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1,817 results for “Late Cretaceous”
FIG. 27 in The Osteology Of Haya Griva (Dinosauria: Ornithischia) From The Late Cretaceous Of Mongolia
FIG. 27. Postcranial skeleton of Haya griva, IGM 100/2015. Abbreviations in appendix 1.
FIG. 20 in The Osteology Of Haya Griva (Dinosauria: Ornithischia) From The Late Cretaceous Of Mongolia
FIG. 20. Otic region of IGM 100/2014. Abbreviations in appendix 1.
FIG. 1 in The Osteology Of Haya Griva (Dinosauria: Ornithischia) From The Late Cretaceous Of Mongolia
FIG. 1. Map of Mongolia showing the Khugenetslavkant and Zos Canyon localities.
FIG. 19 in The Osteology Of Haya Griva (Dinosauria: Ornithischia) From The Late Cretaceous Of Mongolia
FIG. 19. Braincase of IGM 100/2019 in oblique right lateral view. Abbreviations in appendix 1.
FIG. 12 in The Osteology Of Haya Griva (Dinosauria: Ornithischia) From The Late Cretaceous Of Mongolia
FIG. 12. Skull of Haya griva, IGM 100/3557 in dorsal view. Abbreviations in appendix 1.
FIGURE 16 in The Osteology Of Haya Griva (Dinosauria: Ornithischia) From The Late Cretaceous Of Mongolia
FIGURE 16. Troodontid tooth found in matrix from the IGM 100/3672 jacket.
FIG. 7 in The Osteology Of Haya Griva (Dinosauria: Ornithischia) From The Late Cretaceous Of Mongolia
FIG. 7. Skull of Haya griva, IGM 100/3178, in left lateral view. Abbreviations in appendix 1.
Fig. 44 in The Osteology Of Alioramus, A Gracile And Long-Snouted Tyrannosaurid (Dinosauria: Theropoda) From The Late Cretaceous Of Mongolia
Fig. 44. Lateral (maxillary or dentary) teeth of the holotype specimen of Alioramus altai (IGM 100/
Fig. 43 in The Osteology Of Alioramus, A Gracile And Long-Snouted Tyrannosaurid (Dinosauria: Theropoda) From The Late Cretaceous Of Mongolia
Fig. 43. Lateral (maxillary or dentary) teeth of the holotype specimen of Alioramus altai (IGM 100/
Fig. 36 in The Osteology Of Alioramus, A Gracile And Long-Snouted Tyrannosaurid (Dinosauria: Theropoda) From The Late Cretaceous Of Mongolia
Fig. 36. Closeup photo of the left surangular of the holotype specimen of Alioramus altai (IGM 100/
Fig. 28 in The Osteology Of Alioramus, A Gracile And Long-Snouted Tyrannosaurid (Dinosauria: Theropoda) From The Late Cretaceous Of Mongolia
Fig. 28. Closeup photos of the left palatine of the holotype specimen of Alioramus altai (IGM 100/
Discovery of Ultra-depleted Melt Inclusion in Late Cretaceous Intracontinental Basaltic Andesites in South China: Implications for Recycling of Lower Oceanic Crust
<p><strong>Contents of this file </strong></p> <p><strong>S1. Supplementary Text:</strong></p> <p><strong>1. </strong>Data compilation and statistical analysis</p> <p><strong>2.</strong> Reconstructing the chemical compositions of melt inclusion</p> <p><strong>3.</strong> Batch melting calculation</p> <p><strong>4.</strong> Melt-plagioclase diffusive interaction model</p> <p><strong>S2. Supplementary Table:</strong></p> <p><strong>Table S1. </strong>The parameters used in batch melting calculation.