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.
441
datasets available to search
ShareScore release 0.9.0
Dataset results
441 results for “Maastrichtian”
Fig. 3 in New vertebrate microfossils expand the diversity of the chondrichthyan and actinopterygian fauna of the Maastrichtian-Danian Hornerstown Formation in New Jersey
Fig. 3. Exemplar actinopterygian scutes (A, B) and teeth (C–I) recovered from the Cretaceous–Paleogene lower Hornerstown Formation at the Jean and Ric Edelman Fossil Park in Mantua Township, New Jersey, USA. A, B. Aulopiform teleost Dercetidae gen. et sp. indet., RU-EFP-02490 (A) and RU- EFP-00228-1 (B), in dorsal (A1, B1) and lateral (A2, B2) views. C. Phyllodontid elopiform Phyllodus paulkatoi Estes & Hiatt, 1978 (RU-EFP-04165-1) in occlusal (C1) and lateral (C2) views. D. Phyllodontid elopiform Paralbula marylandica Blake, 1940 (RU-EFP-00228-2) in occlusal (D1) and lateral (D2) views. E. Saurodontid ichthyodectiform Saurocephalus lanciformis Harlan, 1824 (RU-EFP-04151) in labial (E1) and lingual (E2) views. F, G. Enchodontid aulopiform Enchodus gladiolus (Cope, 1872). F. RU-EFP-04157-1 in lateral view. G. RU-EFP-02188 in lateral (G1) and basal (G1) views. H. Lepisosteid lepisosteiform Atractosteus sp. (RU-EFP-02939) in labial (H1) and mesial or distal (H2) views. I. Pycnodontid pycnodontiform Anomoeodus phaseolus (Hay, 1899) (RU-EFP-02858) in lateral view.
Fig. 2 in New vertebrate microfossils expand the diversity of the chondrichthyan and actinopterygian fauna of the Maastrichtian-Danian Hornerstown Formation in New Jersey
Fig. 2. Chondrichthyan ichthyoliths from the Cretaceous–Paleogene lower Hornerstown Formation at the Jean and Ric Edelman Fossil Park in Mantua Township, New Jersey, USA. Anterolateral (A, I, K) and lateral (C–H) teeth, mandibular toothplate (B), and spine (J). A. Triakid carchariniform Palaeogaleus vincenti (Daimeries, 1888) (RU-EFP-04145) in labial (A1) and lingual (A2) views. B. Callorhynchid chimaeriform Ischyodus bifurcatus (Case, 1978) (RU-EFP-03717) in oral (B1) and labial (B2) views. C. Hexanchid Heptranchias howellii (Reed, 1946) (RU-EFP-04139) in labial (C1) and lingual (C2) views. D. Hexanchid Hexanchus sp. (RU-EFP-02633) in labial (D1) and lingual (D2) views. E, F. Hexanchid Notidanodon brotzeni (Siverson, 1995), RU-EFP-04141 (E) and RU-EFP-03586 (F) in labial (E1, F1) and lingual (E2, F2) views. G. Hexanchid Weltonia ancistrodon (Arambourg, 1952) (RU-EFP-04142) in labial (G1) and lingual (G2) views. H. Pseudocoracid lamniform Pseudocorax affinis (Münster in Agassiz, 1843) (RU-EFP-02832) in labial (H1) and lingual (H2) views. I, J. Squalid Squalus sp. I. RU-EFP-02582 in lateral view. J. RU-EFP-00157-7 in labial (J1) and lingual (J2) views. K. Orthacodontid synechodontiform Sphenodus lundgreni (Davis, 1890) (RU-EFP-02913) in labial (K1), lingual (K2), mesial or distal (K3), occlusal (K4), and basal (K5) views.
Fig. 6 in New Late Cretaceous microvertebrate assemblage from the Campanian-Maastrichtian Williams Fork Formation, northwestern Colorado, USA, and its paleoenvironmental implications
Fig. 6. Representative reptile (A–C, E) and amphibian (D) teeth from the J&M site, Colorado, USA, Williams Fork Formation, Campanian–Maastrichtian, Upper Cretaceous. A–C. cf. Brachychampsa sp. A. MWC 9577, gracile morph tooth crown in lateral (A1) and occlusal (A2) views. B. MWC 9578, robust morph tooth crown in lateral (B1) and occlusal (B2) views. C. MWC 9579, robust morph tooth crown in lateral (C1) and occlusal (C2) views. D. Tetrapoda indet., MWC 8877, jaw fragment with teeth in lateral (D1) and occlusal (D2) views. E. Peneteius sp., MWC 8871, tooth crown with root in mesial (E1), lateral (E2), and occlusal (E3) views.
