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78 results for “Hoploscaphites”
Fig. 81. Hoploscaphites aff. H in Scaphites Of The ''Nodosus Group'' From The Upper Cretaceous (Campanian) Of The Western Interior Of North America
Fig. 81. Hoploscaphites aff. H. nodosus (Owen, 1852), Coon Creek Tongue, Ripley Formation, Nostoceras (N.) hyatti Zone, Coon Creek, McNairy County, Tennessee. A, B. MPPM 1996.39.1, macroconch. A. Ventral; B. left lateral. C, D. MPPM 1996.39.3, macroconch. C. Right ventrolateral; D. ventral. These specimens are more coarsely ribbed than Hoploscaphites nodosus (Owen, 1852). Specimens are illustrated natural size.
FIGURE 77. Hoploscaphites peterseni, microconchs. A–C. AMNH 76304, AMNH loc. 3921 in LARGE SCAPHITID AMMONITES (HOPLOSCAPHITES) FROM THE UPPER CRETACEOUS (UPPER CAMPANIAN–LOWER MAASTRICHTIAN) OF NORTH AMERICA: ENDLESS VARIATION ON A SINGLE THEME
FIGURE 77. Hoploscaphites peterseni, microconchs. A–C. AMNH 76304, AMNH loc. 3921, upper Baculites baculus Zone, Pierre Shale, Cedar Creek Anticline, east-central Montana. A, Right lateral; B, apertural; C, ventral. D–F. AMNH 76402, AMNH loc. 3921, Baculites baculus or lower B. grandis Zone, Pierre Shale, Cedar Creek Anticline, east-central Montana. D, Right lateral; E, apertural; F, ventral. G–I. AMNH 76400, paratype, AMNH loc. 3921, Baculites baculus or lower B. grandis Zone, Pierre Shale, Cedar Creek Anticline, east-central Montana G, Right lateral; H, apertural; I, ventral. Arrow indicates the base of the body chamber.
FIGURE 74. Hoploscaphites peterseni, macroconchs. A. USNM 723231 in LARGE SCAPHITID AMMONITES (HOPLOSCAPHITES) FROM THE UPPER CRETACEOUS (UPPER CAMPANIAN–LOWER MAASTRICHTIAN) OF NORTH AMERICA: ENDLESS VARIATION ON A SINGLE THEME
FIGURE 74. Hoploscaphites peterseni, macroconchs. A. USNM 723231, left lateral, USGS loc. 22142, Baculites eliasi Zone, Bearpaw Shale, Valley County, Montana. The coarse ornamentation on the inner whorls is visible. Arrow indicates the base of the body chamber. B, C. AMNH 73031, left lateral, fragment with the body chamber attached (B) and removed (C), B. baculus Zone, AMNH loc. 3921, Pierre Shale, Cedar Creek Anticline, east-central Montana. The ornamentation on the inner whorls consists of widely spaced ribs and ventrolateral tubercles.
FIGURE 76. Hoploscaphites peterseni, microconchs. A–D. AMNH 135087, AMNH loc. 3921 in LARGE SCAPHITID AMMONITES (HOPLOSCAPHITES) FROM THE UPPER CRETACEOUS (UPPER CAMPANIAN–LOWER MAASTRICHTIAN) OF NORTH AMERICA: ENDLESS VARIATION ON A SINGLE THEME
FIGURE 76. Hoploscaphites peterseni, microconchs. A–D. AMNH 135087, AMNH loc. 3921, 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. E–H. AMNH 77597, AMNH loc. 3246, Baculites baculus or lower B. grandis Zone, Pierre Shale, southwest of Wibaux (= Mingusville), Wibaux County, Montana. E, Right lateral; F, apertural; G, ventral; H, left lateral. I–L. AMNH 134704, Pierre Shale, Cedar Creek Anticline, east-central Montana. I, Right lateral; J, apertural; K, ventral; L, left lateral. Arrow indicates the base of the body chamber.
