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421 results for “Pará”
FIGURES 1–9. Rhinoxenus cachorra n in Monogenoids (Polyonchoinea, Dactylogyridae) from Hydrolycus armatus (Characiformes, Cynodontidae) with the description of a new species of Rhinoxenus and the proposal of a new genus from the Xingu River, Pará, Brazil
FIGURES 1–9. Rhinoxenus cachorra n. sp. 1. Holotype whole-mount (ventral) (composite). 2. Copulatory complex. 3. Hook pair 2. 4. Hook pair 1. 5. Hook pair 3–7. 6. Ventral bar (view, ventral). 7. Ventral bar (view, dorsal). 8. Ventral anchor. 9. Dorsal anchor.
FIGURES 18–26. Mymarothecioides altamirensis n in Monogenoids (Polyonchoinea, Dactylogyridae) from Hydrolycus armatus (Characiformes, Cynodontidae) with the description of a new species of Rhinoxenus and the proposal of a new genus from the Xingu River, Pará, Brazil
FIGURES 18–26. Mymarothecioides altamirensis n. sp. 18. Composite whole-mount (ventral). 19. Copulatory complex. 20. Hook pair 1–4. 21. Hook pair 5. 22. Hook pair 6–7. 23. Ventral bar. 24. Dorsal bar. 25. Ventral anchor. 26. Dorsal anchor.
FIGURE 4 in A New Species Of Callicebus Thomas, 1903 (Primates, Pitheciidae) From The States Of Mato Grosso And Pará, Brazil
FIGURE 4: Ventral view of the skin of C. vieirai (MZUSP 34663; holotype) (left) and a specimen of C. moloch (MZUSP 10152) from Itapoama, Pará, Brazil. Photographs by Mario de Vivo. Tail length modified due to process of preparation of skin.
FIGURE 2 in A New Species Of Callicebus Thomas, 1903 (Primates, Pitheciidae) From The States Of Mato Grosso And Pará, Brazil
FIGURE 2: Side view (above) and front view (bottom) of the head of the holotype of Callicebus vieirai (MZUSP 34663), showing the remarkable white circle around the face. Photographs by Fernando M. d'Horta.
FIGURE 1 in A New Species Of Callicebus Thomas, 1903 (Primates, Pitheciidae) From The States Of Mato Grosso And Pará, Brazil
FIGURE 1: Distribution of the specimens of Callicebus studied. Numbered points correspond to collection localities listed in the gazetteer (see Appendix 2).
FIGURE 6 in A New Species Of Callicebus Thomas, 1903 (Primates, Pitheciidae) From The States Of Mato Grosso And Pará, Brazil
FIGURE 6: Detail view of the head of C. vieirai paratypes (from Rio Iriri, Pará, Brazil), showing the variation color pattern in forehead: MZUSP 25441 (female) (left), MZUSP 25442 (male) (center) and MZUSP 25443 (male) (right). Photographs by Luciano Moreira Lima.
FIGURE 7 in A New Species Of Callicebus Thomas, 1903 (Primates, Pitheciidae) From The States Of Mato Grosso And Pará, Brazil
FIGURE 7: Specimens of C. vieirai kept in the Parque Zoológico Municipal Quinzinho de Barros, Sorocaba, Brazil. Photographs by Juliana Gualda-Barros.
FIGURE 2 in A new species of Anthurium (Araceae) from the canga vegetation of the Serra dos Carajás, Pará, Brazil
FIGURE 2. Occurrence of Anthurium pedrovianae Nadruz & Camelo in the Floresta Nacional dos Carajás, PA, Brazil. Source: IBGE 2012.
FIGURE 1. Anthurium pedrovianae Nadruz & Camelo. A. Habit showing a in A new species of Anthurium (Araceae) from the canga vegetation of the Serra dos Carajás, Pará, Brazil
FIGURE 1. Anthurium pedrovianae Nadruz & Camelo. A. Habit showing a detail the ferric soil; detail of inflorescence at anthesis. B. Erect plant with two inflorescences. C. Elliptical leaf blade with straight margins. D. Detail of midrib and primary lateral veins prominent at the abaxial surface. E. Inflorescence erect, green peduncle, spate greenish to yellowish, patent, long stipe greenish with a dark-purple detail at the junction at the spathe, spadix conical, purple with white pollen grains. F. Detail of spadix in anthesis. G. Spadix at pos-anthesis grey, immature berries greenish, mature berries purple. H. Berries entire purple and tepalar filaments are absent. Photos A–B; F—André Cardoso; C–E, H—Luiz Otávio Adão; G—Mel C. Camelo.
FIGURE 2 in Comolia paraensis (Melastomataceae), a striking new species of Marcetieae endemic to Pará, Brazil
FIGURE 2. Comolia paraensis in the field. A–B. Fertile branches. B'. Flower detail. C–D. Succulent proximal branches. E. Flower after opening. F–G. Flower in anthesis with preyed stamens. H. Capsules within the persistent hypanthium. Photos and vouchers: Daniela C. Zappi (A, C, H; from D.C. Zappi et al. 4301), Rafael G. Barbosa-Silva (B, D, F–G; still unvouchered), and Pedro L. Viana (E; unvouchered and in cultivation).
