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.
191
datasets available to search
ShareScore release 0.7.1
Dataset results
191 results for “early Oligocene”
Fig. 12. Elliptical reticulofenestrids from the Central Paratethys Oligocene and Early Miocene. A–K. Reticulofenestra minuta Roth, 1970 in Morphological variability of the Paratethyan Oligocene-Miocene small reticulofenestrid coccolites and its paleoecological and paleogeographical implications
Fig. 12. Elliptical reticulofenestrids from the Central Paratethys Oligocene and Early Miocene. A–K. Reticulofenestra minuta Roth, 1970, <3.5 µm, zones NN1 and NN2. A. Borehole LR−10/12 m, Zone NN2. B–D. Borehole LR−2/48 m, Zone NN1. E, F. Borehole LR−2/28 m, Zone NN2. G. Borehole FV−1/440 m, Zone NN1. H. Borehole EH−1/155 m, Zone NN2. I, J. Borehole EH−1/85 m, Zone NN2. K. Borehole EH−2/155 m, Zone NN2. L–W. Reticulofenestra minuta Roth, 1970, <3.5 µm, Zone NN5. L–N. Section Kralice, sample 4. O, P Section Kralice, sample 7. Q, R. Section Kralice, sample 10. S–U. Borehole PY−1/2.2 m. V, W. Borehole PY−1/1.5 m. X–AY. – group (4–5 µm), zones NP25–NN4. X, Y. Borehole LR−10/350 m, Zone NP25. Ą
Fig. 2 in The first complete leg of a passerine bird from the early Oligocene of Poland
Fig. 2. An unidentified passerine bird leg from SE Poland, Przysietnica, early Oligocene, circa 29 Mya (ZPALWr. A/4004). A. Main slab. B. Counter slab. C. Interpretative drawing of slab and counter slab (enlarged fragments are indicated by arrows). D. Enlarged proximal tarsometatarsus from main slab. E. Enlarged distal tarsometatarsus from main slab. F. Enlarged proximal tibiotarsus from counter slab.
Fig. 1 in The first complete leg of a passerine bird from the early Oligocene of Poland
Fig. 1. Location of the village of Przysietnica in southeastern Poland, where the specimen ZPALWr. A/4004 was found.
Fig. 3 in Plesiosoricids from early Oligocene fissure fillings in South Germany, with remarks on plesiosoricid phylogeny
Fig. 3. Strict consensus of the 96 most parsimonious trees resulting from the analysis of the data matrix given in Table 2. Only the 10 ingroup−species with character completeness of>35% are included in the analysis; 26 characters. Tree length = 33, consistency index (CI) = 0.8788, rescaled consistency index (RC) = 0.7030, CI excluding uninformative characters = 0.8000, retention index (RI) = 0.8000. Thin lines = European taxa; bold lines = North American species; dashed line = Asian species.
Fig. 2 in Plesiosoricids from early Oligocene fissure fillings in South Germany, with remarks on plesiosoricid phylogeny
Fig. 2. Plesiosoricid mammal Butselia biveri Quinet and Misonne, 1965 from the Möhren Quarry (early Oligocene, southern Germany). A. Left dentary fragment with p1 and p3–m3, in occlusal (A1) and labial (A2) views, Möhren 12, BSP XI 1971 XXX 60. B. Left p2, in occlusal (B1) and labial (B2) views, Möhren 13, BSP 1972 XI 5908. C. Left dentary fragment with p3–p4, in occlusal view, Möhren 13, BSP 1972 XI 239. D. Left p4, in occlusal (D1) and labial (D2) views, Möhren 13, BSP 1972 XI 225. E. Left dentary fragment with m1, in occlusal view, Möhren 13, BSP 1972 XI 5604. F. Left m1, in labial view, Möhren 13, BSP 1972 XI 228. G. Right m2, reversed, in occlusal (G1) and labial (G2) views, Möhren 13, BSP 1972 XI 229. H. Left m3, in occlusal view, Möhren 13, BSP 1972 XI 5909. I. Right m3, reversed, in labial view, Möhren 13, BSP 1972 XI 5599. J. Left P3, in occlusal view, Möhren 13, BSP 1972 XI 217. K. Left P4, in occlusal view, Möhren 13, BSP 1972 XI 218. L. Left M1, in occlusal view, Möhren 13, BSP 1972 XI 220. M. Left M2, a. in occlusal view, Möhren 13, BSP 1972 XI 223. N. Left M3, in occlusal view, Möhren 13, BSP 1972 XI 243.
FIGURE 8 in Angiosperm pollen grains from the Cuayuca Formation (Late Eocene to Early Oligocene), Puebla, Mexico
FIGURE 8. Paleopalynological assemblage of the Cuayuca Formation Mcy member and CONISS analysis. Sections were organized considering PAE analysis of Figure 7.
