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1,865 results for “northeastern Brazil”
FIGURES 1–11 in A new species of Calliostoma (Vetigastropoda: Calliostomatidae) from Canopus Bank, off northeastern Brazil
FIGURES 1–11. Calliostoma melliferum shells, operculum and jaw; 1. Holotype MZSP 53718, apertural view (H = 7.42 mm); 2. same, apical view (D = 6.13 mm); 3. same, abapertural view; 4. same, umbilical view. 5. Paratype MZSP 67310, apertural view (H = 9.58 mm, D = 8.13 mm). 6–8. Paratype MZSP 55522 shell with soft parts; 6. whole specimen, left lateral view (H = 5.0 mm); 7. same, apical view; 8. same, apertural view (D = 4.6 mm); 9. Holotype, protoconch detail (scale = 0.2 mm). 10. Paratype MZSP 55522 operculum; 11. same, jaw plates, ventral view (scales = 0.5 mm).
FIGURES 12–20 in A new species of Calliostoma (Vetigastropoda: Calliostomatidae) from Canopus Bank, off northeastern Brazil
FIGURES 12–20. Anatomy of Calliostoma melliferum; 12. head-foot, right view, anterior portion of mantle also shown; 13. same, left view; 14. head and haemocoel, ventral view, foot and columellar muscle removed; 15. foregut and nerve ring, right view; 16. pallial cavity and visceral mass, ventral view, layer of digestive gland ventral to stomach removed; 17. foregut, ventral view, longitudinally opened, odontophore deflected to right; 18. nerve ring, ventral view; 19. odontophore, dorsal view, first layer of membranes and muscles removed, both cartilages slightly deflected; 20. same, ventral view, anterior region of m4 and br removed, right-anterior portion of m11 showing its topology (scales = 1 mm).
FIGURES 30–33 in A new species of Calliostoma (Vetigastropoda: Calliostomatidae) from Canopus Bank, off northeastern Brazil
FIGURES 30–33. Calliostoma melliferum micro-computed tomography of Paratype MZSP 70308; 30. 3D reconstruction of shell, apertural view (H = 4.5 mm, D = 4.1 mm; voxel siZe = 8.8 µm); 31. same, longitudinal section showing the columellar axis, slightly lateral view; 32. same, longitudinal section showing the columellar axis, apertural view; 33. same, umbilical view.
FIGURE 4 in New species of Simothraulopsis Demoulin, 1966 (Ephemeroptera: Leptophlebiidae) from Northeastern Region of Brazil
FIGURE 4. Male imagos, genitalia, ventral view. A–B) Simothraulopsis sinuosus sp. nov. A, general aspect; B, penis, detail (ventral view). C–D) Simothraulopsis gracilianus sp. nov.: C, general view; D, penis, detail.
FIGURE 1 in New species of Simothraulopsis Demoulin, 1966 (Ephemeroptera: Leptophlebiidae) from Northeastern Region of Brazil
FIGURE 1. Distribution of the two new species of Simothraulopsis and general view of sampled sites. A) Map of South America showing the distribution of the two new species: red square Simothraulopsis gracilianus sp. nov. and black circle Simothraulopsis sinuosus sp. nov.; B) Cachoeira do Urubu waterfall, Piauí State; C) Bica da Juliana, Alagoas State.
FIGURE 3. Male imagos, wings. A–C in New species of Simothraulopsis Demoulin, 1966 (Ephemeroptera: Leptophlebiidae) from Northeastern Region of Brazil
FIGURE 3. Male imagos, wings. A–C) Simothraulopsis gracilianus sp. nov. A, forewing; B, hind wing; C, enlarged hind wing. D–F) Simothraulopsis sinuosus sp. nov.: D, forewing; E, hind wing; F, enlarged hind wing.
FIGURE 2. Male imagos, general view. A–B in New species of Simothraulopsis Demoulin, 1966 (Ephemeroptera: Leptophlebiidae) from Northeastern Region of Brazil
FIGURE 2. Male imagos, general view. A–B) Simothraulopsis sinuosus sp. nov.: A, lateral view; B, abdominal color pattern (dorsal view). C–D) Simothraulopsis gracilianus sp. nov.: C, lateral view; D, dorsal view.
FIGURES 2–7 in New species of Thraulodes Ulmer, 1920 (Ephemeroptera: Leptophlebiidae: Atalophlebiinae) from Northeastern Brazil
FIGURES 2–7. Thraulodes catoles sp. nov., male imago: 2, body lateral view. 3, foreleg. 4, thoracic sternae. 5–7, abdominal spot intraspecific pattern variation.
FIGURES 8–12 in New species of Thraulodes Ulmer, 1920 (Ephemeroptera: Leptophlebiidae: Atalophlebiinae) from Northeastern Brazil
FIGURES 8–12. Thraulodes catoles sp. nov., male imago: 8, forewing. 9, hind wing.10, styliger plate (ventral view). 11, penes in detail (ventral view). 12, asymmetric variations of lateral pouch in penes indicated by the black arrows (ventral view).