FIGURE 1. Sinningia minima. A. Wet rocks along streams, showing its saxicolous habitat. B in A new species of Sinningia (Gesneriaceae) and additional floristic data from Serra dos Carajás, Pará, Brazil
FIGURE 1. Sinningia minima. A. Wet rocks along streams, showing its saxicolous habitat. B. Habit with bud, flower and fruit. C. Individuals growing together with Goyazia rupicola. D. Individuals growing among mosses. (A–D: A.O.Araujo & Almeida 1146).
FIGURE 2. Sinningia minima. A. Habit. B. Flower, side view. C in A new species of Sinningia (Gesneriaceae) and additional floristic data from Serra dos Carajás, Pará, Brazil
FIGURE 2. Sinningia minima. A. Habit. B. Flower, side view. C. Gynoecium, nectary and calyx. D. Nectary in detail. E. Androecium. F. Seed.
FIGURE 7 in Carajasia (Rubiaceae), a new and endangered genus from Carajás mountain range, Pará, Brazil
FIGURE 7. Comparison between phylogenetic results with pollinic and morphologic data. The same tree of the figure 7 with the replacement of the terminals by its taxonomic equivalent (genera or infrageneric taxa) or informal groups (as Diodella teres group).
FIGURE 6 in Carajasia (Rubiaceae), a new and endangered genus from Carajás mountain range, Pará, Brazil
FIGURE 6. Phylogenetic tree showing the relationship of Carajasia with the remaining genera of Spermacoce clade.
FIGURE 2 in Carajasia (Rubiaceae), a new and endangered genus from Carajás mountain range, Pará, Brazil
FIGURE 2. Microphotographs from the scanning microscope of Carajasia cangae. A, stipule; B, leaf; C, immature fruit; D, apical view of fruit; E, lateral view of mericarp with the septum at the base; F, internal view of mericarp; G, inside view of anther locule without orbicules; H–J, bireticulate pollen grains; H, polar view; I, ecuatorial view; J, exine. A–J, from holotype [Viana et al. 5263 (BHCB)].
FIGURE 1. Carajasia cangae. A in Carajasia (Rubiaceae), a new and endangered genus from Carajás mountain range, Pará, Brazil
FIGURE 1. Carajasia cangae. A, habit, in rectangle a diagram of flowering branch; B, stipule with fimbriate edge. C, abaxial face of leaf; D, transversal section of leaf; E–H, flower; E, flower with a creased corolla lobe; F, hypanthium, style and stigma; G, inside of corolla; H, style and stigma; I–L, fruit; I, dehiscent fruit; J, ventral view of mericarps without a hyaline intercarpelar septum; K, dorsal view of mericarps; L, transversal section of mericarps; M, seed. Drawn by Laura Simón from the holotype [Viana et al. 5263 (BHCB)].
FIGURE 3 in Carajasia (Rubiaceae), a new and endangered genus from Carajás mountain range, Pará, Brazil
FIGURE 3. Images of Carajasia cangae. A, Carajasia cangae and Paepalanthus fasciculoides Hensold growing on the Canga soil; B, habit of well-developed plant; C, reduced habit; D, detail of the inflorescence; E, apex of the inflorescence; F, flowers, flowers bud and immature fruit, the arrow indicating the papillae over the fruit. Scale bars: C: 1 cm, D, E and F 1 mm. Photographs by P.L. Viana.
FIGURE 4 in Carajasia (Rubiaceae), a new and endangered genus from Carajás mountain range, Pará, Brazil
FIGURE 4. Image of Canga vegetation, the natural environment of Carajasia cangae. A, temporary streams with xerophytic vegetation, with some caespitose grasses, the Philodendron wullschlaegelii Schott and some scattered ferruginous plants of C. cangae. B, C, some plants of different stature of C. cangae. Photographs by P.L. Viana.
FIGURE 3. Bulbostylis cangae. A in Bulbostylis cangae, a new species of Cyperaceae from Northern Brazil (Serra dos Carajás, Pará State)
FIGURE 3. Bulbostylis cangae. A. Caudex in detail. B–C. Clefts in the cangas where part of its caudex is completely "embedded". D. Natural habitat, known locally as canga. (Photos by André Gil).
FIGURE 2 in Bulbostylis cangae, a new species of Cyperaceae from Northern Brazil (Serra dos Carajás, Pará State)
FIGURE 2. Distribution map of Bulbostylis cangae in cangas of Serra dos Carajás. The light grey area represents the Carajás National Forest (FLONA Carajás); red circles, collection sites; black patches, canga plateaus; dark grey, mining pit.
ScienceDex guides
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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.