Fig. 8. Representative mammalian teeth from the J&M in New Late Cretaceous microvertebrate assemblage from the Campanian-Maastrichtian Williams Fork Formation, northwestern Colorado, USA, and its paleoenvironmental implications
Fig. 8. Representative mammalian teeth from the J&M site, Colorado, USA, Williams Fork Formation, Campanian–Maastrichtian, Upper Cretaceous. A. Meniscoessus sp., MWC 8848, incisor crown in labial (A1) and lingual (A1) views. B. Multituberculata indet., MWC 8863, tooth crown in occlusal (B1), lingual (B2), and distal (B3) views. C. cf. Cimolodon nitidus Marsh, 1889, MWC 8860, left p4 tooth crown in occlusal (C1), labial (C2), and lingual (C3) views. D.?Leptalestes cooki (Clemens, 1966), MWC 8859, tooth crown in occlusal (D1), labial (D2), and lingual (D3) views.
Fig. 3. Representative non-batoid chondrichthyans from the J&M in New Late Cretaceous microvertebrate assemblage from the Campanian-Maastrichtian Williams Fork Formation, northwestern Colorado, USA, and its paleoenvironmental implications
Fig. 3. Representative non-batoid chondrichthyans from the J&M site, Colorado, USA, Williams Fork Formation, Campanian–Maastrichtian, Upper Cretaceous. A–D. Lonchidion griffisi Case, 1987. A. MWC 8851, tooth crown in labial (A1) and occlusal (A2) views. B. MWC 9580, fragmentary tooth crown in labial (B1) and occlusal (B2) views. C. MWC 9581, fragmentary tooth crown in lingual (C1), labial (C2), and occlusal (C3) views. D. MWC 9582, fragmentary tooth crown in labial (D1) and occlusal (D2) views. E, F. Cantioscyllium markaguntensis Kirkland, Eaton, and Brinkman, 2013. E. MWC 8866, tooth crown in labial (E1) and occlusal (E2) views. F. MWC 9586, tooth crown in labial (F1) and lingual (F2) views. G, H. cf. Chilloscyllium sp. G. MWC 8850, morph 1 tooth crown in mesial (G1) and labial (G2) views. H. MWC 9576, morph 2 tooth crown in mesial (H1) and labial (H2) views. I . Hybodontoidea gen. et sp. indet., MWC 9800, dorsal fin spine in lateral view.
Fig. 5. Representative osteichthyan teeth from the J&M in New Late Cretaceous microvertebrate assemblage from the Campanian-Maastrichtian Williams Fork Formation, northwestern Colorado, USA, and its paleoenvironmental implications
Fig. 5. Representative osteichthyan teeth from the J&M site, Colorado, USA, Williams Fork Formation, Campanian–Maastrichtian, Upper Cretaceous. A, E. Paralbula casei Estes, 1969b. A. MWC 8855, tooth crown in occlusal (A1), basal (A2), and mesial (A3) views. E. MWC 8856, tooth crown in occlusal view. B. cf. Melvius sp., MWC 8867, tooth crown in labial view. C. Pycnodontiformes gen. et sp. indet., MWC 8873, tooth plate fragment in occlusal (C) view. D. Actinopterygii indet., MWC 8867, tooth crown in lateral (D) view. F. Dipnoi indet., MWC 8885, toothplate fragment in lateral view.
Fig. 7. Representative theropod dinosaur teeth from the J&M in New Late Cretaceous microvertebrate assemblage from the Campanian-Maastrichtian Williams Fork Formation, northwestern Colorado, USA, and its paleoenvironmental implications
Fig. 7. Representative theropod dinosaur teeth from the J&M site, Colorado, USA, Williams Fork Formation, Campanian–Maastrichtian, Upper Cretaceous. A. cf. Richardoestesia sp., MWC 8865, tooth crown in labial view (A1), mesial (A2) and distal (A3) serration detail views. B. Dromaeosauridae indet., MWC 8872, tooth crown fragment in lingual (B1), distal (B2) and mesial (B3) serration detail views. C. Hadrosauridae indet., MWC 8896, tooth crown in occlusal (C1) and lateral (C2) views.