FIGURE 7 in Angiosperm pollen grains from the Cuayuca Formation (Late Eocene to Early Oligocene), Puebla, Mexico
FIGURE 7. PAE anlaysis between studied sections from the Cuayuca Formation Mcy member: second section, Izúcar de Matamoros (IzS); Tzompahuacan (Tzo); Lagunillas de Rayón (LagRay); Lagunillas (Lag); "B" section, Cuayuca (CyB); "F" section, Izúcar de Matamoros (IzF); "H" section, Izúcar de Matamoros (IzH); Principal section (CyPrincipal); "A" section (CyA).
FIGURE 1 in Angiosperm pollen grains from the Cuayuca Formation (Late Eocene to Early Oligocene), Puebla, Mexico
FIGURE 1. Location of the nine sections studied from the Cuayuca Formation, Puebla, Mexico. 1, Principal, "A" and "B" sections; 2, "F", "H" and second sections; and 3, Lagunillas, Lagunillas de Rayón and Tzompahuacan sections.
FIGURE 10 in Angiosperm pollen grains from the Cuayuca Formation (Late Eocene to Early Oligocene), Puebla, Mexico
FIGURE 10. Correlations between two outcrops from the Izucar de Matamoros (F and H sections from the El Calvario) with the stratotype sections from the Cuayuca Formation.
FIGURE 5. Angiosperm pollen grains from the Cuayuca Formation. 1 in Angiosperm pollen grains from the Cuayuca Formation (Late Eocene to Early Oligocene), Puebla, Mexico
FIGURE 5. Angiosperm pollen grains from the Cuayuca Formation. 1, Polyadopollenites sp. 2, Pb–9334(4): EF R37/ 4; 2-3, Polyadopollenites sp. 1, Pb–9340(1): 101.4/12.6; 4, Landolphia pollen type, Pb–9334(1): EF T41/1; 5, Perisyncolporites sp., Pb–9334(4): EF E44/1; 6, 10, Malpighiaceoidites sp., Pb–9334(4): EF H42/2; 7, 11, Mutisiapollis sp., Pb–8872(3): EF P33/4; 8-9, Striatricolporites sp., Pb–9336(1): EF G32/1; 12, Malvacipollis spinulosa, Pb- 9334(4): 94/7; 13, Ranunculacidites cf. communis, Pb–9334(4): EF D34/1/4; 14-15, Brosipollis sp., Pb–9334(4): EF U41/3; 16, Polyadopollenites sp. 1 Pb–9334(4): EF S39/4; 17, Tubulifloridites sp., Pb–9136(1): EF F39/4; 18, Ulmipollenites sp., Pb–9334(4): EF N40/1; 19, Thomsonipollis sabinetownensis, Pb-9334(4): 94.2/7.4; 20, Sabicea pollen type, Pb–9334(4): EF E42/1; 21, Ranunculacidites operculatus, Pb-9334(4): 101.8/7.2; 22 Rhamnaceaepollenites sp., Pb–9334(4): EF T32/2. Scale bar represents 10 µm.
FIGURE 4. Angiosperm pollen grains from the Cuayuca Formation. 1 in Angiosperm pollen grains from the Cuayuca Formation (Late Eocene to Early Oligocene), Puebla, Mexico
FIGURE 4. Angiosperm pollen grains from the Cuayuca Formation. 1, Corsinipollenites sp. 1, Pb–9334(1): EF G33/ 3; 2, Corsinipollenites sp. 3, Pb–9334(4): EF R36/1; 3, Corsinipollenites sp. 2, Pb–9334(4): EF T35/3; 4-5, Margocolporites sp., Pb–9340(1): EF N35/3; 6, Margocolporites aff. vanwijhei, Pb-9334(1'): EF T39/2; 7, Monocolpopollenites aff. texensis Nichols, Ames and Traverse 1973 Pb–8872(1A): EF W29/1; 8-9 Rhoipites sp., Pb–8890(1):101.9/17.2; 10, Lymingtonia sp., Pb–9334(4): EF S32/4; 11, Momipites tenuipolus Pb-9334(4): 101.6/12.5; 12, Momipites coryloides, Pb-9138'(1): 92.2/2.8; 13, Fabaceae pollen type 3, Pb–9334(4): EF M34/4; 14, Clavainaperturites sp., Pb– 9147(2): EF R34/2; 15, Linum pollen type, Pb–9334 (1'): EF S33/2; 16, Magnaperiporites sp., Pb–9334(4): EF R39/2; 9. Scale bar represnts 10 µm.
