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.
5,108
datasets available to search
ShareScore release 0.7.1
Dataset results
5,108 results for “North America”
Fig. 47 in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 47. Hoploscaphites nodosus (Owen, 1852), macroconchs, Baculites compressus–B. cuneatus zones. A, B. BHI 4787, robust but with fine ribbing, Meade County, Pierre Shale, South Dakota. A. Right lateral;
Fig. 42 in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 42. Plot of the ratio of whorl width to height (W/H) at seven points on the adult shell of Hoploscaphites nodosus (Owen, 1852) from J whorl adapical of the long axis (1) to the aperture (7), as
Fig. 38 in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 38. Plot of septal angle versus apertural angle in macroconchs of Hoploscaphites nodosus (Owen, 1852) and H. brevis (Meek, 1876). The apertural angle is higher in specimens in which the last septum falls below the line of maximum length. This suggests that the two angles covary such that the aperture achieved a preferred orientation at maturity irrespective of the position of the last septum. Estimates are excluded. A. Hoploscaphites nodosus (Owen, 1852). (The smallest macroconch of H. nodosus [USNM 536270] is excluded). B. Hoploscaphites brevis (Meek, 1876). C. Total sample of Hoploscaphites nodosus and H. brevis.
Fig. 37 in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 37. Hoploscaphites nodosus (Owen, 1852), macroconchs, lethal injuries with chunks of shell missing from the adapical part of the body chamber (areas enclosed in brackets in lateral views, arrows in ventral views). Despite the removal of large pieces of shell, the specimens are otherwise intact. A, B. BHI 4287a, Baculites cuneatus Zone, Pierre Shale, Meade County, South Dakota. A. Right lateral; B. ventral. C, D. USNM 536234, USGS Mesozoic loc. D5034, Pierre Shale, Baculites compressus Zone, Larimer County, Colorado. C. Right lateral; D. ventral. Specimens are illustrated natural size.
Fig. 32. A in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 32. A. Plot of LMAX/H4 versus LMAX/H2 in macroconchs of Hoploscaphites nodosus (Owen, 1852) and H. brevis (Meek, 1876), Pierre Shale and Bearpaw Shale, Baculites compressus–B. cuneatus zones. B. Plot of LMAX/H4 versus apertural angle in macroconchs of Hoploscaphites nodosus and H. brevis, Pierre Shale and Bearpaw Shale, Baculites compressus–B. cuneatus zones.
Fig. 33. A in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 33. A. Plot of W1/H1 versus V4/H4 in microconchs of Hoploscaphites nodosus (Owen, 1852) and H. brevis (Meek, 1876), Pierre Shale and Bearpaw Shale, Baculites compressus–B. cuneatus zones. B. Plot of V4/W4 versus V4/H4 in microconchs of Hoploscaphites nodosus and H. brevis, Pierre Shale and Bearpaw Shale, Baculites compressus–B. cuneatus zones.
Fig. 30 in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 30. Size-frequency histograms of Hoploscaphites nodosus (Owen, 1852) and H. brevis (Meek, 1876), Pierre Shale and Bearpaw Shale, Baculites compressus–B. cuneatus zones. A. Size-frequency histogram of the microconchs in the combined sample of H. nodosus and H. brevis. B. Size-frequency histogram of H. nodosus microconchs. The arrow represents the microconch corresponding to the holotype of Scaphites nodosus (0.83 3 101.5 mm 5 84.6 mm). C. Size-frequency histogram of H. brevis microconchs. The three arrows represent, from left to right, the holotype of Hoploscaphites landesi Riccardi, 1983
Fig. 29 in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 29. Jaws of Hoploscaphites. A, B. Lower jaw near the aperture of Hoploscaphites brevis (Meek, 1876), small microconch, BHI 4264, Baculites compressus Zone, Pierre Shale, Meade County, South Dakota. A. Ventral view of the lower jaw, splayed out in the aperture, anterior direction of the jaw toward
Fig. 51 in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 51. Hoploscaphites nodosus (Owen, 1852), macroconchs. A, B. USNM 536218, USGS Mesozoic loc. 22182, Bearpaw Shale, Baculites cuneatus–B. reesidei zones, Fergus County, Montana. A. Ventral; B. left lateral. C, D. USNM 315704, uncoated, said to be from the ''Yellowstone River, 150 mi above river mouth, Montana,'' but more probably from the Pierre Shale, Pennington County, South Dakota. C. Ventral; D. left lateral. Specimens are illustrated natural size.
Fig. 28 in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 28. Septal approximation at maturity in Hoploscaphites nodosus (Owen, 1852) and H. brevis (Meek, 1876). A, B. H. nodosus, macroconchs. A. YPM 35598, YPM loc. C3347, Pierre Shale, Belle Fourche River, South Dakota. Septal approximation occurs over one chamber and is relatively weak (the interseptal distance of the last chamber is 65% that of the last ''normal'' chamber). This specimen also exhibits a marked pathology due to an injury, which probably explains the large variation in septal
Fig. 41 in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 41. Size-frequency histogram of Hoploscaphites nodosus (Owen, 1852), Pierre Shale and Bearpaw Shale, Baculites compressus–B. cuneatus zones, based on the samples in tables 3 and 5, including additional unnumbered specimens in the BHI collections.
