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340 results for “Late Oligocene”
Figure 3 in Fossil frogs (Eleutherodactylidae: Eleutherodactylus) from Florida suggest overwater dispersal from the Caribbean by the Late Oligocene
Figure 3. Images derived from microCT scans of fossil humeri and radioulna of Eleutherodactylus from Florida with anatomical nomenclature. A, left humerus (reflected, UF-VP-501328) in lateral (first column), ventral (second column), medial (third column), and dorsal (fourth column) views; B, right humerus (UF-VP-501310), broken proximally, in lateral (first column), ventral (second column), medial (third column), and dorsal (fourth column) views; C, right radioulna (UF-VP-501323), broken distally, in proximal (first column), medial (second column), ventral (third column), lateral (fourth column), and dorsal (fifth column) views. Anatomical abbreviations: cap, capitulum; cra, crista radialis; hh, humeral head; lsu, longitudinal sulcus; ocs, olecranon scar; olc, olecranon; rad, radius; rep, radial epicondyle; uln, ulna; upe, ulnar epicondyle.
Figure 6 in Fossil frogs (Eleutherodactylidae: Eleutherodactylus) from Florida suggest overwater dispersal from the Caribbean by the Late Oligocene
Figure 6. Extant and fossil distribution of the genus Eleutherodactylus. Distribution of the five extant subgenera [distribution data of extant species from IUCN Red List under the search term Eleutherodactylus (IUCN 2019)], and fossil occurrences of the genus (references for fossil occurrences in the Supporting Information, Table S7).
Figure 2 in New remains of a gavialoid crocodilian from the late Oligocene-early Miocene of the Pirabas Formation, Brazil
Figure 2. Gavialoid indet., partial symphyseal portion of mandible, MPEG 1130-V: A, ventral view and A1, schematic ventral view; B, lingual view and B1 schematic ventral view; C, right lateral view.
Figure 1 in New remains of a gavialoid crocodilian from the late Oligocene-early Miocene of the Pirabas Formation, Brazil
Figure 1. Summary map of the study region in north-east South America, showing the localities discussed in the text.
FIGURE 8–14 in Fossil Bibionidae (Diptera: Bibionomorpha) from the late Oligocene of Bes-Konak, Anatolia, Turkey
FIGURE 8–14. Bibio anatolicus sp.n., female. 8 head (MNHN BK 223). 9. antenna (MNHN B 47906). 10. fore tibia (MNHN BK 223). 11. hind leg (MNHN BK 223). 12. wing (MNHN B 47789). 13. terminalia, dorsal view (MNHN B 47789). 14. terminalia, lateral view (MNHN B 47906). Scale = 1mm.
FIGURE 22–28 in Fossil Bibionidae (Diptera: Bibionomorpha) from the late Oligocene of Bes-Konak, Anatolia, Turkey
FIGURE 22–28. Penthetria beskonakensis sp.n. 22. male, wing (MNHN B 47593). 23. male, terminalia, dorsal view (MNHN BK 223 8C). 24. female, habitus (MNHN B 47793). 25. female, head and thorax (MNHN B 47981). 26. female, antenna (MNHN BK 614). 27. female, wing (MNHN BK 614). 28. female, terminalia (MNHN BK 614). Scale = 1mm.
FIGURE 16–20 in Fossil Bibionidae (Diptera: Bibionomorpha) from the late Oligocene of Bes-Konak, Anatolia, Turkey
FIGURE 16–20. Bibio nigricosta sp.n., male. 16. hind leg (MNHN BK 450). 17. wing. (MNHN BK 450) Position of crossvein m-cu not possible to ascertain in this specimen. 18. terminalia, dorsal view (MNHN BK 450). 19. habitus (MNHN B 47847). 20. female (?), wing (MNHN B 47961). Scale = 1mm
FIGURE 2–6 in Fossil Bibionidae (Diptera: Bibionomorpha) from the late Oligocene of Bes-Konak, Anatolia, Turkey
FIGURE 2–6. Bibio anatolicus sp.n., male. 2. head (MNHN B 47754). 3. hind femur and tibia (MNHN B 48011). 4. wing (MNHN B 47826). 5. terminalia, dorsal view (MNHN B 47890). 6. gonocoxosternite, ventral view (MNHN B 47826). Scale = 1mm.
Figure 7 in A redescription and re-evaluation of Kekenodon onamata (Mammalia: Cetacea), a late-surviving archaeocete from the Late Oligocene of New Zealand
Figure 7. Single-rooted teeth of Kekenodon onamata (NMNZ Ma 306) in labial (left) and lingual (right) view. A, isolated root of a presumed incisor or canine. B, presumed incisor or canine. C, presumed left C1. D, presumed right c1. E, presumed left p1.
