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.
1,817
datasets available to search
ShareScore release 0.7.1
Dataset results
1,817 results for “Late Cretaceous”
Fig. 30 in Jaws of Late Cretaceous Placenticeratid Ammonites: How Preservation Affects the Interpretation of Morphology
Fig. 30. Diagramatic reconstructions of the upper and lower jaws of placenticeratid ammonites (see fig. 2 for orientation and terminology). A. Dorsal view of the upper jaw. B. Ventral view of the upper jaw. C. Ventral view of the lower jaw with thin calcitic aptychi (dotted area). D. Ventral view of the
Fig. 1 in Jaws of Late Cretaceous Placenticeratid Ammonites: How Preservation Affects the Interpretation of Morphology
Fig. 1. Map of parts of the United States and Canada showing the localities of the jaws described in the text.
Fig. 14 in Jaws of Late Cretaceous Placenticeratid Ammonites: How Preservation Affects the Interpretation of Morphology
Fig. 14. Lower and upper (?) jaws of Placenticeras meeki Böhm, 1898, or Placenticeras costatum Hyatt, 1903, UWO.KMC.100125, Baculites cuneatus Zone, Bearpaw Shale, Welling, Alberta, Canada. The lower jaw shows a bilobate posterior margin (toward bottom of photo). The left arrow indicates the position of the apex of the lower jaw. The right arrow indicates a fragment of the upper jaw (?), 31.
Fig. 10 in Jaws of Late Cretaceous Placenticeratid Ammonites: How Preservation Affects the Interpretation of Morphology
Fig. 10. Drawing of the anterior end of TMP 87.119.19 (see fig. 9) showing the thickened area of black material along the margin, with narrow ridges oriented perpendicular to the edge. Texture as defined in figure 4.
Fig. 34 in Jaws of Late Cretaceous Placenticeratid Ammonites: How Preservation Affects the Interpretation of Morphology
Fig. 34. Upper jaw attributed to Neogastroplites americanus (Reeside and Weymouth, 1931) var. A Reeside and Cobban, 1960, USNM 129547, Mowry Shale, Park County, Wyoming. A. Ventral view, anterior end on right, 31. B. Closeup of anterior end, 33.
Fig. 13 in Jaws of Late Cretaceous Placenticeratid Ammonites: How Preservation Affects the Interpretation of Morphology
Fig. 13. Drawing of TMP 99.84.2 (see fig. 12) showing the anterior area. Texture as defined in figure 4.
Fig. 9 in Jaws of Late Cretaceous Placenticeratid Ammonites: How Preservation Affects the Interpretation of Morphology
Fig. 9. Lower jaw of Placenticeras meeki Böhm, 1898, or Placenticeras costatum Hyatt, 1903, TMP 87.119.19, Baculites cuneatus Zone, Bearpaw Shale, Welling, Alberta, Canada, ventral view, anterior end on top. A. Overview showing diverging ridges on the anterior end. The arrow indicates the position of the apex, 31. B. Closeup of the anterior end with a median slit at the apex, 32.9.
Fig. 33 in Jaws of Late Cretaceous Placenticeratid Ammonites: How Preservation Affects the Interpretation of Morphology
Fig. 33. Lower jaws attributed to Neogastroplites americanus (Reeside and Weymouth, 1931) var. A Reeside and Cobban, 1960, USNM 129546, Mowry Shale, Park County, Wyoming. A. Closeup of the anterior end (negative half of the specimen), 33. B. Overall view of chunk with two lower jaws. The jaw on the left is illustrated in A, 31.
Fig. 7 in Jaws of Late Cretaceous Placenticeratid Ammonites: How Preservation Affects the Interpretation of Morphology
Fig. 7. Closeup of the anterior end of AMNH 47277 (see fig. 6). A. Coated. B. Uncoated. The arrow indicates the edge of the outer lamella, 33.
Fig. 24. Placenticeras costatum Hyatt, 1903 in Jaws of Late Cretaceous Placenticeratid Ammonites: How Preservation Affects the Interpretation of Morphology
Fig. 24. Placenticeras costatum Hyatt, 1903, with lower jaw (right arrow) in body chamber, USNM 529075, U.S. Geological Survey loc. D1353, Baculites cuneatus Zone, Pierre Shale, Grand County, Colorado. The left arrow indicates the base of the body chamber, 31.
