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1,865 results for “northeastern Brazil”
FIGURE 3 in Taxonomic guide and historical review of echinoids (Echinodermata: Echinoidea) from northeastern Brazil
FIGURE 3. Morphological characters of Eucidaris tribuloides (UFPB/ECH.1902). (A) Aboral view; (B) Oral view; (C) Lateral view; (D) Valve of tridentate pedicellariae; (E) Spicules of tube feet; (F) Valve of globiferous pedicellariae; (G) Aboral view of naked test; (H) Oral view of naked test; (I) Tube foot ossicle; (J) Detail of apical system; (K) Detail of peristome; (L) Ambulacral plates; (M) Interambulacral plates.
FIGURE 10 in Taxonomic guide and historical review of echinoids (Echinodermata: Echinoidea) from northeastern Brazil
FIGURE 10. Morphological characters of Clypeaster subdepressus (UFBA00072). (A) Aboral view; (B) Oral view; (C) Lateral view; (D) Aboral view of naked test; (E) Oral view of naked test; (F) Madreporic plate; (G) Peristome and basicoronal plates; (H) Valve of ophicephalous pedicellariae.
FIGURE 6 in Taxonomic guide and historical review of echinoids (Echinodermata: Echinoidea) from northeastern Brazil
FIGURE 6. Morphological characters of Echinometra lucunter (UFPB/ECH.33, UFPB/ECH.1514). (A) Aboral view; (B) Oral view; (C–D) Valve of globiferous pedicellariae; (E) Valve of ophicephalous pedicellariae; (F) Valve of tridentate pedicellariae; (G) Tube foot ossicle; (H) Spicules of the tube feet; (I) Aboral view of naked test; (J) Oral view of naked test; (K) Apical system; (L) Ambulacral plates; (M) Interambulacral plates.
FIGURE 2 in Taxonomic guide and historical review of echinoids (Echinodermata: Echinoidea) from northeastern Brazil
FIGURE 2. Some littoral environments and shallow-water biotopes where echinoids are found in northeastern Brazil. (A) Coral reef; (B) Sandy beach; (C) Rhodolith bed; (D) Macroalgal bank; (E) Fringing reef; (F) Seagrass bed (Halodule wrightii Ascherson); (G) Millepora patch reef.
FIGURE 5 in Taxonomic guide and historical review of echinoids (Echinodermata: Echinoidea) from northeastern Brazil
FIGURE 5. Morphological characters of Plesiodiadema antillarum (UFPB/ECH.2293). (A–G) and Cassidulus infidus (H–I). (A) Aboral view; (B) Oral view, arrow showing buccal plate; (C) Lateral view; (D–G) Illustrations of pedicellariae of P. antillarum from Mortensen (1904); (D) Valve of large form ophicephalous pedicellariae; (E) Valve of small form ophicephalous pedicellariae; (F) Valve of triphyllous pedicellariae; (G) Valve of tridentate pedicellariae; (H) Aboral view; (I) Oral view.
FIGURE 2 in A new species of Ceradocus Costa, 1853 (Senticaudata: Maeridae) from Ceará State, Northeastern Brazil
FIGURE 2. Ceradocus vaderi sp. nov.; Holotype, 6 mm, Adult Male, Ceará Coast, Brazil (1°48'10''S, 39°30'34''W), UFBA 3140. Scale Bar: 1 mm.
FIGURE 7 in A new species of Ceradocus Costa, 1853 (Senticaudata: Maeridae) from Ceará State, Northeastern Brazil
FIGURE 7. Ceradocus vaderi sp. nov.; Allotype, 5 mm, Female, Ceará Coast, Brazil (1°48'10''S, 39°30'34''W), UFBA 3142. Scale Bar: 1.0 mm
FIGURE 6 in A new species of Ceradocus Costa, 1853 (Senticaudata: Maeridae) from Ceará State, Northeastern Brazil
FIGURE 6. Ceradocus vaderi sp. nov.; Holotype, 6 mm, Adult Male, Ceará Coast, Brazil (1°48'10''S, 39°30'34''W), UFBA 3140. Scale Bar: 1.0 mm
FIGURE 4 in A new species of Ceradocus Costa, 1853 (Senticaudata: Maeridae) from Ceará State, Northeastern Brazil
FIGURE 4. Ceradocus vaderi sp. nov.; Holotype, 6 mm, Adult Male, Ceará State, Ceará Coast, Brazil (1°48'10''S, 39°30'34''W), UFBA 3140. Scale Bars: Mp, Mx2, lMd (0.5 mm). Paratype, 5.2 mm, Adult Male, Ceará Coast, Brazil (1°48'10''S, 39°30'34''W), UFBA 3141. Scale Bars: rMd, Mx1, LL (0.5 mm).
