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421 results for “Pará”
FIGURE 4 in A new species of Allobates (Anura: Aromobatidae) from Parque Nacional da Amazônia, Pará State, Brazil
FIGURE 4. Color in life of Allobates tapajos. (A) Dorsolateral and (G) ventral view of allotype (INPA-H 34424) from the species type locality in Parque Nacional da Amazônia (PNA). (A), (B), (C) and (D) Variation in dorsal color pattern. Note absence of dorsolateral lines. Ventral view of (I) a female (INPA-H 34407) and of (H) a male (INPA-H 34404). Note whitish ventral surfaces of female specimens and the yellow throat and chest on males. Lateral views of females (A, D and F) and male (E) specimens. Note that the ventrolateral stripe is absent or is restricted to round or elongate iridescent-white spots. Photographs by A.P. Lima.
FIGURE 11 in A new species of Allobates (Anura: Aromobatidae) from Parque Nacional da Amazônia, Pará State, Brazil
FIGURE 11. Evolutionary relationships between Allobates tapajos and other species of cryptically colored Allobates occurring in Brazil and across cis-Andean South America, as inferred from an unrooted maximum likelihood phylogenetic tree based on a 420 bp fragment of the 16S rDNA mitochondrial gene. All sequences proceed from specimens collected at the type localities of each species, except when indicated between parentheses. Live male frogs depicted on the right represent typical specimens of A. tapajos, A. magnussoni and A. masniger, which occur in sympatry in Parque Nacional da Amazônia, and their respective clades. Clade labels indicate support values obtained from 5000 bootstrap replicates (only support values>80% are shown). Basal clades received weak support and should not be considered to reflect the actual evolutionary relationships between the taxa analyzed.
FIGURE 3 in A new species of Allobates (Anura: Aromobatidae) from Parque Nacional da Amazônia, Pará State, Brazil
FIGURE 3. Foot and hand of Allobates tapajos holotype (INPA-H 34425). Scale bars near the foot correspond to 2.0 mm and hand 1.0 mm. Black arrows indicate basal webbing between Toes II and III and between Toes III and IV.
FIGURE 13 in A new species of Allobates (Anura: Aromobatidae) from Parque Nacional da Amazônia, Pará State, Brazil
FIGURE 13. Calling male (A), egg clutch (B) and tadpole nest (C) of Allobates tapajos from Parque Nacional da Amazônia, Itaituba, Pará State, Brazil.
FIGURE 6 in A new species of Allobates (Anura: Aromobatidae) from Parque Nacional da Amazônia, Pará State, Brazil
FIGURE 6. Tadpoles of Allobates tapajos from Parque Nacional da Amazônia, near Itaituba, Pará State, Brazil, proceeding from egg clutches collected in February 2008. (A) From top to bottom: dorsal, ventral and lateral views of a tadpole in developmental stage 35 (INPA-H 34426). (B) From top to bottom: dorsal, ventral and lateral views of a tadpole in developmental stage 39 (INPA-H 34427). A tadpole from lot INPA-H 34427 was used in the detailed description (see text). Scale bar corresponds to 5.0 mm.
FIGURE 10 in A new species of Allobates (Anura: Aromobatidae) from Parque Nacional da Amazônia, Pará State, Brazil
FIGURE 10. An alternative call type of Allobates tapajos recorded from a single male (INPA-H 34411, SVL = 16.08 mm) at the species type locality. Recording was conducted at air temperature of 25 °C. (A) This alternative call type is formed by trills of single notes split by relatively long silent intervals. (B) Detailed view of a trill of notes. Notes in trills were slightly shorter and emitted in a higher bandwidth when compared to notes in regular advertisement calls of the same individual.
FIGURE 1 in New species of Hippopleurifera (Bryozoa, Cheilostomata) from the Miocene Pirabas Formation, Pará state, Brazil
FIGURE 1. Map of the study area showing the sampling locations: 1, Aricuru; 2, B–17 Mine; 3, Atalaia Beach; 4, Fortaleza Island.
FIGURE 3 in New species of Hippopleurifera (Bryozoa, Cheilostomata) from the Miocene Pirabas Formation, Pará state, Brazil
FIGURE 3. Hippopleurifera confusa sp. nov. Specimens: A, C, E, specimen MG–6302–I–a; B, D, F, specimen MG–6302–I–c. A, B, general view of colony fragments showing autozooids, frontal shields with areolar pores, lateral avicularia and orifices with suboral avicularia. C, detail of an orifice with oral-spine bases, lateral condyles and a simple lateral avicularium. D, another orifice, with distal spine bases, broken cystid of a suboral avicularium and a pair of asymmetrical lateral avicularia. E, orifice with a small lyrulate process, lateral condyles and a long, spatulate, lateral avicularium with a flared rostral tip. F, frontal-shield interiors showing openings of areolar pores and reduced umbonuloid areas. Scale bars: A, B, 500 µm; C, E, 150 µm; D, 100 µm; F, 250 µm.
