Find research datasets worth reusing
Search datasets from major research repositories and use ShareScore to quickly assess how well each record supports discovery, access, and reuse.
4,462
datasets available to search
ShareScore release 0.9.0
Dataset results
4,462 results for “South America”
FIGURE 3 in The genus Callitriche (Plantaginaceae: Callitricheae) in South America
FIGURE 3. Epitype of Callitriche antarctica (R.C. Winkworth & F. Hennion 42, P barcode P02432590). Copyright: Muséum National d'Histoire Naturelle.
FIGURE 1 in The genus Callitriche (Plantaginaceae: Callitricheae) in South America
FIGURE 1. Fruits of South American Callitriche: a—C. albomarginata, b—C. antarctica, c—C. berteroana, d—C. ciliata, e—C. ciliata showing fibrils, f—C. concinna, g—C. dacryoidea, h—C. deflexa, i—C. ecarinata, j—C. hegelmaieriana, k—C. heterophylla, l—C. heteropoda.
FIGURE 2 in The genus Callitriche (Plantaginaceae: Callitricheae) in South America
FIGURE 2. Lectotype of Callitriche antarctica (J.D. Hooker s.n., MEL barcode MEL2409648). Copyright: Royal Botanic Gardens Victoria.
FIGURE 2. Croton macrobothrys. A in Novelties in Croton (Euphorbiaceae) from southern South America
FIGURE 2. Croton macrobothrys. A) Fruits. B) Deciduous leaves on the ground. C) Habit. E. Valduga 914. Images by Martin Molz.
FIGURE 1. Croton lombardianus. A in Novelties in Croton (Euphorbiaceae) from southern South America
FIGURE 1. Croton lombardianus. A) Habit and pistillate flowers. B) Pistillate flowers showing the stigma. C) Staminate flowers. F. Gonzatti 261. Images by Andrés González.
FIGURE. Map and phytophysiognomies of occurrence of species of Chamaecrista ser. Paniculatae. A. South America map highlighting the Phytogeographic Domain of Cerrado. B. Transition between Cerrado and Caatinga (Grão Mogol State Park, Minas Gerais). C. Cerrado típico (Chapada dos Veadeiros National Park, Goiás). D. Cerrado ralo (Jalapão State Park, Tocantins). E. Cerrado denso (Serra de Cladas Novas State Park, Goiás). F. Campo rupestre (Chapada dos Veadeiros National Park, Goiás). G. Cerrado rupestre (Chapada dos Veadeiros National Park, Goiás). in Taxonomic review of Chamaecrista sect. Absus subsect. Absus ser. Paniculatae (Benth.) H.S. Irwin & Barneby (Leguminosae, Caesalpinioideae)
FIGURE. Map and phytophysiognomies of occurrence of species of Chamaecrista ser. Paniculatae. A. South America map highlighting the Phytogeographic Domain of Cerrado. B. Transition between Cerrado and Caatinga (Grão Mogol State Park, Minas Gerais). C. Cerrado típico (Chapada dos Veadeiros National Park, Goiás). D. Cerrado ralo (Jalapão State Park, Tocantins). E. Cerrado denso (Serra de Cladas Novas State Park, Goiás). F. Campo rupestre (Chapada dos Veadeiros National Park, Goiás). G. Cerrado rupestre (Chapada dos Veadeiros National Park, Goiás).
FIGURES 2–38 in Staurosirella paranaensis sp. nov., a new epiphytic freshwater diatom (Bacillariophyceae) from the Paraná River floodplain, Brazil, South America
FIGURES 2–38. LM. Staurosirella paranaensis sp. nov. from type material. 2–34. LM. 2–9, 13–34. Valve view. 10–12. Girdle view. 35– 38. SEM–External view. Valve views depicting characteristics of the central narrow sternum, striae, and apical pore fields. Vimines long and narrow becoming shorter toward the sternum. Striae running uninterrupted from valve face to mantle, with areolae slit-like. 36–37. Apical pore fields. Broken spines suggesting initially hollow then becoming a solid structure. LM scale bar 10 μm, in SEM the scale bars are identified in the images. Figure 21* indicates the holotype specimen.
FIGURES 39–44 in Staurosirella paranaensis sp. nov., a new epiphytic freshwater diatom (Bacillariophyceae) from the Paraná River floodplain, Brazil, South America
FIGURES 39–44. SEM. Staurosirella paranaensis sp. nov. from type material. 39–41. Girdle view of a complete frustule showing wider valvocopulae still attached to both valves. 42. Union of two valves by spines and formation of colonies. 43. Spines detail showing solid spines and an apically elongated structure with a lamina that becomes spatulate with two prominences in shape at the top. 44. View of the spine's junction of copula, spines terminating near or over the neighboring valve areolae. Scale bars are identified in the SEM images.