FIGURE 1 in New species of Thraulodes Ulmer, 1920 (Ephemeroptera: Leptophlebiidae: Atalophlebiinae) from Northeastern Brazil
FIGURE 1. The map of South America (part, square above left). Map of Bahia state in northeastern Brazil highlighting the collection sites and surround municipalities: (A) Abaíra, Catolés, Caatinga biome, and (B) Igrapiúna, Bahia State, Atlantic rainforest biome.
FIGURES 13–19 in New species of Thraulodes Ulmer, 1920 (Ephemeroptera: Leptophlebiidae: Atalophlebiinae) from Northeastern Brazil
FIGURES 13–19. Thraulodes calori sp. nov., imago: 13, body male lateral view. 14, female lateral view. 15, male foreleg. 16, male thoracic pro–meso sterna. 17–19 male abdominal spot intraspecific pattern variation (dorsal view).
FIGURES 20–23 in New species of Thraulodes Ulmer, 1920 (Ephemeroptera: Leptophlebiidae: Atalophlebiinae) from Northeastern Brazil
FIGURES 20–23. Thraulodes calori sp. nov., male imago: 20, forewing. 21, hind wing. 22, styliger plate. (ventral view) 23, penes in detail from SEM photograph (ventral view).
FIGURE 8 in Two new sponge-associated Branchiosyllis (Annelida: Syllidae: Syllinae) from Northeastern Brazil
FIGURE 8. Branchiosyllis gonzaguinhai sp. nov. A, anterior body, dorsal view; B, anterior body, ventral view; C, close up view of prostomium and chaetigers 1–2, dorsal view; D, branchiae, mid-posterior body parapodia; E, F, branchiae, anterior and midbody parapodia, respectively; G, ungulae, anterior parapodia; H, ungulae, mid-posterior parapodia, white arrow indicating protruding acicula. Scale bars: A, 250 µm; B, 100 µm; C and E, 50 µm; D, 25 µm; F and H, 20 µm; G, 10 µm.
FIGURE 7 in Two new sponge-associated Branchiosyllis (Annelida: Syllidae: Syllinae) from Northeastern Brazil
FIGURE 7. Branchiosyllis gonzaguinhai sp. nov. A, anterior body, dorsal view; B, pharynx and proventricle, dorsal view; C, D, E, ungulae, anterior, mid- and posterior body, respectively; F, G, H, aciculae, anterior, mid- and posterior body, respectively. Scale bars: A and B, 0.40 mm; C–H, 20 µm.
FIGURE 4 in Two new sponge-associated Branchiosyllis (Annelida: Syllidae: Syllinae) from Northeastern Brazil
FIGURE 4. Branchiosyllis belchiori sp. nov. A, dorsal, and B, dorso-lateral view of branchiae. dc—dorsal cirrus; pd— parapodium; brc—branchia. Scale bar: A, B, 30 µm.
FIGURE 2 in Two new sponge-associated Branchiosyllis (Annelida: Syllidae: Syllinae) from Northeastern Brazil
FIGURE 2. Branchiosyllis belchiori sp. nov. A, complete specimen, dorsal view; B, anterior body, dorsal view; C, anterior body, ventral view; D, acephalous stolon, dorsal view; E, juvenile specimen, dorsal view. Scale bars: A, B, D, 0.5 mm; C and E, 0.2 mm.
FIGURE 1. Map showing collection localities. A in Two new sponge-associated Branchiosyllis (Annelida: Syllidae: Syllinae) from Northeastern Brazil
FIGURE 1. Map showing collection localities. A, the two oceanic islands and a coastal region in Northeastern Brazil; B, Fernando de Noronha Island, 1: Buraco da Raquel; C, Rocas Atoll, 2 and 3: Canal da Barretinha and Piscina das Tartarugas, respectively; D, Todos os Santos Bay, 4: Ilha dos Frades. Colors of numbers and circles are just for a better view.
FIGURE 6 in Two new sponge-associated Branchiosyllis (Annelida: Syllidae: Syllinae) from Northeastern Brazil
FIGURE 6. Branchiosyllis gonzaguinhai sp. nov. A, anterior body, dorsal view; B, anterior body, ventral view; C, parapodial lobes, ventral view; D, partially everted pharynx, fronto-ventral view. Scales bars: A, 0.30 mm; B and D, 0,11 mm; C, 81µm.
FIGURE 3 in Two new sponge-associated Branchiosyllis (Annelida: Syllidae: Syllinae) from Northeastern Brazil
FIGURE 3. Branchiosyllis belchiori sp. nov. A, anterior body, dorsal view; B, anterior parapodium, dorsal view; C, midbody parapodium, lateral view; D, E, F, ungulae, anterior, mid-, and posterior body, respectively; G, H, I, aciculae, anterior, mid-, and posterior body, respectively. Scale bars: A, 0.28 mm; B and C, 28 µm; D–I, 10 µm.
FIGURE 5 in Two new sponge-associated Branchiosyllis (Annelida: Syllidae: Syllinae) from Northeastern Brazil
FIGURE 5. Branchiosyllis belchiori sp. nov. A, midbody parapodia, dorsal view; B, C, ungulae anterior body; D, E, ungulae mid- and posterior body, respectively. Scale bars: A, 50 µm; B, 10 µm; C, 2 µm; D, 10 µm; E, 5 µm.
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.