</p> <p><strong>Table S2. </strong>Parameters used in the melt-plagioclase diffusive interaction model</p> <p><strong>Table S3. </strong>Input and output data for the melt-plagioclase diffusive interaction model.</p> <p><strong>S3. Supplementary Figure:</strong></p> <p><strong>Figure S1. </strong>Primitive mantle-normalized trace element patterns.</p> <p><strong>S4. Supplementary Dataset (uploaded separately):</strong></p> <p><strong>Dataset S1. </strong>Compiled data including basaltic rocks from South China, MORBs, and Hawaiian OIBs.</p> <p><strong>Dataset S2. </strong>Olivine chemical compositions.</p> <p><strong>Dataset S3. </strong>Bulk-rock major oxide, trace element, and Sr-Nd-Pb-Hf isotopic compositions.</p> <p><strong>Dataset S4. </strong>Measured and corrected major element compositions of melt inclusion.</p> <p><strong>Dataset S5. </strong>Measured and corrected trace element compositions of melt inclusion.</p> <p><strong>Dataset S6. </strong>Pb isotopic compositions of melt inclusion.</p>
Data from: Ankylosaurian body armor function and evolution with insights from osteohistology and morphometrics of new specimens from the Late Cretaceous of Antarctica
<p>The body armor of ankylosaurians is a unique morphological feature among dinosaurs. Despite being studied for decades, paleohistological analyses have only started to uncover the details of its function. Yet, there has been an overall bias toward sampling ankylosaurian remains from the Northern Hemisphere and limited quantitative studies on the morphological and functional evolution. Here, we describe new ankylosaurian materials recovered from the Late Cretaceous of Antarctica that, in combination with data compiled from the literature, reveal new insights into the evolution of the ankylosaurian body armor. Based on histological microstructure and phylogenetic results, the new Antarctic material can be assigned to Nodosauridae. This group shares the absence/poor development of the basal cortex and highly ordered sets of orthogonal structural fibers in the superficial cortex. Our morphospace analyses indicate that large morphological diversity is observed among both nodosaurids and ankylosaurids, but they became more functionally specialized in late-diverging nodosaurids. Besides acting as effective protection against predation, osteoderms also exhibit highly ordered structural fibers in nodosaurids, enabling a decrease in cortical bone thickness (as in titanosaurs), which could have been co-opted for secondary functions, such as calcium remobilization for physiological balance. The latter may have played a key role in nodosaurid colonization of high-latitude environments, such as Antarctica and the Arctic Circle.</p>
Data set for "Tectonic evolution of the Tibetan Plateau during the late Cretaceous to early Eocene: Insights from geochemical records in the Fenghuoshan Group, Hoh Xil Basin"
<p>The mineral compositions, major and trace element gechemical data for the sediements from Fenghuoshan Group, Hoh Xil Basin.</p>
Supplementary information for: Dental microwear texture analysis reveals a likely dietary shift within Late Cretaceous ornithopod dinosaurs.