Fig. 1 in New Late Cretaceous microvertebrate assemblage from the Campanian-Maastrichtian Williams Fork Formation, northwestern Colorado, USA, and its paleoenvironmental implications
Fig. 1. Index maps showing the location of the J&M site in northwestern Colorado. A. Shaded relief map of the western United States highlighting Colorado. B. The position of the study area in northwestern Colorado. C. Digital elevation model of the study area, star denotes location of the J&M site. Precise locality data on file at MWC (see text).
Fig. 1. A in First known gigantic sea turtle from the Maastrichtian deposits in Egypt
Fig. 1. A. Location map of the south Western Desert of Egypt (star). B. Geologic map of the studied area at Abu Minqar.
Fig. 4 in First known gigantic sea turtle from the Maastrichtian deposits in Egypt
Fig. 4. Left humerus (NVP010) of panchelonioidean turtle, from Maastrichtian, Abu Minqar, southern Western Desert of Egypt. Photograps (A) and explanatory drawings (B), in anterior (A1, B1), dorsal (A2, B2), posterior (A3, B3), ventral (A4, B4), distal (A5, B5), and proximal (A6, B6) views.
Fig. 3. A in First known gigantic sea turtle from the Maastrichtian deposits in Egypt
Fig. 3. A. General view of Qaret Selmi, north Abu Minqar, showing the Dakhla and Tarawan formations. B. The fossiliferous siltstone and sandstone layer, showing bioturbations or enormous concentrations of ammonites (e.g., Baculites sp.), bivalves (e.g., Exogyra overwagi, Pycnodonta vesicularis, pectinids), gastropods, echinoids, corals, fossilized fruits of mangrove palm (Nypa) and vertebrate remains.
Fig. 2 in First known gigantic sea turtle from the Maastrichtian deposits in Egypt
Fig. 2. Stratigraphic section of Qaret Selmi, north Abu Miqar village, showing the Maastrichtian–Paleocene successions of Dakhla Formation.
Fig. 4 in Maastrichtian Larger Benthic Foraminifera From The Arabian Plate Sensu Lato: New Data From Somalia, Turkey, And Iran
Fig. 4 Larger benthic foraminifera from the Maastrichtian of Iran (Tarbur Fm.: a-b, d, f), Turkey (Garzan Fm.: c), Qatar (Simsima Formation: e). a-c Canalispina iapygia Robles-Salcedo et al. (a-b, Fasa section; c from Çoruh et al., 1997, pl. 76, fig. 3 as Siderolites calcitrapoides). d-f Dictyoconella complanata Henson (d, f Naghan section, e from Henson, 1948, pl. 10, fig. 14). T = Tarburina zagrosiana Schlagintweit & Rashidi in f. m.t. = marginal trough in e and d.
Fig. 6 in Maastrichtian Larger Benthic Foraminifera From The Arabian Plate Sensu Lato: New Data From Somalia, Turkey, And Iran
Fig. 6 Pseudedomia hamaouii Rahaghi from the Campanian (Lopha Limestone Member: b), and upper Maastrichtian of Iran (Tarbur Formation: a, d), and Somalia (Auradu Formation: c). a Bioclastic packstone with P. hamaouii Rahaghi, Siderolites calcitrapoides Lamarck (S), and Omphalocyclus macroporus Lamarck (O); Fasa section. b from Rahaghi (1976, pl. 1, fig. 11). c from Luger (2018, pl. 16, fig. 10 as Pseudedomia sp.). d Fasa section.
Fig. 7 in Maastrichtian Larger Benthic Foraminifera From The Arabian Plate Sensu Lato: New Data From Somalia, Turkey, And Iran
Fig. 7 Pseudorbitolina schroederi Luger from the Maastrichtian of Somalia (Auradu Formation, a-b), and Iran (Tarbur Formation, c-d). a, b from Luger (2018, pl.7, figs. 7-8; holotype in 7), c-d from Naghan section (d from Schlagintweit et al. (2016b, fig. 11c as Pseudorbitolina marthae).