Fig. 58 in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 58. Scaphites from the Oacoma Member, Baculites compressus Zone, Pierre Shale, east-central South Dakota. A–C. Hoploscaphites brevis (Meek, 1876), macroconchs. A, B. USNM 536268, USGS Mesozoic loc. D13686, Buffalo County. A. Ventral; B. left lateral. C. USNM 536269, left lateral, USGS Mesozoic loc. D13583, Lyman County. D–F. Hoploscaphites nodosus (Owen, 1852), macroconchs. D.
Fig. 27 in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 27. Hoploscaphites brevis (Meek, 1876) from a single concretion (Concretion S), AMNH loc. 3274, Pierre Shale, Baculites compressus–B. cuneatus zones, Meade County, South Dakota (continuation of fig. 26), containing a mixture of macroconchs and microconchs. A–D. Small microconch, AMNH 58514. A. Right lateral; B. apertural; C. ventral; D. left lateral. E–F. Large, coarsely ornamented macroconch, AMNH 58516. Note the small scaphite in the aperture. E. Right lateral; F. apertural. Specimens are illustrated natural size.
Fig. 62 in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 62. Hoploscaphites nodosus (Owen, 1852), large microconch, BHI 4222, uncoated, Baculites compressus Zone, Pierre Shale, Meade County, South Dakota. A. Right lateral; B. apertural; C. ventral; D. left lateral. The shell on the phragmocone was removed to expose the sutures. Specimen is illustrated natural size.
Fig. 24. A in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 24. A. Plot of H4/H2 versus H4/H6 in Hoploscaphites nodosus (Owen, 1852). B. Plot of H4/H2 versus H4/H6 in H. brevis (Meek, 1876). In each species, the two dimorphs appear as distinct clusters with some overlap between them.
Fig. 26 in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 26. Hoploscaphites brevis (Meek, 1876) from a single concretion (Concretion S), AMNH loc. 3274, Pierre Shale, Baculites compressus–B. cuneatus zones, Meade County, South Dakota. A–C. Small microconch, AMNH 58518. A. Right lateral; B. apertural; C. left lateral. D, E. Small macroconch, AMNH 58517. D. Apertural; E. left lateral. F–I. Small macroconch, AMNH 58515. F. Right lateral; G. apertural; H. ventral; I. left lateral. Specimens are illustrated natural size.
Fig. 23. A in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 23. A. Plot of LMAX (mm) versus UDP (mm) in Hoploscaphites nodosus (Owen, 1852) reveals a cluster of microconchs on the upper left and a cluster of macroconchs on the lower right. B. Plot of UDP (mm) versus UDL (mm) in Hoploscaphites nodosus (Owen, 1852) distinguishes the two dimorphs mainly on the basis of UDP.
Fig. 21 in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 21. Sutures in Hoploscaphites nodosus (Owen, 1852) and H. brevis (Meek, 1876). A. Hoploscaphites brevis (Meek, 1876), macroconch, third from last suture, BHI 7034, Pierre Shale, Baculites cuneatus Zone, Pennington County, South Dakota. B. Hoploscaphites brevis (Meek, 1876), macroconch, next to last suture, BHI 4205, Baculites compressus Zone, Pierre Shale, Meade County, South Dakota. C. Hoploscaphites nodosus (Owen, 1852), microconch, fourth from last suture, USNM 536232, USGS Mesozoic loc. 21224, Bearpaw Shale, Big Horn County, Montana. D. Hoploscaphites nodosus (Owen,
Fig. 61 in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 61. Sutures of Hoploscaphites nodosus (Owen, 1852). A. YPM 35593, macroconch, next to last suture, YPM loc. C3346, Pierre Shale, locality unknown. B. BHI 4222, microconch, third from last suture, Baculites compressus Zone, Pierre Shale, Meade County, South Dakota. C. AMNH 56880, juvenile, last suture, WH 5 16.2 mm, AMNH loc. 3274, Baculites compressus–B. cuneatus zones, Pierre Shale, Meade County, South Dakota. Abbreviations: x 5 tubercle; E 5 ventral lobe; E/L 5 first lateral saddle between ventral and lateral lobes; L 5 lateral lobe.
Fig. 19 in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 19. Spacing of ventrolateral tubercles on the adult shells of Hoploscaphites nodosus (Owen, 1852) and H. brevis (Meek, 1876). A. Hoploscaphites brevis (Meek, 1876), large macroconch, BHI 4790, Baculites compressus–B. cuneatus zones, Pierre Shale, Meade County, South Dakota. B. Hoploscaphites nodosus (Owen, 1852), large microconch, BHI 4222, Baculites compressus Zone, Pierre Shale, Meade County, South Dakota. C. Hoploscaphites nodosus (Owen, 1852), large macroconch, BHI 4216, Baculites
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.