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Fig. 95 in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 95. Hoploscaphites brevis (Meek, 1876), large macroconchs. A, B. AMNH 46642, AMNH loc. 3207, Pierre Shale, Baculites compressus–B. cuneatus zones, Pierre Shale, Pennington County, South Dakota. A. Right lateral; B. apertural. C, D. BHI 4911a, Baculites compressus–B. cuneatus zones, Pierre Shale, Pennington County, South Dakota. C. Right lateral; D. ventral. Specimens are illustrated natural size.
Fig. 72. Dorsoventral cross section through a in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 72. Dorsoventral cross section through a slender macroconch of Hoploscaphites nodosus (Owen, 1852), AMNH 9520/2, Pierre Shale, Sage Creek, Pennington County, South Dakota. The plane of the cross section approximately coincides with the line of maximum length. A. Camera lucida of cross section of the adult shell. The stippled area demarcates the mature body chamber. B. Camera lucida of cross section of the inner whorls. C. Photo of cross section of the inner whorls. Measurements are listed in appendix 2, table 1.
Fig. 70 in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 70. Hoploscaphites nodosus (Owen, 1852), microconchs, USGS Mesozoic loc. 21224, Bearpaw Shale, near Hardin, Big Horn County, Montana. A, B. USNM 536232. A. Right lateral; B. ventral. C, D. USNM 538103. C. Right lateral; D. ventral. Specimens are illustrated natural size.
Fig. 67 in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 67. Hoploscaphites nodosus (Owen, 1852), large microconch, AMNH 58554, AMNH loc. 3409, Baculites cuneatus Zone, Pierre Shale, Meade County, South Dakota. A. Right lateral; B. apertural; C. ventral; D. left lateral. Specimen is illustrated natural size.
Fig. 53. A, B in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 53. A, B. Hoploscaphites nodosus (Owen, 1852), macroconchs. A, B. AMNH 45343, more compact and finely ribbed than holotype, AMNH loc. 3212, Baculites compressus–B. cuneatus zones, Shannon
Fig. 66 in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 66. Hoploscaphites nodosus (Owen, 1852), large microconch, AMNH 58521, Pierre Shale, Baculites compressus Zone, Meade County, South Dakota. A. Right lateral; B. apertural; C. ventral; D. left lateral. Specimen is illustrated natural size.
Fig. 59 in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 59. Scaphites, cold seep, AMNH loc. 3418, Didymoceras cheyennense Zone, Pierre Shale, Custer County, South Dakota. A–C. Hoploscaphites brevis (Meek, 1876), small microconch, AMNH 56885. A. Right lateral; B. apertural; C. ventral. D–E. Fragment of a phragmocone of Hoploscaphites nodosus
Fig. 63 in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 63. Hoploscaphites nodosus (Owen, 1852), large microconch, BHI 4710, Baculites compressus–B. cuneatus zones, Pierre Shale, Meade County, South Dakota. A. Right lateral; B. apertural; C. ventral; D. left lateral. Specimen is illustrated natural size.
Fig. 65 in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 65. Hoploscaphites nodosus (Owen, 1852), large microconch, BHI 4723, Baculites compressus–B. cuneatus zones, Pierre Shale, Pennington County, South Dakota. A. Right lateral; B. apertural; C. ventral; D. left lateral. Specimen is illustrated natural size.
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.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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DANDI Archive for NWB datasets
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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.