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340 results for “Late Oligocene”
Figure 3. A in A giant rhinocerotoid (Mammalia, Perissodactyla) from the Late Oligocene of north-central Anatolia (Turkey)
Figure 3. A, Paraceratherium sp. Right radius, proximal end (GK-2-2) in anterior view. Locus 2, Gözükizilli (Çankiri- Çorum Basin, Central Anatolia, Turkey); B, Paraceratherium transouralicum. Right radius, detail of the proximal end (AMNH 26166) in anterior view, after Granger & Gregory (1936: 43, fig. 24). Scale bar = 10 cm.
Figure 1 in A giant rhinocerotoid (Mammalia, Perissodactyla) from the Late Oligocene of north-central Anatolia (Turkey)
Figure 1. Location map of Late Oligocene mammal localities and sections from the Kizilirmak Fm. (Çankiri-Çorum Basin, north central Anatolia, Turkey). A, map of Turkey; B, location of Kizilirmak, Gözükizilli and other cities; C, geological sketch map of the Gözükizilli area. GK-1, Gözükizilli-1 (Lower Mbr); GK-2, Gözükizilli-2 (Lower Mbr); Kizilirmak (Upper Mbr); Tepe 641 (Upper Mbr). In B and C, the coordinates are UTM.
Figure 3 in New remains of a gavialoid crocodilian from the late Oligocene-early Miocene of the Pirabas Formation, Brazil
Figure 3. Reconstruction of the mandibular symphysis of Gavialoid indet., MPEG 1130-V.
Figure 4 in New remains of a gavialoid crocodilian from the late Oligocene-early Miocene of the Pirabas Formation, Brazil
Figure 4. Gavialoid indet., right lateral portion of mandible, MPEG 1010-V, in lateral view.
Figure A1. M1 in Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution
Figure A1. M1 mesio-distal (m-d) length and labiolingual (l-l) width during three different wear stages (lingual aperture, enclosed (isolated) fossette, featureless), in mm.
Figure 13 in Late Oligocene mesotheriids (Mammalia, Notoungulata) from Salla and Lacayani (Bolivia): implications for basal mesotheriid phylogeny and distribution
Figure 13. Deciduous upper cheek teeth of Trachytherus alloxus. A, left maxillary with dP2–4, MNHN-BOL-V 005275. B, left maxillary with dP2–3, SAL 187. Scale bar = 1 cm.
FIGURE 21 in Fossil Bibionidae (Diptera: Bibionomorpha) from the late Oligocene of Bes-Konak, Anatolia, Turkey
FIGURE 21. Penthetria beskonakensis sp.n., male, holotype (MHNH BK 223 8C).
FIGURE 7 in Fossil Bibionidae (Diptera: Bibionomorpha) from the late Oligocene of Bes-Konak, Anatolia, Turkey
FIGURE 7. Bibio anatolicus sp.n., female, habitus (MNHN B 47789).
FIGURE 15 in Fossil Bibionidae (Diptera: Bibionomorpha) from the late Oligocene of Bes-Konak, Anatolia, Turkey
FIGURE 15. Bibio nigricosta sp.n., male, holotype (MHNH BK 450).
Fig. 16 in New large-bodied mammals from the late Oligocene site of Chilga, Ethiopia
Fig. 16. Dental specimens of Chilga elephantoids, cf. Gomphotherium sp. nov. A. Right m2, CH25−V−12a, in lingual (A1) and occlusal (A2, A3) views. B. Partial right m3, CH14−V−14, in buccal (B1) and occlusal (B2, B3) views. Anterior is to the left. Broken areas indicated by dotted lines. Scale bars 1 cm.
Fig. 15 in New large-bodied mammals from the late Oligocene site of Chilga, Ethiopia
Fig. 15. Dental specimens of Chilga elephantoids, cf. Gomphotherium sp. nov. A. Right p4, CH25−3, in lingual (A1) and occlusal (A2, A3) views. B. Right P4, CH25−V−12c, in occlusal view. Anterior is to the left. Scale bars 1 cm.