FIGURE 2 in New species of Hippopleurifera (Bryozoa, Cheilostomata) from the Miocene Pirabas Formation, Pará state, Brazil
FIGURE 2. Hippopleurifera barbosae sp. nov. Specimens: A, MG–6301–I–a; B, MG–6301–I–b; C, MG–6301–I–d; D: MG– 6301–I–c; E: MG–6301–I–e; F: MG–6301–I–f. A, general view of colony fragment showing primary orifices, some lateral and suboral avicularia and one ovicellate zooid. B, general view of colony fragment with ovicellate zooids showing their major characteristics. C, detail of two autozooids showing primary orifices with condyles, lyrulate processes and distal spines, as well as suboral and lateral avicularia and frontal shields with areolar pores. D, ovicellate and non-ovicellate zooids. E, detail of a perforated bifenestrate oecium with two frontal avicularia. F, frontal-shield interiors showing openings of areolar pores and reduced umbonuloid areas (best seen in zooid at upper left). Scale bars: A, B, D, F, 500 µm; C, 200 µm; E, 150 µm.
FIGURE 3 in New species of Characidium (Characiformes: Crenuchidae) from the Rio Tapajós and Rio Xingu drainages, Pará, Brazil
FIGURE 3. Single most parsimonious tree (13 steps – CI 0.69; RI 0.87) obtained from the analysis of a modified version of the data matrix from Netto-Ferreira et al. (2013), with the inclusion of Characidium hasemani and C. steindachneri as additional outgroups, and the new species C. nana. Zero length branches are collapsed.
FIGURE 2 in New species of Characidium (Characiformes: Crenuchidae) from the Rio Tapajós and Rio Xingu drainages, Pará, Brazil
FIGURE 2. Map of Rio Tapajós and Rio Xingu, and adjoining areas, showing distribution of Characidium nana. White circle indicates the type locality.
FIGURE 1 in New species of Characidium (Characiformes: Crenuchidae) from the Rio Tapajós and Rio Xingu drainages, Pará, Brazil
FIGURE 1. Characidium nana, holotype, MPEG 31838, 21.5 mm SL, from Rio 13 de Maio, approximately 40 km from Castelo dos Sonhos, Pará, Brazil.
FIGURE 8 in A new species of Aspidoras Ihering (Siluriformes: Callichthyidae: Corydoradinae) from the Rio Xingu Basin, Pará, Brazil
FIGURE 8. Type locality of Aspidoras marianae, in unnamed stream tributary to the Rio Curuá, itself a tributary to the Rio Iriri, Rio Xingu basin, 8º26'44.7"S, 55º09'25.0"W.
FIGURE 6 in A new species of Aspidoras Ihering (Siluriformes: Callichthyidae: Corydoradinae) from the Rio Xingu Basin, Pará, Brazil
FIGURE 6. Dorsal view of left pectoral-fin spine of Aspidoras marianae, MPEG 26408, paratype. Odontodes on anterior margin not depicted. Scale bar = 1 mm.
FIGURE 3 in A new species of Aspidoras Ihering (Siluriformes: Callichthyidae: Corydoradinae) from the Rio Xingu Basin, Pará, Brazil
FIGURE 3. Lateral view of the orbital region of Aspidoras marianae, MPEG 26408, paratype. N = nasal, IO1, 2 = infraorbitals 1,2, POP = preopercle, OP = opercle. Scale bar = 1 mm.
FIGURE 4 in A new species of Aspidoras Ihering (Siluriformes: Callichthyidae: Corydoradinae) from the Rio Xingu Basin, Pará, Brazil
FIGURE 4. Detail of the isthmus region of Aspidoras marianae, MPEG 26408, paratype. Arrows indicate minute odontodebearing platelets. Left ventrolateral plates removed. Scale bar = 2 mm.
FIGURE 7 in A new species of Aspidoras Ihering (Siluriformes: Callichthyidae: Corydoradinae) from the Rio Xingu Basin, Pará, Brazil
FIGURE 7. Map of part of the upper Rio Xingu showing type localities of Aspidoras species. Star = Aspidoras marianae, circle = A. microgalaeus, triangle = A. brunneus. 1 = Rio Curuá; 2 = Rio Xingu; 3 = Rio Culuene; 4 = Rio Araguaia.
FIGURE 2 in A new species of Aspidoras Ihering (Siluriformes: Callichthyidae: Corydoradinae) from the Rio Xingu Basin, Pará, Brazil
FIGURE 2. Dorsal view of the snout region of Aspidoras marianae, MPEG 26408, paratype. Arrows indicate minute odontodebearing platelets scattered over all surface of the snout. MAX = maxilla, AP = autopalatine, MES = mesethmoid, N = nasal, F = frontal. Scale bar = 1 mm.
FIGURE 1 in A new species of Aspidoras Ihering (Siluriformes: Callichthyidae: Corydoradinae) from the Rio Xingu Basin, Pará, Brazil
FIGURE 1. Aspidoras marianae, holotype, MPEG 26409, 28.5 mm SL, Castelo de Sonhos municipality, unnamed stream, Rio Xingu basin, Pará, Brazil. Left lateral, dorsal, and ventral views.
FIGURE 9 in A new species of Allobates (Anura: Aromobatidae) from the Tapajós River basin, Pará State, Brazil
FIGURE 9. (A) Ventral and (B) oblique views of the oral disc of a tadpole of Allobates magnussoni at developmental stage 37 proceeding from the species type-locality in Parque Nacional da Amazônia, Pará State (INPA-H 32983). Note orientation of posterior labium, projected onwards and partially hiding posterior tooth rows from sight in ventral view. (C) Ventral view of the oral disc of an additional tadpole of the same lot, emphasizing that posterior labium orientation is constant among tadpoles. Scale bars correspond to 0.5 mm. (D) Dorsal, (E) ventral and (F) lateral views of a live tadpole of A. magnussoni.
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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.