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”
FIGURE 58 in LARGE SCAPHITID AMMONITES (HOPLOSCAPHITES) FROM THE UPPER CRETACEOUS (UPPER CAMPANIAN–LOWER MAASTRICHTIAN) OF NORTH AMERICA: ENDLESS VARIATION ON A SINGLE THEME
FIGURE 58. Hoploscaphites plenus (Meek and Hayden, 1860), microconchs. A–D. AMNH 105896, AMNH loc. 3921, lower Baculites baculus Zone, Pierre Shale, Cedar Creek Anticline, east-central Montana. A, Right lateral; B, apertural; C, ventral. D, left lateral. E–H. AMNH 135983, AMNH loc. 3921, Baculites baculus or lower B. grandis Zone, Pierre Shale, Cedar Creek Anticline, east-central Montana. E, Right lateral; F, apertural; G, ventral; H, left lateral. I–L. YPM 35597, YPM loc. 1503, Baculites baculus or lower B. grandis Zone, Pierre Shale, Wibaux (= Mingusville), Montana. I, Right lateral; J, apertural; K, ventral; L, left lateral. Arrow indicates the base of the body chamber.
FIGURE 66. Hoploscaphites peterseni, macroconch. A–D in LARGE SCAPHITID AMMONITES (HOPLOSCAPHITES) FROM THE UPPER CRETACEOUS (UPPER CAMPANIAN–LOWER MAASTRICHTIAN) OF NORTH AMERICA: ENDLESS VARIATION ON A SINGLE THEME
FIGURE 66. Hoploscaphites peterseni, macroconch. A–D. ANSP IP 33699, locality unknown, but probably from the Pierre Shale, Cedar Creek Anticline, east-central Montana. A, Right lateral; B, apertural; C, ventral; D, left lateral. Arrow indicates the base of the body chamber.
FIGURE 61 in LARGE SCAPHITID AMMONITES (HOPLOSCAPHITES) FROM THE UPPER CRETACEOUS (UPPER CAMPANIAN–LOWER MAASTRICHTIAN) OF NORTH AMERICA: ENDLESS VARIATION ON A SINGLE THEME
FIGURE 61. Hoploscaphites peterseni, macroconch, paratype. A–D. AMNH 41294 (formerly AMNH 165), Baculites baculus or lower B. grandis Zone, Pierre Shale, Dawson County, Montana. A, Right lateral; B, apertural; C, ventral; D, left lateral. Arrow indicates the base of the body chamber.
FIGURE 44 in LARGE SCAPHITID AMMONITES (HOPLOSCAPHITES) FROM THE UPPER CRETACEOUS (UPPER CAMPANIAN–LOWER MAASTRICHTIAN) OF NORTH AMERICA: ENDLESS VARIATION ON A SINGLE THEME
FIGURE 44. Hoploscaphites plenus (Meek and Hayden, 1860), macroconch. A–D. AMNH 105910, AMNH loc. 3921, upper Baculites baculus Zone, Pierre Shale, Cedar Creek Anticline, east-central Montana. A, Right lateral; B, apertural; C, ventral; D, left lateral. Arrow indicates the base of the body chamber.
FIGURE 42 in LARGE SCAPHITID AMMONITES (HOPLOSCAPHITES) FROM THE UPPER CRETACEOUS (UPPER CAMPANIAN–LOWER MAASTRICHTIAN) OF NORTH AMERICA: ENDLESS VARIATION ON A SINGLE THEME
FIGURE 42. Hoploscaphites plenus (Meek and Hayden, 1860), macroconch. A–D. USNM 364, cast of holotype, unknown locality, but probably Baculites baculus or lower B. grandis Zone, Pierre Shale, Cedar Creek Anticline, east-central Montana. A, Right lateral; B, apertural; C, ventral; D, left lateral. Arrow indicates the base of the body chamber.
FIGURE 16 in LARGE SCAPHITID AMMONITES (HOPLOSCAPHITES) FROM THE UPPER CRETACEOUS (UPPER CAMPANIAN–LOWER MAASTRICHTIAN) OF NORTH AMERICA: ENDLESS VARIATION ON A SINGLE THEME
FIGURE 16. Hoploscaphites crassus (Coryell and Salmon, 1934), macroconch. A–D. AMNH 76341, small specimen, AMNH loc. 3921, Baculites baculus or lower B. grandis zones, Pierre Shale, Cedar Creek Anticline, east-central Montana. A, Right lateral; B, apertural; C, ventral; D, left lateral. Arrow indicates the base of the body chamber.
