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971 results for “Southwestern Atlantic”
FIGURE 6 in Shallow-water caridean shrimps from southern Bahia, Brazil, including the first record of Synalpheus ul (Ríos & Duffy, 2007) (Alpheidae) in the southwestern Atlantic Ocean
FIGURE 6. Synalpheus ul (Ríos & Duffy, 2007), male (CL=4.7 mm) (MZUESC 709), Camamu Bay, state of Bahia, Brazil. (A) head and cephalic appendages, dorsal view; (B) head and cephalic appendages, lateral view; (C) abdomen, lateral view; (D) telson, dorsal view; (E) left exopodite of the uropod, dorsal view; (F) right exopodite of the uropod, dorsal view; (G) left major chela, lateral view. Scale bars: A–C = 1 mm; D, E = 0.5 mm; F = 2 mm.
FIGURE 7 in Shallow-water caridean shrimps from southern Bahia, Brazil, including the first record of Synalpheus ul (Ríos & Duffy, 2007) (Alpheidae) in the southwestern Atlantic Ocean
FIGURE 7. Synalpheus ul (Ríos & Duffy, 2007), male (CL=4.7 mm) (MZUESC 709), Camamu Bay, state of Bahia, Brazil. (A) left major chela, distal portion, lateral view; (B) left major chela, distal portion, mesial view; (C) right minor chela, lateral view; (D) right minor chela, distal portion, mesial view; (E) right minor chela, dorsal view; (F) pollex of left major chela, ventral view; (G) right basicerite, dorsal view. Scale bars: A– C, E = 1 mm; D, F, G = 0.5 mm.
FIGURE 4 in Shallow-water caridean shrimps from southern Bahia, Brazil, including the first record of Synalpheus ul (Ríos & Duffy, 2007) (Alpheidae) in the southwestern Atlantic Ocean
FIGURE 4. Leptalpheus axianassae Dworschak & Coelho, 1999, male (CL=5.9 mm) (MZUESC 1214), Contas River, Itacaré, state of Bahia, Brazil. (A) head and cephalic appendages, dorsal view; (B) head and cephalic appendages, lateral view; (C) right major chela, ventrolateral view; (D) right major chela, distal portion, mesial view; (E) left minor chela, dorsal view. Scale bars: A, B, E, F = 1 mm; C, D = 0.5 mm.
FIGURE 2. A–D in A new species of Robertsella Guinot, 1969 (Crustacea: Brachyura: Panopeidae) from the southwestern Atlantic
FIGURE 2. A–D, Robertsella meridionalis sp. n., male holotype cl 22 mm, cw 30 mm (MZUSP 21772). E–H, Robertsella mystica Guinot, 1969, male cl 18 mm, cw 23 mm (USNM 170418). A, E, ventral view of cephalothorax. B, F, male sternoabdominal cavity. C, G, lateral view of the chela of the right cheliped. D, H, second left pereiopod. Note lateral expansion of the third abdominal somite in contact with thoracic sternite 7 in A and far from sternite 7 in E (arrows). St7, thoracic sternite 7. Scale bars 5 mm.
FIGURE 1. A–D in A new species of Robertsella Guinot, 1969 (Crustacea: Brachyura: Panopeidae) from the southwestern Atlantic
FIGURE 1. A–D, Robertsella meridionalis sp. n., male holotype cl 22 mm, cw 30 mm (MZUSP 21772). E–H, Robertsella mystica Guinot, 1969, male cl 18 mm, cw 23 mm (USNM 170418). A, E, frontal view of cephalothorax. B, F, dorsal view of carapace. C, G, anteroventral view of cephalothorax. D, H, posteroventral view of cephalothorax. Note abdominal suture 5/6 located well above thoracic sternal suture 6/7 in D and sutures aligned to each other in H (arrows). Also note cheliped ischial ridge coarsely tuberculate in C (arrow). Ab3, third abdominal somite. CxP5, coxa of fifth pereiopod. St6-8, thoracic sternites 6 to 8. Scale bars 5 mm.