Fig. 3 in Maastrichtian Larger Benthic Foraminifera From The Arabian Plate Sensu Lato: New Data From Somalia, Turkey, And Iran
Fig. 3 Larger benthic foraminifera from the Maastrichtian of Iran (Tarbur Fm.: a, d, f-h, j-k, m-n, p-t), Somalia (Auradu Formation: b-c, e, l, o), and Turkey (Garzan Fm.: i). a-b Accordiella? tarburensis Schlagintweit & Rashidi (a from Schlagintweit and Rashidi, 2016, fig. 6a, holotype, Mandegan section; b from Luger, 2018, pl. 13, fig. 6 as Dukhania? cherchii, holotype). c, g Dictyoconus bakhtiari Schlagintweit, Rashidi & Babadipour (c from Schlagintweit et al., 2016b, fig. 10b, Naghan section; g from Luger (2018, pl. 6, fig. 4 as Dictyoconus sp. 1). d, e-f, h Gyroconulina columellifera Schroeder & Darmoian (e from Luger, 2018, pl. 7, fig. 3; d from Schlagintweit et al., 2016a, fig. 4k, Mandegan section; f, h Naghan section). i–n Gen. et sp. indet. (i from Çoruh et al., 1997, pl. 76, fig. 5 as Dictyoconella complanata; l from Luger, 2018, pl. F-2, fig. 9 as Antalyna korayi; j-k, m-n Naghan section). o–t Antalyna korayi Farinacci & Köylüoğlu (o from Luger, 2018, pl. F-2, fig. 10; p-t Naghan section).
Fig. 2 in Maastrichtian Larger Benthic Foraminifera From The Arabian Plate Sensu Lato: New Data From Somalia, Turkey, And Iran
Fig. 2 Above: Subdivison of the Maastrichtian stage: comparison of different used substages and biostratigraphic use of selected larger benthic foraminifera. Examples: Loftusia minor (acc. to Meriç and Görmüş, 2001), Siderolitidae (acc. to Robles-Salcedo et al., 2018, 2019), and relationship to biozonation of Wynd (1965) (modified herein). Below: Example of the Palaeoelphidium multiscissuratum subzone (new name) of the Omphalocyclus-Loftusia assemblage zone sensu Wynd (1965), upper Maastrichtian Tarbur Formation, SW Iran. Loftusia sp. in the middle with agglutinated test of Palaeoelphidium multiscissuratum (Smout) (detail from Luger, 2018, pl. 26, fig. 10, illustrated as Laffiteina aff. jaskii Rahaghi), and Omphalocyclus (O).
Fig. 1 in Maastrichtian Larger Benthic Foraminifera From The Arabian Plate Sensu Lato: New Data From Somalia, Turkey, And Iran
Fig. 1 Distribution of Maastrichtian shallow-water carbonates along the margins of the northern Arabic and northeastern African plates (modified from Scotese, 2001). For lithostratigraphy and distribution see Barrier and Vrielynck, 2008).
Fig. 7 Broeckinella hensoni n in Broeckinella Hensoni N. Sp., A New Larger Benthic Foraminifera From The Upper Maastrichtian Of Iran And A Revision Of The Genus Broeckinella Henson, 1948
Fig. 7 Broeckinella hensoni n. sp., upper Maastrichtian Tarbur Formation of the Naghan section, Zagros Zone, SW Iran. a, c Subaxial sections. Specimen shown in A displays more than 40 chambers in the uncoiled adult part. d Detail from c showing initial coiled part. e Oblique equatorial section. f Slightly oblique equatorial section showing flabelliform test morphology (test diameter: ~6.6 mm). Thin-sections: 2NG 153 (a), 2NGN (b, f), 2NG 38 (c–d), NG 197-1 (e). Scale bars 1.0 mm.
Fig. 6 in Broeckinella Hensoni N. Sp., A New Larger Benthic Foraminifera From The Upper Maastrichtian Of Iran And A Revision Of The Genus Broeckinella Henson, 1948
Fig. 6 Broeckinella arabica Henson, upper Maastrichtian Tarbur Formation of the Mandegan (a, d) and Naghan sections (b– c, e–f), Zagros Zone, SW Iran. a, c–d Oblique equatorial sections, partly fragmentary, in some parts crossing the subepidermal network (e.g., a and left side of d). Note the undivided central part of the chambers in c. b Tangential section in the plane with only main partitions aligned between subsequent chambers (= zone 2 in Henson 1948; see Fig. 6a). e–f Oblique sections. Note initial planispiral part in the megalospheric specimen in e passing the proloculus (arrow). Note also the chambers undivided in the central part in e. Thin-sections: Rt 104 (a), NG 42-1 (b), NG 21 (c), Rt 85 (d), 2NG 49 (e), 2NG 112 (f). Scale bars 0.5 mm.
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.