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535 results for “quaternary”
Figure 4 in Effects of Quaternary climatic oscillations over the Chacoan fauna: phylogeographic patterns in the southern three-banded armadillo Tolypeutes matacus (Cingulata: Chlamyphoridae)
Figure 4. Effective size change over time estimated from BSP analysis corresponding to all the localities for each marker. The y-axis represents the effective size (Ne) expressed on a logarithmic scale. The x-axis represents time in millions of years (Myr) before the present. The dark blue lines represent the median effective population size over time, and the lighter blue areas the range of Ne values with posterior densities higher than 95%. Expansion signals were highlighted in yellow. The analyses for the northern and southern groups are shown in the Supporting Information, Figure S1.
Figure 3 in Effects of Quaternary climatic oscillations over the Chacoan fauna: phylogeographic patterns in the southern three-banded armadillo Tolypeutes matacus (Cingulata: Chlamyphoridae)
Figure 3. Left panel (A) shows groups recovered by Bayesian inference in GENELAND. The middle and right panels present spatial distribution of posterior probability to belong to cluster north (B) and south (C).
Figure 2. Geographic distribution and haplotype networks for 12S in Effects of Quaternary climatic oscillations over the Chacoan fauna: phylogeographic patterns in the southern three-banded armadillo Tolypeutes matacus (Cingulata: Chlamyphoridae)
Figure 2. Geographic distribution and haplotype networks for 12S (top panels) and control region (bottom panels). The panels on the left plot the geographical distribution and frequency of haplotypes in the different localities analysed. Localities were labelled according to their ID (see Table 1). The right panels show the haplotype networks, where the dashes on the lines represent mutations, and the black circles represent intermediate variants not found. Principal Chacoan rivers are shown in light-blue labels. Capitalized labels indicate names of Argentinean provinces, and labels with all letters in uppercase refer to neighbouring countries.
Figure 1 in Effects of Quaternary climatic oscillations over the Chacoan fauna: phylogeographic patterns in the southern three-banded armadillo Tolypeutes matacus (Cingulata: Chlamyphoridae)
Figure 1. Possible range expansion scenarios for Tolypeutes matacus during glacial (A) and interglacial (B) periods. Yellow arrows denote scenarios proposed by Soibelzon (2019), while pink arrows indicate scenarios suggested by results from Ferreiro et al. (2022). Green polygon shows IUCN's current species distribution (Noss et al. 2014), and red and blue dots indicate fossil records from Holocene and Pleistocene periods, respectively (sensu Ferreiro et al. 2022).
Figure 5 in Effects of Quaternary climatic oscillations over the Chacoan fauna: phylogeographic patterns in the southern three-banded armadillo Tolypeutes matacus (Cingulata: Chlamyphoridae)
Figure 5. Spatiotemporal diffusion analysis of lineages for Tolypeutes matacus showing time slices for (A) 1.6 Mya, (B) 1.07 Mya, (C) 580 kya, and (D) the present. Red lines represent branches of the MCC tree and blue-shaded areas: indicate 80% HPD uncertainty in the location of ancestral nodes.
Indian summer monsoon variability during the late Quaternary northeastern Arabian Sea
<p>This dataset contains benthic foraminifera abundance and Stable isotope values from northeastern Arabian sea since the 18 cal Kyr BP.</p>
Figure 1 in The genetic legacy of the Quaternary ice ages
Figure 1 The maximum extent of ice and permafrost at the end of the last ice age 20,000 yr BP. The lowered sea level, large deserts and main blocks of tropical forest are indicated. Modified with permission from ref. 2.
Figure 2 in The genetic legacy of the Quaternary ice ages
Figure 2 Three paradigm postglacial colonizations from southern Europe deduced from europeus/concolor, and the bear, Ursos arctos. The main refugial areas, Iberia, Italy, the DNA differences for the grasshopper, Chorthippus parallelus, the hedgehog, Erinaceus Balkans and Caucasus, contributed differently to the repopulation of northern parts.
Figure 3 in The genetic legacy of the Quaternary ice ages
Figure 3 The general position of some wellknown hybrid zones in Europe, which show major clustering in Scandinavia, central Europe and the Alps. Other clusters are apparent in the Pyrenees and the Balkans. These suture zones are caused by commonalities of iceage refugia, rate of postglacial expansion and physical barriers. There is further subdivision in the southern regions.
FIGURE 18 in A new and most complete pampathere (Mammalia, Xenarthra, Cingulata) from the Quaternary of Bahia, Brazil
FIGURE 18. Thoracic bones and clavicle of Holmesina cryptae sp. nov. (holotype, LPP-PV-001). A, right first anterior rib; B, manubrium; and C, right clavicle. Abbreviations: ace, acromial end; ssn, suprasternal notch; ste, sternal end; vee, vertebral end. Scale bar = 30 mm.
