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191 results for “early Oligocene”
Figure 8 in An assemblage of early Oligocene lizards (Squamata) from the locality of Boutersem (Belgium), with comments on the Eocene-Oligocene transition
Figure 8. Necrosaurus sp., complete frontal, IRSNB R 249, previously BOU-AR-42-RS. 8a, dorsal view; 8b, ventral view.
Figure 6 in An assemblage of early Oligocene lizards (Squamata) from the locality of Boutersem (Belgium), with comments on the Eocene-Oligocene transition
Figure 6. Dopasia roqueprunensis, incomplete parietal, IRSNB R 247, previously BOU-AR-38-RS. 6a, dorsal view; 6b, ventral view.
Figure 5 in An assemblage of early Oligocene lizards (Squamata) from the locality of Boutersem (Belgium), with comments on the Eocene-Oligocene transition
Figure 5. Dopasia roqueprunensis, nearly complete left dentary, IRSNB R 246, previously BOU-AR-26-RS. 5a, lateral view; 5b, medial view.
Figure 1. Lacerta s.l in An assemblage of early Oligocene lizards (Squamata) from the locality of Boutersem (Belgium), with comments on the Eocene-Oligocene transition
Figure 1. Lacerta s.l. filholi, nearly complete left dentary, IRSNB R242, previously BOU-AR-27-RS. 1a, lateral view; 1b, medial view.
Figure 3 in An assemblage of early Oligocene lizards (Squamata) from the locality of Boutersem (Belgium), with comments on the Eocene-Oligocene transition
Figure 3. Scincoidea undetermined incomplete left dentary, lacking its anterior part, IRSNB R 244, previously BOU-AR-37-RS. 3a, lateral view; 3b, medial view.
Figure 10 in An assemblage of early Oligocene lizards (Squamata) from the locality of Boutersem (Belgium), with comments on the Eocene-Oligocene transition
Figure 10. Diversity and extinction of lizard groups in the late Eocene and early Oligocene of Europe.
Figure 4 in New data on the Cainotheriidae (Mammalia, Artiodactyla) from the early Oligocene of south-western France
Figure 4. Caenomeryx cf. procommunis. A & B, occlusal view. A, right P2/-P3/ (PCT 420). B, left P/2-M/2 (PCT 951). C. filholi. C & D, occlusal view. C, left P2/-P4/ (PCT 417). D, left P/2-M/1 (PCT 933). Cainotherium sp. E, left P2/-M3/ (PCT 416). Scale bar = 1 mm.
Figure 5 in New data on the Cainotheriidae (Mammalia, Artiodactyla) from the early Oligocene of south-western France
Figure 5. Chronological extension of the early Oligocene Cainotheriidae lineages. MP: Mammalian Palaeogene reference levels from Schmidt-Kittler (1987). Numerical ages follow Odin (1994).
An updated generic classification of Cenozoic pleurotomariid gastropods, with new records from the Oligocene and Early Miocene of India
Open the record for dataset details and reuse information.
Data from: Widespread loss of mammalian lineage and dietary diversity in the early Oligocene of Afro-Arabia
<p>Diverse lines of geological and geochemical evidence indicate that the Eocene-Oligocene transition (EOT) marked the onset of a global cooling phase, rapid growth of the Antarctic ice sheet, and a worldwide drop in sea level. Paleontologists have established that shifts in mammalian community structure in Europe and Asia were broadly coincident with these events, but the potential impact of early Oligocene climate change on the mammalian communities of Afro-Arabia has long been unclear. Here we employ dated phylogenies of multiple endemic Afro-Arabian mammal clades (anomaluroid and hystricognath rodents, anthropoid and strepsirrhine primates, and carnivorous hyaenodonts) to investigate lineage diversification and loss since the early Eocene. These analyses provide the first non-anecdotal evidence for widespread mammalian extinction in the early Oligocene of Afro-Arabia, with almost two-thirds of peak late Eocene diversity lost in these clades by ~30 Ma. Using homology-free dental topographic metrics, we further demonstrate that the loss of Afro-Arabian rodent and primate lineages was associated with a reduction in molar occlusal topographic disparity, suggesting a correlated loss of dietary diversity. These results raise new questions about the relative importance of global versus local influences in shaping the evolutionary trajectories of Afro-Arabia's endemic mammals during the Oligocene.</p>
Fig. 7 in A new raninoid crab (Decapoda, Brachyura, Raninidae) from the early Oligocene (late Rupelian) of Italy
Fig. 7 -?Ranina bouilleana A. Milne Edwards, 1872. MNHN R03540 (x 0.9).
Text-fig. 10. Toxicodendron herthae (UNGER) KVAČEK et WALTHER, Sf. 7476, nat. size. in Early Oligocene Flora Of Seifhennersdorf (Saxony)
Text-fig. 10. Toxicodendron herthae (UNGER) KVAČEK et WALTHER, Sf. 7476, nat. size.
Text-fig. 7. Populus zaddachii HEER, Sf. 4452, nat. size. in Early Oligocene Flora Of Seifhennersdorf (Saxony)
Text-fig. 7. Populus zaddachii HEER, Sf. 4452, nat. size.
Text-fig. 8. Dombeyopsis sp., Sf. 6000:1:2, nat. size. in Early Oligocene Flora Of Seifhennersdorf (Saxony)
Text-fig. 8. Dombeyopsis sp., Sf. 6000:1:2, nat. size.
Text-fig. 10. Protothymallus elongatus (KRAMBERGER, 1885): Weberian apparatus (UL- V3). in Revision Of The Cyprinids From The Early Oligocene Of The České Středohoří Mountains, And The Phylogenetic Relationships Of Protothymallus Laube, 1901 (Teleostei, Cyprinidae, Gobioninae)
Text-fig. 10. Protothymallus elongatus (KRAMBERGER, 1885): Weberian apparatus (UL- V3).
Text-fig. 14: Classification of the Gobioninae according to Naseka (1996). in Revision Of The Cyprinids From The Early Oligocene Of The České Středohoří Mountains, And The Phylogenetic Relationships Of Protothymallus Laube, 1901 (Teleostei, Cyprinidae, Gobioninae)
Text-fig. 14: Classification of the Gobioninae according to Naseka (1996).
Fig. 1 in Plesiosoricids from early Oligocene fissure fillings in South Germany, with remarks on plesiosoricid phylogeny
Fig. 1. Sketch map with the location of the Möhren site.
FIGURE 9 in Angiosperm pollen grains from the Cuayuca Formation (Late Eocene to Early Oligocene), Puebla, Mexico
FIGURE 9. Index taxa recovered from the Cuayuca Formation, Puebla.
Fig. 1 in Propalaeocastor (Rodentia, Mammalia) from the Early Oligocene of Burqin Basin, Xinjiang
Fig. 1. Terminology of the upper cheek tooth of Propalaeocastor.
Figure 9 in An assemblage of early Oligocene lizards (Squamata) from the locality of Boutersem (Belgium), with comments on the Eocene-Oligocene transition
Figure 9. Necrosaurus sp., osteoderm, IRSNB R 250, previously BOU-AR-28-RS, dorsal view.
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Allen Brain Atlas
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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.