FIGURE 2 in Angiosperm pollen grains from the Cuayuca Formation (Late Eocene to Early Oligocene), Puebla, Mexico
FIGURE 2. Stratigraphic columns with the location of the palynological samples studied from the Cuayuca Formation, Puebla, Mexico.
FIGURE 2 in An ameghinornithid-like bird (Aves, Cariamae, ?Ameghinornithidae) from the early Oligocene of Egypt
FIGURE 2. The distal tibiotarsus of the Fayum ameghinornithid-like bird (DPC 5659). 1, Lateral view. 2, Cranial view. 3, Medial view. 4, Caudal view. 5, Distal view. Abbreviations: ep, elongate pit; es, extensor sulcus; fs, flattened spot; g, groove; is, intercondylar sulcus; lc, lateral condyle; mc, medial condyle; me, medial epicondyle; mf, medial flange of the tibial cartilage articulation; r, ridge; s, sand/sediment grains.
FIGURE 1 in An ameghinornithid-like bird (Aves, Cariamae, ?Ameghinornithidae) from the early Oligocene of Egypt
FIGURE 1. Maps showing the geographic range of fossil localities with ameghinornithid specimens (left panel; 1, Quercy, France; 2, Messel, Germany; 3, Geiseltal, Germany; 4, Fayum Depression, Egypt) and the location of the Fayum Depression in northern Egypt (right panel) where the ameghinornithid-like specimen was collected.
FIGURE 6 in Revision of so-called Pomatoschistus (Gobiiformes, Teleostei) from the late Eocene and early Oligocene
FIGURE 6. †Paralates chapelcorneri n. sp., NHMUK PV P 59785. 1. Complete specimen. 2. Region of the first dorsal fin. Arrows point from the pterygiophores to the interneural spaces into which each inserts. Pterygiophore formula = 3-2121100 The spinous rays of the first dorsal fin are marked with roman numerals. Abbreviations: 1–7 = pterygiophores, ptm = post-temporal, ns-v3–10 = neural spines of vertebrae 3–10, v2–4 = vertebral centra 2–4.
FIGURE 4 in Revision of so-called Pomatoschistus (Gobiiformes, Teleostei) from the late Eocene and early Oligocene
FIGURE 4. †Paralates bleicheri Sauvage, 1883, NMB Ruf. 18. 1. Viewed under normal light. (Photo by M. Schellenberger.) 2. Imaged with UV light. (Photo by H. Tischlinger.)
FIGURE 5 in Revision of so-called Pomatoschistus (Gobiiformes, Teleostei) from the late Eocene and early Oligocene
FIGURE 5. †Paralates chapelcorneri n. sp., NHMUK PV P 59786. 1. Skull. 2. Complete specimen. 3. Detail of opercle with cycloid scales. Abbreviations: art = anguloarticular, d = dentary, ect = ectopterygoid, f = frontal, meth = mesethmoid, mx = maxilla, op = opercle, pmx = premaxilla, pop = preopercle, q = quadrate, scl = supracleithrum.
FIGURE 7 in Revision of so-called Pomatoschistus (Gobiiformes, Teleostei) from the late Eocene and early Oligocene
FIGURE 7. †Paralates chapelcorneri n. sp., NHMUK PV P59785_counterpart. 1. Complete specimen. 2. Caudal skeleton and fin. Small Roman numerals in parentheses label unbranched, unsegmented rays, small Roman numerals indicate segmented unbranched rays, and Arabic numerals designate segmented, branched rays (after Fricke, 1983). Abbreviations: epu = epural, hpu = hemal spine of preural centrum, hy = hypural, npu = neural spine of preural centrum, phy = parhypural, pu = preural centrum, us = urostyle.
FIGURE 2 in Revision of so-called Pomatoschistus (Gobiiformes, Teleostei) from the late Eocene and early Oligocene
FIGURE 2. †Paralates bleicheri Sauvage, 1883. 1. NMB Ruf. 13_1 skull. 2. NMB Ruf. 15b (Neotype, designated by Gaudant, 1979). 3. NMB Ruf. 15a. Abbreviations: chy = ceratohyal, d = dentary, f = frontal, mx = maxilla, meth = mesethmoid, op = opercle, pmx = premaxilla, pop = preopercle, q = quadrate, sop = subopercle. (Photos by M. Schellenberger.)
FIGURE 3 in Revision of so-called Pomatoschistus (Gobiiformes, Teleostei) from the late Eocene and early Oligocene
FIGURE 3. Comparison of frontals (highlighted by the black lines). 1. †Paralates bleicheri Sauvage, 1883, NMB Ruf. 13_1 skull mirrored. (Photo by M. Schellenberger.) 2. †Paralates chapelcorneri n. sp., NHMUK PV P 59786. Same scale for both skulls.
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.