Fig. 14 in New large-bodied mammals from the late Oligocene site of Chilga, Ethiopia
Fig. 14. Dental specimens of Chilga palaeomastodonts, aff. Palaeomastodon. A. Right M3, CH35−V−23, aff. Palaeomastodon sp. nov. A. in occlusal view. B. Right M3, CH14−11, aff. Palaeomastodon sp. nov. B. Original specimen in buccal (B1) and occlusal (B2) views; note step fractures and separation of crown segments, indicated by dotted lines. Reconstructed cast specimen in occlusal view (B3, B4). Anterior is to the left. Broken areas indicated by dotted lines. Scale bar 1 cm.
Fig. 8 in New large-bodied mammals from the late Oligocene site of Chilga, Ethiopia
Fig. 8. Dental specimens of Phiomia major sp. nov. Anterior is to the left. A. Left P4, CH4−2, in lingual (A1) and occlusal (A2, A3) views. B. Left M2, CH9−1, in occlusal view. C. Right I2, CH17−1, part of holotype, in medial (C1) and lateral (reversed) (C2) views.
Fig. 2 in New large-bodied mammals from the late Oligocene site of Chilga, Ethiopia
Fig. 2. Diagram of the Chilga stratigraphic section. The section has more than 90 m of volcanics at its base that are overlain by at least 130 m of fluvial and alluvial sediments. Stepwise alternating−field demagnetization was carried out on 118 samples with generally three samples per stratigraphic level. Paleomagnetic reversal stratigraphy demonstrates a dominance of normal polarity, and an 40Ar/39Ar age of 27.36 ± 0.11 Ma for a tuff in the upper portion of the sedimentary sequence at about 165 m provides an absolute tie point to Chron C9n (27.946−27.004 Ma). Small arrows to the far right of the geomagnetic polarity time scale of Cande and Kent (1995) represent "tiny wiggles," and the two brief reversal events within Chron 9 may be present at Chilga, providing additional but more indirect support for this correlation. Together these data suggest that this section is probably limited to the duration of this Chron (<1 Myr). Vertebrate−bearing horizons (V) occur primarily through the middle part of the section.
Fig. 11 in New large-bodied mammals from the late Oligocene site of Chilga, Ethiopia
Fig. 11. Phiomia major sp. nov., parts of holotype, CH17−1. A. Mandibular symphysis and right i2 projecting from alveolus, in dorsal view. B. Left i2 in medial (reversed) view. Anterior is to the left. Scale bar 3 cm.
Fig. 4 in New large-bodied mammals from the late Oligocene site of Chilga, Ethiopia
Fig. 4. Cheek teeth of Chilgatherium harrisi sp. nov. A. Right P3, CH9−22, in buccal (A1, A2) and occlusal (A3, A4) views. B. Right M3, CH35−1, in buccal (B1) and occlusal (B2, B3) views. Anterior is to the left. Scale bars 1 cm.
Data from: The early history of Annonaceae (Magnoliales) in Southeast Asia suggests floristic exchange between India and Pan-Indochina by the late Oligocene
Open the record for dataset details and reuse information.
Southern High Latitude Temperature Proxies from the Late Eocene and Early Oligocene
<p>Dataset of proxy records utilized in Comparison of Southern High Latitude Temperature Proxies to Model Outputs from the Eocene-Oligocene Transition by Tibbett et al., 2022</p>
Figure 5. Gavialoid indet., MPEG 608-V in New remains of a gavialoid crocodilian from the late Oligocene-early Miocene of the Pirabas Formation, Brazil
Figure 5. Gavialoid indet., MPEG 608-V. Anterior and lateroventral view (A, A1, respectively) of the articular region of a left mandible; isolated tooth, MPEG 116-V (B); isolated tooth, MPEG 1129-V (C). MPEG 609-V; right lateral view of incomplete fifth cervical vertebra, MPEG 609-V (D). Abbreviations: gf, fossa glenoid; s, surangular; sas, surangular-articular suture; rap, retroarticular process.
Figure 8 in A redescription and re-evaluation of Kekenodon onamata (Mammalia: Cetacea), a late-surviving archaeocete from the Late Oligocene of New Zealand
Figure 8. Double-rooted teeth of Kekenodon onamata (NMNZ Ma 306) in labial (left) and lingual (right) view. A, presumed right p2. B, presumed right P3. C, presumed right p3. D, presumed left P4. E, presumed left p4. F, presumed left M1. G, presumed right m1. H, partial crown of lower postcanine – possibly right m2. Solid lines indicate crown inflation. Dotted lines indicate attritional and abrasional tooth wear.
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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.