FIGURE 78. Hoploscaphites peterseni, microconchs. A–D. AMNH 135978, AMNH loc. 3921 in LARGE SCAPHITID AMMONITES (HOPLOSCAPHITES) FROM THE UPPER CRETACEOUS (UPPER CAMPANIAN–LOWER MAASTRICHTIAN) OF NORTH AMERICA: ENDLESS VARIATION ON A SINGLE THEME
FIGURE 78. Hoploscaphites peterseni, microconchs. A–D. AMNH 135978, AMNH loc. 3921, 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. E–H. AMNH 76311, AMNH loc. 3921, Baculites baculus or lower B. grandis Zone, Pierre Shale, Cedar Creek Anticline, east-central Montana. Note the difference in umbilical diameter between the left and right sides due to a growth deformity. E, Right lateral; F, apertural; G, ventral; H, left lateral. I–L. BHI 4893, Pierre Shale, Cedar Creek Anticline, east-central Montana. I, Right lateral; J, apertural; K, ventral; L, left lateral. The two rows of ventrolateral tubercles have merged into a single row of midventral tubercles due to a sublethal injury. Arrow indicates the base of the body chamber.
FIGURE 67 in LARGE SCAPHITID AMMONITES (HOPLOSCAPHITES) FROM THE UPPER CRETACEOUS (UPPER CAMPANIAN–LOWER MAASTRICHTIAN) OF NORTH AMERICA: ENDLESS VARIATION ON A SINGLE THEME
FIGURE 67. Hoploscaphites peterseni, macroconch, paratype. A–D. USNM 723217, USGS loc. 23399, Baculites eliasi zone, Bearpaw Shale, Valley County, Montana. A, Right lateral; B, apertural; C, ventral; D, left lateral. Arrow indicates the base of the body chamber.
FIGURE 71. Hoploscaphites peterseni, macroconch. A–D. SDSM 149990 in LARGE SCAPHITID AMMONITES (HOPLOSCAPHITES) FROM THE UPPER CRETACEOUS (UPPER CAMPANIAN–LOWER MAASTRICHTIAN) OF NORTH AMERICA: ENDLESS VARIATION ON A SINGLE THEME
FIGURE 71. Hoploscaphites peterseni, macroconch. A–D. SDSM 149990, 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 65. Hoploscaphites peterseni, macroconch. A–D. BHI 4128 in LARGE SCAPHITID AMMONITES (HOPLOSCAPHITES) FROM THE UPPER CRETACEOUS (UPPER CAMPANIAN–LOWER MAASTRICHTIAN) OF NORTH AMERICA: ENDLESS VARIATION ON A SINGLE THEME
FIGURE 65. Hoploscaphites peterseni, macroconch. A–D. BHI 4128, probably Baculites eliasi Zone, Bearpaw Shale, Valley County, Montana. A, Right lateral; B, apertural; C, ventral; D, left lateral. Arrow indicates the base of the body chamber.
FIGURE 64. Hoploscaphites peterseni, macroconch. A–D. SDSM 149991 in LARGE SCAPHITID AMMONITES (HOPLOSCAPHITES) FROM THE UPPER CRETACEOUS (UPPER CAMPANIAN–LOWER MAASTRICHTIAN) OF NORTH AMERICA: ENDLESS VARIATION ON A SINGLE THEME
FIGURE 64. Hoploscaphites peterseni, macroconch. A–D. SDSM 149991, 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 75. Hoploscaphites peterseni, microconchs. A–D. AMNH 105901 in LARGE SCAPHITID AMMONITES (HOPLOSCAPHITES) FROM THE UPPER CRETACEOUS (UPPER CAMPANIAN–LOWER MAASTRICHTIAN) OF NORTH AMERICA: ENDLESS VARIATION ON A SINGLE THEME
FIGURE 75. Hoploscaphites peterseni, microconchs. A–D. AMNH 105901, paratype, 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. E–H. BHI 4129, 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. Arrow indicates the base of the body chamber.
