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73 results for “Oligo-Miocene”
Fig. 2 in Dwarfism and feeding behaviours in Oligo-Miocene crocodiles from Riversleigh, northwestern Queensland, Australia
Fig. 2. Vertebrae of mekosuchine crocodile Mekosuchus whitehunterensis Willis, 1997; White Hunter Site, Riversleigh World Heritage Area, northwestern Queensland, Australia; late Oligocene. A. Axis vertebra (QM F56039). B. Third cervical vertebra (QM F56040). C. Fourth cervical vertebra (QM F56041). D. Sixth cervical vertebra (QM F56042). E. Ninth cervical vertebra (QM F56043). F. Third thoracic vertebra (QM F56321). G. Third cervical vertebra (QM F56320). H. Eighth cervical vertebra (QM F56322). Arrows indicate extent of the neurocentral suture; left (A1–H1) and right (A2–H2) views.
Fig. 3 in Dwarfism and feeding behaviours in Oligo-Miocene crocodiles from Riversleigh, northwestern Queensland, Australia
Fig. 3. Vertebral morphology of mekosuchine crocodile Mekosuchus whitehunterensis Willis, 1997 (A, C, E) from White Hunter Site, Riversleigh World Heritage Area, northwestern Queensland, Australia, late Oligocene compared with Crocodylus johnstoni Krefft, 1873 (B, D, F) from upper Herbert River, northeastern Queensland, Australia, late Pleistocene– Holocene. Axis vertebrae (A, QM F56039; B, AR 17683). Third cervical vertebrae (C, QM F56040; D, AR 17683). Eighth cervical vertebrae (E, QM F56322; F, AR 17683). All in left view.
Fig. 1 in Dwarfism and feeding behaviours in Oligo-Miocene crocodiles from Riversleigh, northwestern Queensland, Australia
Fig. 1. Rostra of mekosuchine crocodile Mekosuchus whitehunterensis Willis, 1997; White Hunter Site, Riversleigh World Heritage Area, northwestern Queensland, Australia; late Oligocene. A. Left maxilla (QM F56046) in buccal (A1) and ventral (A2) views. B. Left dentary (QM F 56047) in lingual (B1), dorsal (B2), and buccal (B3) views.
FIGURE 23 in A new Oligo-Miocene dolphin from New Zealand: Otekaikea huata expands diversity of the early Platanistoide
FIGURE 23. The original distribution of type elements, OU 22306, Otekaikea huata. Top, line art based on tracing of bone outlines as uncovered during preparation. Bottom, partly prepared field jacket with bones partly exposed. Andrew Grebneff is holding loose teeth. Photo © R. Ewan Fordyce.
FIGURE 22 in A new Oligo-Miocene dolphin from New Zealand: Otekaikea huata expands diversity of the early Platanistoide
FIGURE 22. Close-up photo of the intra-premaxillary foramen of 1, Otekaikea huata and the posterior accessory foramen of 2, Monodon monoceros and 3, Delphinapterus leucas. Figures are not to scale. Fr, frontal. Ma, maxilla. Na, nasal. Pmax, premaxilla.
FIGURE 20 in A new Oligo-Miocene dolphin from New Zealand: Otekaikea huata expands diversity of the early Platanistoide
FIGURE 20. The type forelimb bones, OU 22306, Otekaikea huata. 1, right scapula in medial view. 2, right scapula in distal view. 3, left scapula in lateral view. 4, left scapula in distal view. 5-8, right humerus. 5, posterior view. 6, medial view. 7, anterior view. 8, proximal view. 9, carpus. 10, ulna in posterior view.
FIGURE 21 in A new Oligo-Miocene dolphin from New Zealand: Otekaikea huata expands diversity of the early Platanistoide
FIGURE 21. Phylogenetic analysis of Otekaikea huata and the Odontoceti. Top, strict consensus tree of equally weighted analysis 1 with decay index values shown. This figure shows simplified cladograms, with species in the more-diverse families crown-ward of Papahu merged for ease of illustrating. Complete trees are provided in Appendices 7 and 8. Bottom, strict consensus tree of implied weighted analysis 2 with decay index labeled. Synapomorphies for some nodes are: Platanistoidea (sensu lato), Characters 59, 169, 186, 195, 196, 212; Platanistoidea (sensu stricto), Characters 166, 167, 175, 288, 291.
FIGURE 19 in A new Oligo-Miocene dolphin from New Zealand: Otekaikea huata expands diversity of the early Platanistoide
FIGURE 19. The type right forelimb bones in lateral view, OU 22306, Otekaikea huata. 1, right scapula. 2, humerus. 3, ulna. 4, radius.
FIGURE 16 in A new Oligo-Miocene dolphin from New Zealand: Otekaikea huata expands diversity of the early Platanistoide
FIGURE 16. The type thoracic and lumbar vertebrae, OU 22306, Otekaikea huata. 1-3, anterior view of three thoracic vertebrae. 4 and 5, a posterior thoracic vertebra, anterior and left lateral views. 6, lumbar vertebrae from anterior view.