Figure 9 in A new genus of miniaturized and pug-nosed gecko from South America (Sphaerodactylidae: Gekkota)
Figure 9. Left manus and pes of sphaerodactyl geckos. A, B, Gonatodes albogularis (UIS-R-2079); C, D, Lepidoblepharis xantostigma (USNM 313791); E, F, Sphaerodactylus klauberi (UPRRP 006416); G, H, Pseudogonatodes guianensis (MZUSP 94826); I, J, Coleodactylus brachystoma (MZUSP uncatalogued); K, L, Chatogekko amazonicus (USNM 289061). Drawings not to the same scale. Abbreviations: I–V, digits; ads, anterior distal sesamoid; c, centrale; cd, distal carpal; f, fibula; mc-ph s, sesamoid dorsal to the metacarpal–phalange articulation; mt-ph s, sesamoid dorsal to the metatarsal– phalange articulation; ps, pisiform; r, radius; ra, radiale; t, tibia; td, distal tarsal; tp, proximal tarsal, u, ulna, ul, ulnare.
Figure 8 in A new genus of miniaturized and pug-nosed gecko from South America (Sphaerodactylidae: Gekkota)
Figure 8. Articulated skeleton of Chatogekko sp. Specimen (USNM 289061) from Reserva Biologica Rio Trombetas, Pará, Brazil. Scale bar = 10 mm.
Figure 7 in A new genus of miniaturized and pug-nosed gecko from South America (Sphaerodactylidae: Gekkota)
Figure 7. Hyoid apparatus of Chatogekko amazonicus specimen from Serra do Navio, Amapá, Brazil (AMNH R-138726). Abbreviations: 1 cb, first ceratobranchial; 1 eb, first epibranchial; 2 cb, second ceratobranchial; 2 eb, second epibranchial; bhy, basihyal; chy, ceratohyal; ehy, epihyal; ghy, glossohyal; hhy, hypohyal. Different shades of grey indicate the ossification of each element: grey, cartilaginous; white, ossified. Scale bar = 1 mm.
Figure 6 in A new genus of miniaturized and pug-nosed gecko from South America (Sphaerodactylidae: Gekkota)
Figure 6. Inferred overlapping pattern among the medial bones of the snout in Chatogekko amazonicus specimen from Guyana (AMNH-R 132039). Grey indicates the overlap area; arrows indicate the place where each bone articulates. Abbreviations: asnp, ascending nasal process; n, nasal, f, frontal.
Figure 4. Chatogekko amazonicus specimens. A in A new genus of miniaturized and pug-nosed gecko from South America (Sphaerodactylidae: Gekkota)
Figure 4. Chatogekko amazonicus specimens. A, lateral view of the head showing 2–4 loreal scales (ls); B, dorsal view of the left hand showing the inner supero-lateral and outer supero-lateral (isl and osl, Fig. 5B); C, ventral view of the left hand showing the inner infero-lateral and outer infero-lateral (iil and oil, Fig. 5C); and D, keeled scales along the dorsal surface of the body. A–C, USNM 288775; D, MZUSP 91394. Scale bar = 1mm.
Figure 2 in A new genus of miniaturized and pug-nosed gecko from South America (Sphaerodactylidae: Gekkota)
Figure 2. Cladograms for each nuclear locus and the concatenated nuclear gene dataset illustrating relationships among sphaerodactyl genera estimated using maximum likelihood. Branches with lengths not significantly different from zero are indicated with an asterisk.
Figure 11 in A new genus of miniaturized and pug-nosed gecko from South America (Sphaerodactylidae: Gekkota)
Figure 11. Relative length of hand and foot digits with respect to digit 1 in representative species from each sphaerodactyl genus. Gonatodes albogularis (UIS-R-2079), Lepidoblepharis xantostigma (USNM 313791), Sphaerodactylus klauberi (UPRRP 006416), Pseudogonatodes guianensis (MZUSP 94826), Coleodactylus brachystoma (MZUSP uncatalogued), Chatogekko amazonicus (USNM 289061).
Figure 3 in A new genus of miniaturized and pug-nosed gecko from South America (Sphaerodactylidae: Gekkota)
Figure 3. Phylogenetic relationships among sphaerodactyl genera estimated using (A) MDC (minimization of deep coalescence events) and (B) BCA (Bayesian concordance analysis). Node values on the MDC tree are bipartition frequencies from 1000 replicate analyses randomly sampled from the Bayesian posterior distributions of the individual gene trees. Node values on the BCA tree are posterior mean concordance factors.