FIGURE 62. Hoploscaphites peterseni, macroconch. A–D. AMNH 71932, AMNH loc. 3921 in LARGE SCAPHITID AMMONITES (HOPLOSCAPHITES) FROM THE UPPER CRETACEOUS (UPPER CAMPANIAN–LOWER MAASTRICHTIAN) OF NORTH AMERICA: ENDLESS VARIATION ON A SINGLE THEME
FIGURE 62. Hoploscaphites peterseni, macroconch. A–D. AMNH 71932, AMNH loc. 3921, 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 60 in LARGE SCAPHITID AMMONITES (HOPLOSCAPHITES) FROM THE UPPER CRETACEOUS (UPPER CAMPANIAN–LOWER MAASTRICHTIAN) OF NORTH AMERICA: ENDLESS VARIATION ON A SINGLE THEME
FIGURE 60. Hoploscaphites peterseni, macroconch, holotype. A–D. AMNH 71848, AMNH loc. 3921, 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 56 in LARGE SCAPHITID AMMONITES (HOPLOSCAPHITES) FROM THE UPPER CRETACEOUS (UPPER CAMPANIAN–LOWER MAASTRICHTIAN) OF NORTH AMERICA: ENDLESS VARIATION ON A SINGLE THEME
FIGURE 56. Hoploscaphites plenus (Meek and Hayden, 1860), microconchs. A–C. AMNH 135970, AMNH loc. 3921, lower Baculites baculus Zone, Pierre Shale, Cedar Creek Anticline, east-central Montana. A, Right lateral; B, apertural; C, ventral. D–G. AMNH 135991, AMNH loc. 3921, Baculites baculus or lower B. grandis Zone, Pierre Shale, Cedar Creek Anticline, east-central Montana. D, Right lateral; E, apertural; F, ventral; G, left lateral. H–K. USNM 366 (cast of holotype of Scaphites nodosus var. quadrangularis), illustrated in Meek (1876: pl. 25, fig. 3a-c), said to be from the Pierre Shale on the "Yellowstone River, Montana, 150 miles above its mouth," and probably, more specifically, from the Cedar Creek Anticline, Dawson County, Montana. H, Right lateral; I, apertural; J, ventral; K, left lateral. Arrow indicates the base of the body chamber.
FIGURE 70. Hoploscaphites peterseni, macroconch. A–D. AMNH 105906 in LARGE SCAPHITID AMMONITES (HOPLOSCAPHITES) FROM THE UPPER CRETACEOUS (UPPER CAMPANIAN–LOWER MAASTRICHTIAN) OF NORTH AMERICA: ENDLESS VARIATION ON A SINGLE THEME
FIGURE 70. Hoploscaphites peterseni, macroconch. A–D. AMNH 105906, paratype, robust specimen, 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. Arrow indicates the base of the body chamber.
FIGURE 57 in LARGE SCAPHITID AMMONITES (HOPLOSCAPHITES) FROM THE UPPER CRETACEOUS (UPPER CAMPANIAN–LOWER MAASTRICHTIAN) OF NORTH AMERICA: ENDLESS VARIATION ON A SINGLE THEME
FIGURE 57. Hoploscaphites plenus (Meek and Hayden, 1860), microconchs. A–C. YPM 1971, YPM loc. 1503, Baculites baculus or lower B. grandis Zone, Pierre Shale, Wibaux (= Mingusville), Wibaux County, Montana. A, Right lateral; B, apertural; C, ventral. D–F. AMNH 135974, AMNH loc. 3921, Baculites baculus or lower B. grandis Zone, Pierre Shale, Cedar Creek Anticline, east-central Montana. D, Right lateral; E, apertural; F, ventral. G–I. AMNH 135981, AMNH loc. 3921, upper Baculites baculus or lower B. grandis Zone, Pierre Shale, Cedar Creek Anticline, east-central Montana. G, Right lateral; H, apertural; I, ventral. Arrow indicates the base of the body chamber.