FIGURE 15 in LARGE SCAPHITID AMMONITES (HOPLOSCAPHITES) FROM THE UPPER CRETACEOUS (UPPER CAMPANIAN–LOWER MAASTRICHTIAN) OF NORTH AMERICA: ENDLESS VARIATION ON A SINGLE THEME
FIGURE 15. Hoploscaphites crassus (Coryell and Salmon, 1934), macroconch. A, B. AMNH 134699, macroconch with microconch attached, AMNH loc. 3921, lower Baculites baculus Zone, Pierre Shale, Cedar Creek Anticline, east-central Montana. A, Left lateral; B, ventral. Arrow indicates the base of the body chamber.
FIGURE 13 in LARGE SCAPHITID AMMONITES (HOPLOSCAPHITES) FROM THE UPPER CRETACEOUS (UPPER CAMPANIAN–LOWER MAASTRICHTIAN) OF NORTH AMERICA: ENDLESS VARIATION ON A SINGLE THEME
FIGURE 13. Hoploscaphites crassus (Coryell and Salmon, 1934), macroconch. A–D. AMNH 95774 (= formerly AMNH 24234), holotype, Baculites baculus Zone, Pierre Shale, Cedar Creek Anticline, east-central Montana. A, Right lateral; B, apertural; C, ventral; D, left lateral. Arrow indicates the base of the body chamber.
FIGURE 6 in LARGE SCAPHITID AMMONITES (HOPLOSCAPHITES) FROM THE UPPER CRETACEOUS (UPPER CAMPANIAN–LOWER MAASTRICHTIAN) OF NORTH AMERICA: ENDLESS VARIATION ON A SINGLE THEME
FIGURE 6. Petrographic thin sections of a bedded sandstone concretion from the base of the Baculites baculus Zone of the Pierre Shale, Dawson County, Montana. A. Upper part of the concretion. B. Upper-middle part of the concretion, showing a possible fecal pellet (center). C. Lower-middle part of the concretion. D. Cluster of ferruginous grains in dark-field view from the lower-middle part of the concretion. E, F. Mud from the lowest part of the concretion. Scale bar = 200 µ.
FIGURE 17 in LARGE SCAPHITID AMMONITES (HOPLOSCAPHITES) FROM THE UPPER CRETACEOUS (UPPER CAMPANIAN–LOWER MAASTRICHTIAN) OF NORTH AMERICA: ENDLESS VARIATION ON A SINGLE THEME
FIGURE 17. Hoploscaphites crassus (Coryell and Salmon, 1934), macroconch. A–D. YPM 35609, YPM loc. A4778, lower Baculites baculus Zone, Pierre Shale, Niobrara County, Wyoming. A, Right lateral; B, apertural; C, ventral; D, left lateral. Arrow indicates the base of the body chamber.
FIG. 2 in A medium-sized robust-necked azhdarchid pterosaur (Pterodactyloidea: Azhdarchidae) from the Maastrichtian of Pui (Haţeg Basin, Transylvania, Romania)
FIG. 2. Photographs of LPV (FGGUB) R.2395, almost complete cervical four from Pui, Haţeg basin, in anterior (A), dorsal (B), posterior (C), lateral (D), left lateral, inverted, (E) and right lateral (F) views.