Figure 10 in A new genus of miniaturized and pug-nosed gecko from South America (Sphaerodactylidae: Gekkota)
Figure 10. Palatal view of cleared and stained Chatogekko amazonicus specimen from Guyana (AMNH-R 132039) showing the secondary palate formed on the palatine. Abbreviations: bp, basipterygoid; bpcp, cartilaginous pad of the basipterygoid process; cc, choanal canal; ec, ectochoanal cartilage; fe, fenestra exochoanalis; pal, palatine; palvp, ventral process of the palatine; pmx-v f, premaxillary–vomer fenestra; pt, pterygoid; sof, suborbital fenestra; v, vomer; vp, vomerine process of palatine. Scale bar = 1 mm.
Figure 1 in Evidence of early evolution of Australidelphia (Metatheria, Mammalia) in South America: phylogenetic relationships of the metatherians from the Late Palaeocene of Itaboraí (Brazil) based on teeth and petrosal bones
Figure 1. Right petrosal of MNRJ 6734-V (Type VI) in ventral (A), dorsal (B), and lateral (C) views. Abbreviations: al, anterior lamina; av, aqueductus vestibuli; cc, crus commune; cp, crista parotica; cr, crista petrosa; ctpp, caudal tympanic process of petrosal; er, epitympanic recess; fai, foramen acousticum inferius; fas, foramen acousticum superius; fc, fenestra cochleae; fi, fossa incudis; fn, facial nerve; fs, facial sulcus; fsa, fossa subarcuata; fss, foramen for the sigmoid sinus; fv, fenestra vestibuli; gg, location of the subjacent geniculate ganglion; gpn, greater petrosal nerve; hF, hiatus Fallopii; iam, internal auditory meatus; ica, internal carotid artery; ips, inferior petrosal sinus; lapc, lateral aperture of the prootic canal; lhv, lateral head vein; lw, lateral wall of epitympanic recess (tuberculum tympani); me, mastoid exposure; mp, mastoid tympanic process; pcv, prootic canal vein; pfc, prefacial commissure; pr, promontorium; ps, prootic sinus; psc, posterior semicircular canal; psv?, probable prootic sinus vein; rtpp, rostral tympanic process of petrosal; sff, secondary facial foramen; sica, sulcus for the internal carotid artery; sips, sulcus for the inferior petrosal sinus; smn, stylomastoid notch; spev, sphenoparietal emissary vein; sps, sulcus for the prootic sinus; spsv?, sulcus for a probable vein connected to the prootic sinus; ss, sigmoid sinus; sss, sulcus for the sigmoid sinus; th, tympanohyal; tt, tuberculum tympani; ttf, tensor tympani fossa; ts, transverse sinus; tyc, tympanic crest; vf, vascular foramen; uf, unknown foramen; us, unknown sulcus; V3?, probable medial border of the foramen ovale for the V3 nerve.
Figure 7 in Evidence of early evolution of Australidelphia (Metatheria, Mammalia) in South America: phylogenetic relationships of the metatherians from the Late Palaeocene of Itaboraí (Brazil) based on teeth and petrosal bones
Figure 7. Timing of the earliest evolution of metatherians according to the hypotheses highlighted in the most parsimonious trees (Fig. 4). Data sources: minimal age of Sinodelphys (Swisher et al., 1999), age for the North American metatherians (Clemens, 1966), dating of the Mongolian taxon Deltatheridium (Dashzeveg et al., 2005), dating of the South American metatherians (de Muizon, 1994; Flynn & Swisher, 1995; Marshall et al., 1997); molecular estimate of divergence of marsupial ordinal clades (Nilsson et al., 2004; Beck, 2008; Meredith et al., 2008). Thick and grey strokes represent fossil species. Geological stages: Ab, Albian; Bm, Barremian; C, Coniacian; Ca, Campanian; Ce, Cenomanian; Eo, Eocene; H, Hauterivian; Ma, Maastrichtian; Pa, Palaeocene; S, Santonian; T, Turonian; V, Valanginian.
Figure 6 in Evidence of early evolution of Australidelphia (Metatheria, Mammalia) in South America: phylogenetic relationships of the metatherians from the Late Palaeocene of Itaboraí (Brazil) based on teeth and petrosal bones
Figure 6. Comparisons of the morphometric and phylogenetic assessments as regards the possible assignment of petrosal types to dental-based taxa from Itaboraí. Scale bars = 2 mm.
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.