FIGURE 55 in LARGE SCAPHITID AMMONITES (HOPLOSCAPHITES) FROM THE UPPER CRETACEOUS (UPPER CAMPANIAN–LOWER MAASTRICHTIAN) OF NORTH AMERICA: ENDLESS VARIATION ON A SINGLE THEME
FIGURE 55. Hoploscaphites plenus (Meek and Hayden, 1860), microconchs. A–C. AMNH 85515, AMNH loc. 3921, lower Baculites baculus Zone, Pierre Shale, Cedar Creek Anticline, east-central Montana. A, Right lateral; B, apertural; C, ventral. D–F. AMNH 72540, AMNH loc. 3921, Baculites baculus or lower B. grandis Zone, Pierre Shale, Cedar Creek Anticline, east-central Montana. D, Right lateral; E, apertural; F, ventral. G–I. YPM 35681, YPM loc. A6521, Fort Yates, Sioux County, North Dakota (dubious locality). G, Right lateral; H, apertural; I, ventral. Arrow indicates the base of the body chamber.
FIGURE 53 in LARGE SCAPHITID AMMONITES (HOPLOSCAPHITES) FROM THE UPPER CRETACEOUS (UPPER CAMPANIAN–LOWER MAASTRICHTIAN) OF NORTH AMERICA: ENDLESS VARIATION ON A SINGLE THEME
FIGURE 53. Hoploscaphites plenus (Meek and Hayden, 1860), large macroconch. A–D. YPM 35679, transitional to H. crassus (Coryell and Salmon, 1934), YPM loc. 4778, Baculites baculus Zone, Pierre Shale, Red Bird, Wyoming. A, Right lateral; B, apertural; C, ventral; D, left lateral. Arrow indicates the base of the body chamber.
FIGURE 54 in LARGE SCAPHITID AMMONITES (HOPLOSCAPHITES) FROM THE UPPER CRETACEOUS (UPPER CAMPANIAN–LOWER MAASTRICHTIAN) OF NORTH AMERICA: ENDLESS VARIATION ON A SINGLE THEME
FIGURE 54. Hoploscaphites plenus (Meek and Hayden, 1860), microconchs. A–C. YPM 250650, YPM loc. A6521, Fort Yates, Sioux County, North Dakota (dubious locality). A, Right lateral; B, apertural; C, ventral. D–F. AMNH 76342, AMNH loc. 3921, lower Baculites baculus Zone, Pierre Shale, Cedar Creek Anticline, east-central Montana. D, Right lateral; E, apertural; F, ventral. G–I. AMNH 82964, AMNH loc. 3270, Baculites baculus Zone, Pierre Shale, Dawson County, Montana. H, apertural; I, ventral. Arrow indicates the base of the body chamber.
FIGURE 51 in LARGE SCAPHITID AMMONITES (HOPLOSCAPHITES) FROM THE UPPER CRETACEOUS (UPPER CAMPANIAN–LOWER MAASTRICHTIAN) OF NORTH AMERICA: ENDLESS VARIATION ON A SINGLE THEME
FIGURE 51. Hoploscaphites plenus (Meek and Hayden, 1860), macroconch. A–D. AMNH 76189, AMNH loc. 3921, 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 50 in LARGE SCAPHITID AMMONITES (HOPLOSCAPHITES) FROM THE UPPER CRETACEOUS (UPPER CAMPANIAN–LOWER MAASTRICHTIAN) OF NORTH AMERICA: ENDLESS VARIATION ON A SINGLE THEME
FIGURE 50. Hoploscaphites plenus (Meek and Hayden, 1860), macroconch. A–D. BHI 4701, 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.
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