FIGURE 22 in A new and most complete pampathere (Mammalia, Xenarthra, Cingulata) from the Quaternary of Bahia, Brazil
FIGURE 22. Right hind limb bones of Holmesina cryptae sp. nov. (holotype, LPP-PV-001). A–B, femur in A, anterior; and B, posterior views. C–D, patella in C, anterior; and D, posterior views. E–F, tibiofibula in E, anterior; and F, posterior views. Scale bar = 50 mm.
FIGURE 8 in A new and most complete pampathere (Mammalia, Xenarthra, Cingulata) from the Quaternary of Bahia, Brazil
FIGURE 8. Skull of Holmesina cryptae sp. nov. (paratype, LPP-PV-002), lateral and posterior views. A, lateral; and B, and occipital views. Scale bar = 50 mm.
FIGURE 7 in A new and most complete pampathere (Mammalia, Xenarthra, Cingulata) from the Quaternary of Bahia, Brazil
FIGURE 7. Skull of Holmesina cryptae sp. nov. (holotype, LPP-PV-001), lateral and posterior views. A, lateral; and B, and occipital views. Scale bar = 50 mm.
FIGURE 4 in A new and most complete pampathere (Mammalia, Xenarthra, Cingulata) from the Quaternary of Bahia, Brazil
FIGURE 4. Osteoderms of Holmesina cryptae sp. nov. A–D, LPP-PV-001, A, osteoderm of cephalic shield. B, fixed osteoderm of scapular buckler in dorsal and lateral views. C, fixed osteoderm of pelvic buckler. D, movable osteoderm in dorsal and right lateral views. E, (LPP-PV-002) semimovable osteoderm of pelvic buckler, F, (LPP-PV-001) semimovable osteoderm of scapular buckler. G, (LPP-PV-002) caudal osteoderm (proximal portion of the tail). H–I, LPP-PV-001, H, caudal osteoderm (median portion), and I, caudal osteoderm (distal portion). Scale bar = 20 mm.
FIGURE 3 in A new and most complete pampathere (Mammalia, Xenarthra, Cingulata) from the Quaternary of Bahia, Brazil
FIGURE 3. Complete skeleton of Holmesina cryptae sp. nov. (holotype, LPP-PV-001). Scale bar = 300 mm.
FIGURE 1 in A new and most complete pampathere (Mammalia, Xenarthra, Cingulata) from the Quaternary of Bahia, Brazil
FIGURE 1. Map and Location of Lapinha Cave. A–B, location of Iramaia Municipality in Bahia state, Brazil. C, map of Lapinha Cave highlighting its second lower level and the points where the fossils were found (adapted map provided by GPME Speleology Group). Legend: white, ground level of the cave; yellow, first lower level; light blue, second lower level; and dark green, third lower level of the cave. Abbreviations: G, site where glyptodonts were collected; P1 and P2 (holotype and paratype, respectively), the sites where these pampatheres were collected.
FIGURE 11 in A new and most complete pampathere (Mammalia, Xenarthra, Cingulata) from the Quaternary of Bahia, Brazil
FIGURE 11. Schematic representation of the right upper tooth rows of South American Quaternary pampatheres. A, Holmesina cryptae sp. nov. (paratype, LPP-PV-002). B, H. rondoniensis (holotype, MERO-P-002). C, H. occidentalis (ROM 3881). D, H. paulacoutoi (holotype, MCL-501/01). E, H. septentrionalis (HMNS 173). F, Pampatherium typum (MACN Pv 11543). G, P. humboldtii (MHD-P-28). In black, absent molariforms (shape inferred from the alveolus); in some cases, the occlusal surface is totally or partially destroyed, thus some illustrations were completed from the left tooth row of the same exemplar. Scale bar = 30 mm.
FIGURE 14 in A new and most complete pampathere (Mammalia, Xenarthra, Cingulata) from the Quaternary of Bahia, Brazil
FIGURE 14. Hyoid apparatus of Holmesina cryptae sp. nov. A–B, lateral view (holotype, LPP-PV-001); A, stylohyal; B, epihyal; and C, (paratype, LPP-PV-002) ventral view of the basithyrohyal co-ossification (= v-bone). Scale bar = 30 mm.
FIGURE 23 in A new and most complete pampathere (Mammalia, Xenarthra, Cingulata) from the Quaternary of Bahia, Brazil
FIGURE 23. Right astragalus and calcaneus of Holmesina cryptae sp. nov. (holotype, LPP-PV-001). A–B, astragalus in A, dorsal; and B, ventral views. C–D, calcaneus in C, dorsal; and D, ventral views. Scale bar = 50 mm.
FIGURE 17 in A new and most complete pampathere (Mammalia, Xenarthra, Cingulata) from the Quaternary of Bahia, Brazil
FIGURE 17. Vertebral portions of ribs of Holmesina cryptae sp. nov. (holotype, LPP-PV-001). Second to tenth right ribs. Scale bar = 30 mm.
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.