<p>This supplementary information includes 19 datasets and 95 sur files. Dataset 1 to 11 and 13 to 19 are in one excel file (“1. Supplementary Dataset 1-11 13-17_MS.xlsx “) and each dataset is in a separate excel sheet. Dataset 12 is a nexus file that contains a phylogenetic tree of ornithischian dinosaurs used in the analysis of this study (“2. DatasetS12 tree.nex”). Other 95 sur format files are original 3D surface files that are obtained by scanning tooth surface of ornithischian tooth fossils using a laser microscope VK-9700. Sur file can be opened by a surface roughness software MountainsMap. Surface roughness parameters obtained from these Sur files are in Supplementary dataset 1.</p> <p>Datasets 13 to 19 are results of statistical analyses that excluded data from <em>Thescelosaurs</em>.</p> <p> </p> <p>Below is an explanation for each dataset.</p> <p>Supplementary Dataset 1. Normalized dental microwear texture parameters.</p> <p>Supplementary Dataset 2. Results of the statistical analysis that examined effect of geological ages and enamel locations on each dental microwear texture parameter.</p> <p>Supplementary Dataset 3. Results of the statistical analysis that include body size as an explanatory variable.</p> <p>Supplementary Dataset 4. Eigen values of principal components obtained by the PCA of dental microwear texture parameters.</p> <p>Supplementary Dataset 5. Loading matrix of the PCA.</p> <p>Supplementary Dataset 6. Results of statistical analyses that examined effect of geological ages and enamel locations on PC1 and PC2.</p> <p>Supplementary Dataset 7. Bayes factors for the evolutionary model fitting of PC1.</p> <p>Supplementary Dataset 8. Bayes factors for the evolutionary model fitting of Sdr.</p> <p>Supplementary Dataset 9. Bayes factors for the evolutionary model fitting of Sha.</p> <p>Supplementary Dataset 10. Bayes factors for the evolutionary model fitting of Sq.</p> <p>Supplementary Dataset 11. Bayes factors for the evolutionary model fitting of Vvv.</p> <p>Supplementary Dataset 12. Phylogenetic trees used for the model fitting.</p> <p>Supplementary Dataset 13. Without <em>Thescelosaurus</em>: Results of the statistical analysis that examined effect of geological ages and enamel locations on each dental microwear texture parameter.</p> <p>Supplementary Dataset 14. Without <em>Thescelosaurus</em>: Results of statistical analyses that examined effect of geological ages and enamel locations on PC1 and PC2.</p> <p>Supplementary Dataset 15. Without Thescelosaurus: Bayes factors for the evolutionary model fitting of PC1.</p> <p>Supplementary Dataset 16. Without <em>Thescelosaurus</em>: Bayes factors for the evolutionary model fitting of Sdr.</p> <p>Supplementary Dataset 17. Without <em>Thescelosaurus</em>: Bayes factors for the evolutionary model fitting of Sha.</p> <p>Supplementary Dataset 18. Without <em>Thescelosaurus</em>: Bayes factors for the evolutionary model fitting of Sq.</p> <p>Supplementary Dataset 19. Without <em>Thescelosaurus</em>: Bayes factors for the evolutionary model fitting of Vvv.</p>
The evolution of ectomycorrhizal symbiosis in the Late Cretaceous is a key driver of explosive diversification in Agaricomycetes
<p>Ectomycorrhizal (EcM) symbiosis is one of the most ubiquitous and important plant–microbe interactions in forest ecosystems. Coevolutionary interactions often create new ecological opportunities for explosive diversification. It remains unclear why the evolution of EcM fungi did not necessarily increase ecological opportunities for explosive diversification. This study aims to reveal the driving mechanism of the explosive diversification in the fungal class Agaricomycetes, specifically by testing whether the evolution of EcM symbiosis in the Late Cretaceous increased ecological opportunities. Molecular phylogenies of Agaricomycetes inferred from fragments of 89 single-copy genes indicate that the unidirectional evolution of EcM symbiosis occurred multiple times, ranging in date from the early Triassic to the early Paleogene. However, five analyses for estimating net diversification rates (speciation rates minus extinction rates) suggest that the explosive diversification occurred only at the stem EcM fungal clades diverging in the late Cretaceous, coinciding with the rapid diversification of EcM angiosperms. The present findings suggest that the evolution of EcM symbiosis, supposedly with coevolving EcM angiosperms, in the Late Cretaceous was the key drive of the explosive diversification in Agaricomycetes.</p>
Evolutionary stasis, ecophenotypy, and environmental controls on ammonite morphology in the Late Cretaceous (Maastrichtian) Western Interior Seaway, USA
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Data from: A new fossil marine lizard with soft tissues from the Late Cretaceous of Southern Italy
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Data from: Ontogenetic trajectories of septal spacing and shell shape in the Late Cretaceous gaudryceratid ammonoids: implications for their post-embryonic palaeoecology
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A new Unenlagiinae (Theropoda: Dromaeosauridae) from the Late Cretaceous of Brazil
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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.