Fig. 29. A,B in Jaws of Late Cretaceous Placenticeratid Ammonites: How Preservation Affects the Interpretation of Morphology
Fig. 29. A,B. Calcitic layer on the ventral side of the outer lamella of the lower jaw of UMUT MM28896 (see figs. 26E–H, 27). A. The surface is marked with growth lines. B. Cross section of the calcitic layer with fibrous microstructure. C, D. Dorsal surface of the outer lamella of the lower jaw of AMNH 47277 (see figs. 6, 7). C. The surface exhibits a network of small irregular craters, perhaps reflecting the impression of beccublast cells. D. Closeup of C.
Fig. 28 in Jaws of Late Cretaceous Placenticeratid Ammonites: How Preservation Affects the Interpretation of Morphology
Fig. 28. Drawing of part of the anterior end of UMUT MM28897 (see fig. 26A–D) showing the ridges paralleling the posterior margin. Texture as defined in figures 4 and 27.
Fig. 23 in Jaws of Late Cretaceous Placenticeratid Ammonites: How Preservation Affects the Interpretation of Morphology
Fig. 23. Parts of upper jaws (?) of Placenticeras meeki Böhm, 1898, or Placenticeras costatum Hyatt, 1903, 31. A. AMNH 47279, Baculites reesidei Zone, Bearpaw Shale, Travers Dam, Alberta, Canada. B. AMNH 47278, Baculites cuneatus Zone, Bearpaw Shale, Welling, Alberta, Canada.
Fig. 4 in Jaws of Late Cretaceous Placenticeratid Ammonites: How Preservation Affects the Interpretation of Morphology
Fig. 4. Drawings of AMNH 47275 (see fig. 3). A. Hypothetical cross section near the apical tip. B. Closeup of the anterior end. The cross hatched area indicates coarsely crystalline black material; the lined area indicates finely crystalline yellowish material.
Fig. 22 in Jaws of Late Cretaceous Placenticeratid Ammonites: How Preservation Affects the Interpretation of Morphology
Fig. 22. Upper jaw (right arrow) and lower jaw (?)(left arrow) of Placenticeras meeki Böhm, 1898, or Placenticeras costatum Hyatt, 1903, UWO.KMC.100126, Baculites cuneatus Zone, Bearpaw Shale, Welling, Alberta, Canada. The ventral surface of the upper jaw is exposed with the anterior end on top. Most of the right wing is preserved. Part of the lower jaw (?) is visible on the left side, 31.
Fig. 19 in Jaws of Late Cretaceous Placenticeratid Ammonites: How Preservation Affects the Interpretation of Morphology
Fig. 19. Drawings of BHMNH 5454a and 5454b (see figs. 17, 18). A. Hypothetical cross section through BHMNH 5454b approximately 10 mm from the apex. The two lamellae are separated on each side of the midline. B. Closeup of the anterior end of BHMNH 5454a showing the junction of the inner and outer lamellae, which is visible due to weathering away of part of the inner lamella. Texture as defined in figure 4.
Fig. 18 in Jaws of Late Cretaceous Placenticeratid Ammonites: How Preservation Affects the Interpretation of Morphology
Fig. 18. Lower jaw of Placenticeras meeki Böhm, 1898, or Placenticeras costatum Hyatt, 1903, BHMNH 5454a (see fig. 17). A. Left lateral view with anterior end to the left. The arrow indicates the steplike feature near the anterior edge, 33. B. Overview showing the Vshaped outline (arrow) representing the margin of the outer lamella, 33.
Fig. 10 in New Araripesuchus Remains from the Early Late Cretaceous (Cenomanian-Turonian) of Patagonia
Fig. 10. Reduced strict consensus of the six most parsimonious trees obtained in the cladistic analysis using TNT (Goloboff et al., 2003). The specimen MPCAPV 236 is excluded from the consensus (small solid circles show its alternative positions within the Araripesuchus clade).
Fig. 8 in New Araripesuchus Remains from the Early Late Cretaceous (Cenomanian-Turonian) of Patagonia
Fig. 8. Lower jaw of Araripesuchus sp. MPCAPV 236 in right lateral view. See appendix 4 for abbreviations.
Fig. 7 in New Araripesuchus Remains from the Early Late Cretaceous (Cenomanian-Turonian) of Patagonia
Fig. 7. Lower jaw of Araripesuchus sp. MPCAPV 236 in ventral view. See appendix 4 for abbreviations.
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.