FIGURE 3. Micromaldane shackletoni n in A new species of Micromaldane (Polychaeta: Maldanidae) from the Falkland Islands, southwestern Atlantic, with notes on reproduction
FIGURE 3. Micromaldane shackletoni n. sp. A. NMW.Z.2011.039.0025. Egg with sperm 'packet' adjacent from inside adult specimen; B. NMW.Z.2011.039.0024. Early undeveloped larva in process of extrusion from adult body, other embryos visible still inside body cavity (indicated by arrows); C. NMW.Z.2011.039.0080. External, undeveloped larvae between body wall and outer tube; D. NMW.Z.2011.039.0081. 14-chaetiger larva still developing inside tube (larva eyespot indicated by left arrow, adult by right arrow); E. NMW.Z.2011.039.0084 (E–G). Early stage larva, no cilia or differentiation visible; F. 7–chaetiger larva: buccal opening, segmentation and notochaetae present, no cilia, uncini or anal development visible at this stage; G. 14– chaetiger larva, uncini present on all chaetigers, anus visible but anal plaque still undeveloped.
FIGURE 2 in A new species of Micromaldane (Polychaeta: Maldanidae) from the Falkland Islands, southwestern Atlantic, with notes on reproduction
FIGURE 2. Comparison of average number of uncini per chaetiger for each size group. Number of specimens used for each size group is given in brackets after the total chaetiger number.
FIGURE 1. Micromaldane shackletoni n in A new species of Micromaldane (Polychaeta: Maldanidae) from the Falkland Islands, southwestern Atlantic, with notes on reproduction
FIGURE 1. Micromaldane shackletoni n. sp. A. NMW.Z.2011.039.0001. Holotype, dorsal view; B. NMW.Z.2011.039.0082 (B&C). Dorsal view of prostomium showing ciliated nuchal organs; C. Lancet chaetae, chaetiger 4 (capillary chaeta/e broken); D. NMW.Z.2011.039.0025 (D&E). Single lancet chaeta with 2 capillary chaetae, chaetiger 6; E. Uncinus, chaetiger 8; F. NMW.Z.2011.039.0083. Anal plaque, oblique lateral (left) and posterior (right) views.
FIGURE 2 in A new Munidopsis species (Galatheoidea, Munidopsidae) from the Southwestern Atlantic
FIGURE 2. Munidopsis trindadensis sp. nov., holotype male, 6.6 mm, MNRJ 16496. A, left antennules and antenna, lateral view; B, left third maxilliped, lateral view; C, right cheliped, dorsal view; D, right pereopod 2, dorsal view; E, right pereopod 3, dorsal view; F, right pereopod 4, dorsal view.
FIGURE 1 in A new Munidopsis species (Galatheoidea, Munidopsidae) from the Southwestern Atlantic
FIGURE 1. Munidopsis trindadensis sp. nov., holotype male, 6.6 mm, MNRJ 16496. A, dorsal view; B, lateral view; rostrum, antennal and antennular peduncles, lateral view; C, sternum; D, telson.
FIGURE 3 in Potamalpheops tyrymembe sp. n.: the first southwestern Atlantic species of the shrimp genus Potamalpheops Powell, 1979 (Caridea: Alpheidae)
FIGURE 3. Potamalpheops tyrymembe sp. n. from Bahia, Brazil: A, type locality, a mangrove between the Baiano and Serra rivers near Povoado de Tremembé, Maraú, Bahia, Brazil; B, entrance of the burrow of Ucides cordatus (L.), from which some specimens were collected; C, freshly collected shrimp (ovigerous female), lateral view; D, same, lateral view of anterior region and cephalothoracic appendages; E, same, dorsal view; F, same, posterior abdominal segments, uropods and telson, dorsal view. Scale bars = 1 mm.
FIGURE 2 in Potamalpheops tyrymembe sp. n.: the first southwestern Atlantic species of the shrimp genus Potamalpheops Powell, 1979 (Caridea: Alpheidae)
FIGURE 2. Potamalpheops tyrymembe sp. n., from Bahia, Brazil: A, B, F–I, holotype, male (MZUSP 29585); C, paratype, female (UESC 1536); D, E, J, paratype, male (UESC 1536, dissected). A, third maxilliped, lateral view; B, cheliped = first pereiopod, lateral view; C, same, lateral view; D, same, mesial view; E, same, detail of chela, lateral view; F, second pereiopod, lateral view; G, third pereiopod, lateral view; H, fourth pereiopod, lateral view; I, fifth pereiopod, lateral view; J, male second pleopod. Scale bars: A–C, F–I = 0.5 mm; D, E, J = 0.2 mm.
