), from the Vaza-Barris estuary, Sergipe, Brazil. Scale bar: 5.0 mm. Photographs by DFR Alves.
FIGURE 10. Petta alissoni n in Pectinariidae (Annelida, Terebelliformia) from off southeastern Brazil, southwestern Atlantic
FIGURE 10. Petta alissoni n. sp. (Paratype 2, ZUEC Pol 21343), SEM, (A). Entire worm, right ventro-lateral view; (B). Close up of the anterior end, ventral view; (C). Close up of the cirri of the ventral lobe of segment 2; (D). Notochaetae; (E). Branchiae; (F). Scaphe, dorsal view, arrows point to scaphal hooks. Numbers refer to segments; bt = buccal tentacles; cr = cirri of ventral lobe of segment 2; cv = cephalic veil; tc1 and tc2 = tentacular cirri of segments 1 and 2, respectively.
FIGURE 9. Petta alissoni n in Pectinariidae (Annelida, Terebelliformia) from off southeastern Brazil, southwestern Atlantic
FIGURE 9. Petta alissoni n. sp. (Paratype 7, ZUEC Pol 7890), (A). Anterior end, ventral view; (B, C). Close ups of the anterior end, ventral and right lateral views, respectively; (D, E) Scaphe, ventral view, under progressively higher magnifications.
FIGURE 8. Petta alissoni n in Pectinariidae (Annelida, Terebelliformia) from off southeastern Brazil, southwestern Atlantic
FIGURE 8. Petta alissoni n. sp. (Holotype, ZUEC Pol 7891), (A–C). Anterior end, ventral view, under progressively higher magnifications; (D). Posterior end, ventral view; (E–G). Close ups of the anterior end, right lateral, dorsal and left lateral views, respectively, arrows point to branchiae; (H–J). scaphe, left lateral, dorsal and ventral views, respectively. Numbers refer to segments; bt = buccal tentacles; cr = cirri of ventral lobe of segment 2; cv = cephalic veil; tc1 and tc2 = tentacular cirri of segments 1 and 2, respectively.
FIGURE 7. Pectinaria nonatoi n in Pectinariidae (Annelida, Terebelliformia) from off southeastern Brazil, southwestern Atlantic
FIGURE 7. Pectinaria nonatoi n. sp. (Paratype 10, ZUEC Pol 21340), SEM, (A–D). Uncini; (E). Close up of anterior pegs of uncini; (F–H). Scaphal hooks under different angles.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.