FIGURE 3 in A new species of Ceradocus Costa, 1853 (Senticaudata: Maeridae) from Ceará State, Northeastern Brazil
FIGURE 3. Ceradocus vaderi sp. nov.; Holotype, 6 mm, Adult Male, Ceará State, Ceará Coast, Brazil (1°48'10''S, 39°30'34''W), UFBA 3140. Scale Bars: A1–2 (0.5mm); H (0.8 mm); Ep 1–3 (1.0 mm).
FIGURE 11 in A new genus with three new species of free-living marine nematodes of the subfamily Desmodorinae (Nematoda: Desmodoridae), from the continental shelf off northeastern Brazil
FIGURE 11. Spinonema absente gen. et sp. n. Paratype female MNRJ 401. A: overview; C: Ovary and vulva opening; B and D: Anterior region. Paratype juvenile in stage 4. E: Anterior region; F: Tail region; G: Ovary of juvenile.
FIGURE 8 in A new genus with three new species of free-living marine nematodes of the subfamily Desmodorinae (Nematoda: Desmodoridae), from the continental shelf off northeastern Brazil
FIGURE 8. Spinonema spirale gen. et sp. n. Paratype female MNRJ 399. A and B: anterior region; C: overview; D: tail region; E: ovary and vulva opening. Paratype juvenile in stage 1. F: spines on cuticle; G: tail region; H: anterior region.
FIGURE 5 in A new genus with three new species of free-living marine nematodes of the subfamily Desmodorinae (Nematoda: Desmodoridae), from the continental shelf off northeastern Brazil
FIGURE 5. Spinonema cuticulatum gen. et sp. n. Paratype female MNRJ 397. A: overview; B and C: anterior region; D: ovary and vulva opening; G: tail region. E and F: juvenile in stage 1, anterior region.
FIGURE 4 in A new genus with three new species of free-living marine nematodes of the subfamily Desmodorinae (Nematoda: Desmodoridae), from the continental shelf off northeastern Brazil
FIGURE 4. Spinonema cuticulatum gen. et sp. n. A, B and E Holotype MNRJ 396; A: Cephalic region; B: Spicules; E: Lateral alae (ANT anterior part and POS posterior part). C and D Paratype female MNRJ 397; C: Cephalic region; D: Tail region.
FIGURE 3 in A new genus with three new species of free-living marine nematodes of the subfamily Desmodorinae (Nematoda: Desmodoridae), from the continental shelf off northeastern Brazil
FIGURE 3. Spinonema cuticulatum gen. et sp. n. Holotype MNRJ 396. A and C: anterior region; B: overview; E: lateral alae (ANT anterior part and POS posterior part); D and F: copulatory apparatus; G: tail region; H: Inversion of direction of annuli.
FIGURE 2 in A new genus with three new species of free-living marine nematodes of the subfamily Desmodorinae (Nematoda: Desmodoridae), from the continental shelf off northeastern Brazil
FIGURE 2. Lateral alae of the species S. cuticulatum gen. et. sp. n. (A and D); S. spirale gen. et sp. n. (B and E) and S. absente gen. et sp. n. (C and F). Anterior part (ANT) and Posterior part (POS).
FIGURE 10 in A new genus with three new species of free-living marine nematodes of the subfamily Desmodorinae (Nematoda: Desmodoridae), from the continental shelf off northeastern Brazil
FIGURE 10. Spinonema absente gen. et sp. n. A and C, Holotype male MNRJ 400; A: Cephalic region; C: Tail region. B, D, E and F, Paratype female MNRJ 401; B: Tail region; D: Lateral alae (ANT anterior part and POS posterior part); E: Vulva opening; F: Anterior region.
FIGURE 7 in A new genus with three new species of free-living marine nematodes of the subfamily Desmodorinae (Nematoda: Desmodoridae), from the continental shelf off northeastern Brazil
FIGURE 7. Spinonema spirale gen. et sp. n. A and D, Holotype MNRJ 398; A: Cephalic region; D: Spicules. C and E, Paratype female MNRJ 399; C: Cephalic region; E: Tail region. B and F, Paratype juvenile in stage 1; B: Cephalic region; F: Spines on cuticle.
FIGURE 6 in A new genus with three new species of free-living marine nematodes of the subfamily Desmodorinae (Nematoda: Desmodoridae), from the continental shelf off northeastern Brazil
FIGURE 6. Spinonema spirale gen. et sp. n. Holotype MNRJ 398. A: overview; B: tail region; C: anterior region; D: lateral alae (ANT anterior part and POS posterior part); E: spicules; F: anterior region; G: Inversion of direction of annuli.
FIGURE 9 in A new genus with three new species of free-living marine nematodes of the subfamily Desmodorinae (Nematoda: Desmodoridae), from the continental shelf off northeastern Brazil
FIGURE 9. Spinonema absente gen. et sp. n. Holotype MNRJ 400. A: overview; B, C and F: anterior region; D: tail region; E: spicules; H: lateral alae (ANT anterior part and POS posterior part); G: Inversion of direction of annuli.
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.