FIG. 5 in Albanerpetontid Amphibians from the Upper Cretaceous (Campanian and Maastrichtian) of North America
FIG. 5. — Premaxillae of Albanerpeton nexuosus Estes, 1981, Campanian and Maastrichtian (Aquilan to Lancian in age), North American Western Interior; A-C, UALVP 16206, fused and nearly complete premaxillae; A, labial view; B, lingual view; C, occlusal view; D, E, UALVP 39955, nearly complete left premaxilla; D, lingual view; E, lateral and slightly dorsal view; F, UALVP 39971, fused premaxillae missing most of right side, occlusal view; G, UALVP 39960, left premaxilla, occlusal view; H, UALVP 39969, left premaxilla broken transversely across pars dorsalis, dorsal view showing dorsal openings of palatal and unnamed foramina in floor of suprapalatal pit; I, OMNH 25345, incomplete left premaxilla, labial view; J, OMNH 60238, incomplete left premaxilla, lingual and slightly ventral view; K, UCM 38713, incomplete left premaxilla, lingual view. Provenances: A-H, UALVP specimens, Milk River Formation, lower Campanian (i.e. Aquilan in age), Alberta; I, J, OMNH specimens, Aguja Formation, middle Campanian (i.e. Judithian in age), Texas; K, UCM specimen, Laramie Formation, upper Maastrichtian (i.e. Lancian in age), Colorado. Arrows: 1, palatal foramen; 2, unnamed foramen in junction between pars palatinum and pars dentalis. Scale bar: 1 mm.
Fig. 21 in The lambeosaurine dinosaur Amurosaurus riabinini, from the Maastrichtian of Far Eastern Russia
Fig. 21. Stratigraphically−calibrated cladogram of phylogenetic relationships of Lambeosaurinae, including Amurosaurus. Solid symbols indicate stratigraphical occurrence of a taxon, whereas hatched symbols indicate ghost lineages. Asian taxa are underlined. Dates are millions of years before present.
Fig. 16. Amurosaurus riabinini. A in The lambeosaurine dinosaur Amurosaurus riabinini, from the Maastrichtian of Far Eastern Russia
Fig. 16. Amurosaurus riabinini. A. Left tibia (AEHM 1/969) in lateral (A1), cranial (A2), medial (A3) and caudal (A4) views. B. Left fibula (AEHM 1/266) in medial (B1) and lateral (B2) views.
Fig. 11 in The lambeosaurine dinosaur Amurosaurus riabinini, from the Maastrichtian of Far Eastern Russia
Fig. 11. Left dentary of Amurosaurus riabininini (AEHM 1/12) in medial (A, C) and lateral (B, D) views.
Fig. 2 in The lambeosaurine dinosaur Amurosaurus riabinini, from the Maastrichtian of Far Eastern Russia
Fig. 2. Stratigraphic section of the dinosaur locality at Blagoveschensk. Abbreviation: K2Maa2, Udurchukan Formation (Maastrichtian).
Fig. 13. Amurosaurus riabinini. A in The lambeosaurine dinosaur Amurosaurus riabinini, from the Maastrichtian of Far Eastern Russia
Fig. 13. Amurosaurus riabinini. A. Right coracoid (AEHM 1/271) in cranial view. B. Right sternum (AEHM 1/272) in caudal view. C. Left scapula (AEHM 1/273) in ventral (C1) and lateral (C2) views.
Fig. 18 in The lambeosaurine dinosaur Amurosaurus riabinini, from the Maastrichtian of Far Eastern Russia
Fig. 18. Skeletal reconstruction of Amurosaurus riabinini Bolotsky and Kurzanov, 1991. Black elements are not preserved in the available material.
Fig. 17. Amurosaurus riabinini. A in The lambeosaurine dinosaur Amurosaurus riabinini, from the Maastrichtian of Far Eastern Russia
Fig. 17. Amurosaurus riabinini. A. Left astragalus (AEHM 1/274) in dorsal (A1) and cranial (A2) views. B. Right metatarsal IV (AEHM 1/286) in dorsal (B1) and medial (B2) views. C. Right metatarsal III (AEHM 1/285) in dorsal (C1) and medial (C2) views. D. Left metatarsal II (AEHM 1/284; mirror image) in dorsal (D) and medial (D) views. E. Right 4th proximal phalanx (AEHM 1/294) in lateral (E) and dorsal (E) views. F. Right 3rd proximal phalanx 1 2 1 2 (AEHM 1/283) in dorsal (F) and medial (F) views. G. Right 2nd proximal phalanx (AEHM 1/292) in dorsal (G) ans medial (G) views.
Elasmosaurid phylogeny and paleobiogeography, with a reappraisal of Aphrosaurus furlongi from the Maastrichtian of the Moreno Formation
Open the record for dataset details and reuse information.
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.