Figure 6 in A redescription and re-evaluation of Kekenodon onamata (Mammalia: Cetacea), a late-surviving archaeocete from the Late Oligocene of New Zealand
Figure 6. Left tympanic bulla of Kekenodon onamata (NMNZ Ma 306). Specimen whitened with ammonium chloride. A, medial view. B, lateral view. C, dorsal view. D, ventral view. E, anterior view. F, posterior view.
Figure 5 in A redescription and re-evaluation of Kekenodon onamata (Mammalia: Cetacea), a late-surviving archaeocete from the Late Oligocene of New Zealand
Figure 5. Left stapes of Kekenodon onamata (NMNZ Ma 306). A, lateral view. B, medial view. C, ventral view. D, dorsal view.
Figure 2 in A redescription and re-evaluation of Kekenodon onamata (Mammalia: Cetacea), a late-surviving archaeocete from the Late Oligocene of New Zealand
Figure 2. Geographic and geologic context of the holotype locality of Kekenodon onamata. A, map of South Island of New Zealand. B, map of the North Otago and Southern Canterbury districts. The star located in the upper left at Wharekuri Creek denotes the approximate type locality of the Kekenodon onamata holotype (NMNZ Ma 306). C, Generalized stratigraphic column of the K. onamata type locality in the Waitaki Valley near the junction of the Wharekuri Creek and Waitaki River, modified from McKay (1882a, b), Marwick (1959), and Fordyce and Watson (1998). Abbreviations: EM, earthquakes' marl; Ld, Landon series, Duntroonian Stage; Lw, Landon series Waitakian Stage; Lwh, Landon series Whaingaroan Stage.
Figure 11 in A redescription and re-evaluation of Kekenodon onamata (Mammalia: Cetacea), a late-surviving archaeocete from the Late Oligocene of New Zealand
Figure 11. Phylogenetic relationships of Kekenodon onamata. A, single most-parsimonious tree recovered under equal weighting. B, strict consensus of three equally most-parsimonious trees recovered under implied weighting (K = 3). OU 22100 is an undescribed basilosaurid from New Zealand designated Zygorhiza sp. Branch support shown as GC frequency values.
Figure 4 in A redescription and re-evaluation of Kekenodon onamata (Mammalia: Cetacea), a late-surviving archaeocete from the Late Oligocene of New Zealand
Figure 4. Left periotic of Kekenodon onamata (NMNZ Ma 306). Specimen whitened with ammonium chloride. A, ventral view. B, dorsal view. C, medial view. D, lateral view. E, anterior view. F, posterior view.
Figure 3 in A redescription and re-evaluation of Kekenodon onamata (Mammalia: Cetacea), a late-surviving archaeocete from the Late Oligocene of New Zealand
Figure 3. Right frontal of Kekenodon onamata (NMNZ Ma 306). A, dorsal view. B, ventral view. Specimen whitened with sublimated ammonium chloride.
Figure 10 in A redescription and re-evaluation of Kekenodon onamata (Mammalia: Cetacea), a late-surviving archaeocete from the Late Oligocene of New Zealand
Figure 10. Partial crown of a possible left p2 of Kekenodon cf. K. onamata (AUGD 2469) in presumed labial (left) and lingual (right) view. Specimen whitened with ammonium chloride.
Figure 9 in A redescription and re-evaluation of Kekenodon onamata (Mammalia: Cetacea), a late-surviving archaeocete from the Late Oligocene of New Zealand
Figure 9. Atlas of Kekenodon onamata (NMNZ Ma 306). A, anterior view. B, posterior view. Specimen whitened with ammonium chloride.
Figure 1 in A redescription and re-evaluation of Kekenodon onamata (Mammalia: Cetacea), a late-surviving archaeocete from the Late Oligocene of New Zealand
Figure 1. Lithograph of the material collected by Alexander McKay in November 1880 comprising the holotype of Kekenodon onamata (NMNZ Ma 306). Image reproduced from Hector (1881).
Data for CSJin et al., 2023, PNAS, " Tectonic and orbital forcing of the South Asian monsoon in central Tibet during the late Oligocene"
<p>This zip file contains data presented in the PNAS paper “Tectonic and orbital forcing of the South Asian monsoon in central Tibet during the late Oligocene” by Jin et al., 2023. There are 7 Excel files for Figure 2, 3, 4, S4, S11, S13 and S14 of the paper, respectively.</p>
Supplementary information for: A new tiny fossil penguin from the Late Oligocene of New Zealand and the morphofunctional transition of the penguin wing
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