FIGURE 1 in Potamalpheops tyrymembe sp. n.: the first southwestern Atlantic species of the shrimp genus Potamalpheops Powell, 1979 (Caridea: Alpheidae)
FIGURE 1. Potamalpheops tyrymembe sp. n., from Bahia, Brazil: A–C, H, I, holotype, male (MZUSP 29585); D–G, J, paratype, male (UESC 1536, dissected). A, frontal region and cephalic appendages, dorsal view; B, same, lateral view; C, detail of frontal region and proximal part of cephalic appendages, lateral view; D, cornea, mesial view; E, accessory ramus of lateral antennular flagellum, dorsal view; F, tooth on ventromesial carina of first segment of antennular peduncle, lateral view; G, incisor process of mandible, lateral view; H, uropods and telson, dorsal view (setae partially omitted); I, last abdominal somites, telson and uropods, lateral view; J, distal part of uropodal exopod, dorsal view (setae omitted). Scale bars: B, I = 1 mm; A, C, H = 0.5 mm, E, J = 0.2 mm; D, G = 0.1 mm; F = 0.05 mm.
FIGURE 2 in Cheirimedon foscae sp. nov. (Amphipoda: Lysianassidae: Tryphosinae) from the deep sea Campos Basin, Southwestern Atlantic Ocean
FIGURE 2. Cheirimedon foscae sp. nov., holotype, female, 5.45 mm, Campos Basin, RJ, Brazil, MNRJ 21062. Scale bar: 0.1mm.
FIGURE 1 in Cheirimedon foscae sp. nov. (Amphipoda: Lysianassidae: Tryphosinae) from the deep sea Campos Basin, Southwestern Atlantic Ocean
FIGURE 1. Cheirimedon foscae sp. nov., holotype, female, 5.45 mm, Campos Basin, RJ, Brazil, MNRJ 21062. Scale bar: 1.0mm.
FIGURE 4 in Cheirimedon foscae sp. nov. (Amphipoda: Lysianassidae: Tryphosinae) from the deep sea Campos Basin, Southwestern Atlantic Ocean
FIGURE 4. Cheirimedon foscae sp. nov. holotype, female, 5.45 mm, Campos Basin, RJ, Brazil, MNRJ 21062. Scale bar: 0.5mm
FIGURE 3 in Cheirimedon foscae sp. nov. (Amphipoda: Lysianassidae: Tryphosinae) from the deep sea Campos Basin, Southwestern Atlantic Ocean
FIGURE 3. Cheirimedon foscae sp. nov. holotype, female, 5.45 mm, Campos Basin, RJ, Brazil, MNRJ 21062. Scale bar: 0.5mm.
FIGURE 6 in A comparative study of populations of Ectopleura crocea and Ectopleura ralphi (Hydrozoa, Tubulariidae) from the Southwestern Atlantic Ocean
FIGURE 6. Principal component analyses (PCA) for cnidome (A) and morphology (B). Note that the minimum and maximum cases in A (arrows) do not match with minimum and maximum cases in B. Most similar cases marked by dashed circles.
FIGURE 7. Haplotype parsimony networks for ITS1 in A comparative study of populations of Ectopleura crocea and Ectopleura ralphi (Hydrozoa, Tubulariidae) from the Southwestern Atlantic Ocean
FIGURE 7. Haplotype parsimony networks for ITS1+5.8S (A) and COI (B) for the different populations of Ectopleura crocea and Ectopleura ralphi of the Southwestern Atlantic Ocean. Black circles for the Argentine haplotypes, white ones for Brazilian localities; the sizes of the circles are proportional to the number of localities sharing the haplotype; small black circles represent hypothetical or unsampled haplotypes. Lines connecting circles represent one substitution step. Note that A BO/MP samples differ from JU/PA/BO only by an indel of three base pairs (AAT/– – –). Locality codes are represented inside the circles as MA: Macaé, JU: Juréia, PA: Paraná, BO: Bombas, MP: Mar del Plata.
FIGURE 2 in A comparative study of populations of Ectopleura crocea and Ectopleura ralphi (Hydrozoa, Tubulariidae) from the Southwestern Atlantic Ocean
FIGURE 2. Sampled localities of the specimens used in morphological and molecular analyses. White circles are localities whose samples were used in morphological analyses; black circles for both morphological and molecular analyses; grey circle for molecular analyses only. RJ—State of Rio de Janeiro; SP—State of São Paulo, PR—State of Paraná, SC—State of Santa Catarina.
ScienceDex guides
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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)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
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.