FIGURE 14 in A new Oligo-Miocene dolphin from New Zealand: Otekaikea huata expands diversity of the early Platanistoide
FIGURE 14. The type mandible, OU 22306, Otekaikea huata. 1, anterior view. 2, left lateral view. 3, dorsal view. 4, mandibular symphysis in dorsal view. 5, posterior view. 6, ventral view. 7, anterior end in ventral view. 8, right lateral view.
FIGURE 13 in A new Oligo-Miocene dolphin from New Zealand: Otekaikea huata expands diversity of the early Platanistoide
FIGURE 13. Key features of the type tympanoperiotics. OU 22306, Otekaikea huata. 1-6, right periotic. 7 and 8, sigmoid process of left bulla. 1, medial view. 2, lateral view. 3, ventral view. 4, dorsal view. 5, posterior view. 6, anterior view. 7, ventral view. 8, posterior view.
FIGURE 12 in A new Oligo-Miocene dolphin from New Zealand: Otekaikea huata expands diversity of the early Platanistoide
FIGURE 12. The type tympanoperiotics. OU 22306, Otekaikea huata. 1-6, right periotic. 7 and 8, sigmoid process of left bulla. 1, medial view. 2, lateral view. 3, ventral view. 4, dorsal view. 5, posterior view. 6, anterior view. 7, ventral view. 8, posterior view.
FIGURE 11 in A new Oligo-Miocene dolphin from New Zealand: Otekaikea huata expands diversity of the early Platanistoide
FIGURE 11. Periotic in original position in the right squamosal, ventral view, OU 22306, Otekaikea huata.
FIGURE 10 in A new Oligo-Miocene dolphin from New Zealand: Otekaikea huata expands diversity of the early Platanistoide
FIGURE 10. The type teeth, OU 22306, Otekaikea huata. Scales vary as indicated, depending on specimen size. 1 and 2, largest incisor. 1, worn surface view. 2, lateral view. 3 and 4, two long tusks, showing worn surface. 5 and 6, two medium teeth. 7-9, single rooted smaller medium teeth. 10-12, buccolingually flattened teeth. 13 and 14, tooth with small denticles. 13, buccal view. 14, lingual view.
FIGURE 2 in A new Oligo-Miocene dolphin from New Zealand: Otekaikea huata expands diversity of the early Platanistoide
FIGURE 2. Dorsal views of the type skull, OU 22306, Otekaikea huata (1 and 2). 3, dorsolateral view, figure is not to scale.
FIGURE 1 in A new Oligo-Miocene dolphin from New Zealand: Otekaikea huata expands diversity of the early Platanistoide
FIGURE 1. Locality map and stratigraphic sections of the Otekaikea huata type locality. Arrow shows type locality. Foraminiferal zonation and geochronology are based on Graham et al. (2000).
FIGURE 7 in A new Oligo-Miocene dolphin from New Zealand: Otekaikea huata expands diversity of the early Platanistoide
FIGURE 7. Disarticulated rostral elements, OU 22306, Otekaikea huata. 1, dorsal view. 2, left premaxilla lateral view. 3, right premaxilla lateral view. 4, ventral view. 5 and 6, detailed photos of the premaxilla.
FIGURE 9 in A new Oligo-Miocene dolphin from New Zealand: Otekaikea huata expands diversity of the early Platanistoide
FIGURE 9. Details of right basicranium part, OU 22306, Otekaikea huata. 1 and 2, ventral view. 3 and 4, ventrolateral view. Ali, alisphenoid. Bo, basioccipital. Bs, basisphenoid. Pa, parietal. Vo, vomer.
Fig. 1 in Pheidole praehistorica sp. nov., a new addition to spiny ants of the genus Pheidole Westwood, 1839 (Formicidae, Myrmicinae) from Oligo-Miocene Mexican amber
Fig. 1. Pheidole praehistorica sp. nov. A–C. Holotype (CPAL.464). A. Profile view. B. Frontal view. C. Closer lateral view of the head and mesosoma. D. Paratype (CPAL.465), latero-frontal view of the head. E. Paratype (CPAL.468), profile view. Abbreviations: acl = antennal club; an = antenna; cly = clypeus; ey = eyes; fl = foreleg; ga = gaster; ha = hairs on clypeus; hd = head; hl = hind leg; mn = mandible; nck = neck; p = petiole; pn = pronotum; pns = pronotal spine; pp = postpetiole; pps = propodeal spine; sc = scape.
Fig. 3 in Pheidole praehistorica sp. nov., a new addition to spiny ants of the genus Pheidole Westwood, 1839 (Formicidae, Myrmicinae) from Oligo-Miocene Mexican amber
Fig. 3. The phylogenetic status of Pheidole praehistorica sp. nov. among fossil and extant congeners inferred from the list of characters (Supp. file 1: Table S1) and the data matrix (Supp. file 1: Table S2), shows the twenty-eight morphological characters to construct the most parsimonious tree. The numbers above the white and black dots represent morphological characters, and the numbers below represent the character encoding. Black dots represent synapomorphies, and white dots represent homoplasies. † represents fossil species from Dominican and Mexican amber. Consistency index = 0.52; retention index = 0.65.
ScienceDex guides
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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.