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Bearpaw Formation

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Konishi, Takuya; Brinkman, Donald; Massare, Judy A.; Caldwell, Michael W. (2011-09-01). "New exceptional specimens of Prognathodon overtoni (Squamata, Mosasauridae) from the upper Campanian of Alberta, Canada, and the systematics and ecology of the genus".
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Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Cretaceous, North America)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 574-588.
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Glass, D.J. (editor) 1997. Lexicon of Canadian Stratigraphy, vol. 4, Western Canada including eastern British Columbia, Alberta, Saskatchewan and southern Manitoba. Canadian Society of Petroleum Geologists, Calgary, 1423 p. on CD-ROM.
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Wall, J.H., Sweet, A.R. and Hills, L.V. 1971. Paleoecology of the Bearpaw and contiguous Upper Cretaceous formations in the C.P.O.G. Strathmore well, southern Alberta. Bulletin of Canadian Petroleum Geology, vol. 19, no. 3, p.
2415: 2425: 2015:"A new elasmosaurid (Sauropterygia, Plesiosauria) from the Bearpaw Shale (Late Cretaceous, Maastrichtian) of Montana demonstrates multiple evolutionary reductions of neck length within Elasmosauridae" 2390: 2430: 2259:
Jiménez-Huidobro, P.; Caldwell, M.W.; Paparella, I.; Bullard, T.S. (2018). "A new species of tylosaurine mosasaur from the upper Campanian Bearpaw Formation of Saskatchewan, Canada".
2335:"A new lizardfish (Teleostei, Aulopiformes) from the Late Cretaceous Bearpaw Formation of Alberta, Canada, with a revised diagnosis of Apateodus (Aulopiformes, Ichthyotringoidei)" 1741:
Hatcher, J.B. and Stanton, T.W., 1903. The stratigraphic position of the Judith River beds and their correlation with the Belly River beds. Science, no. 5, v. 18, p. 211-212.
501:. As the seaway retreated toward the southwest, the marine sediments of the Bearpaw became covered by the deltaic and coastal plain sediments of the overlying formations. 3255: 2383: 3215: 3235: 2407: 2376: 1939:(Hadrosauridae: Saurolophinae) from the Upper Cretaceous Bearpaw Formation of southern Alberta, Canada, reveals ontogenetic changes in crest morphology". 1828: 1829:"The Geological Atlas of the Western Canada Sedimentary Basin, Chapter 24: Upper Cretaceous and Tertiary strata of the Western Canada Sedimentary Basin" 255: 3250: 3245: 2223:"A new species of Plioplatecarpus (Mosasauridae, Plioplatecarpinae) from the Bearpaw Formation (Campanian, Upper Cretaceous) of Montana, U.S.A." 1935:
Eamon T. Drysdale; François Therrien; Darla K. Zelenitsky; David B. Weishampel; David C. Evans (2019). "Description of juvenile specimens of
1896: 2142:(Squamata, Mosasauridae) from the upper Campanian of the Bearpaw Formation, western Canada, and the first stomach contents for the genus". 1755: 1883: 1726: 3230: 2399: 2487: 639: 741: 2101:"A new Polycotylid Plesiosaur (Reptilia: Sauropterygia) from the Upper Cretaceous Bearpaw Formation in Saskatchewan, Canada" 2477: 248: 3225: 3220: 3142: 2711: 522: 170: 138: 1802: 2116: 466:
that advanced and then retreated across the region during Campanian time. It is composed primarily of dark grey
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Takuya Konishi; Michael Newbrey; Michael Caldwell (2014). "A small, exquisitely preserved specimen of
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Contact (red arrow) between the underlying marine shales of the Bearpaw Formation and the coastal
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remains have occasionally been discovered, presumably from carcasses that washed out to sea.
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The Bearpaw Formation is famous for its well-preserved ammonite fossils. These include
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Several specimens, including a near complete skeleton with stomach contents
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Serratos, Danielle J.; Druckenmiller, Patrick; Benson, Roger B.J. (2017).
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A complete, well-preserved postcranial specimen, missing only the skull.
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The formation was deposited in the Bearpaw Sea, which was part of the
1475: 420: 404: 317: 1756:"Ammolite: Iridescent fossil ammonite from southern Alberta, Canada" 568: 2294:
Chida, Mori; Brinkman, Donald B.; Murray, Alison M. (2023-10-01).
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A partially articulated incomplete skeleton, including a skull.
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A small elasmosaurid plesiosaur with an unusually short neck.
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in the plains to the east and Montana. It is overlain by the
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Other fossils found in this formation include many types of
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10.1666/0022-3360(2005)079[0969:ANPPRS]2.0.CO;2
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Cuthbertson, Robin S.; Holmes, Robert B. (22 April 2015).
1831:. Compiled by Mossop, G.D. and Shetsen, I. Archived from 2070:
10.1671/0272-4634(2003)23[89:TPANES]2.0.CO;2
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Kubo, T.; Mitchell, M. T.; Henderson, D. M. (2012). "
1920:"Table 20.1," in Weishampel, et al. (2004). Page 441. 431:, some of which are mined in Alberta to produce the 2857: 2677: 2507: 2439: 2406: 2333:Newbrey, Michael G.; Konishi, Takuya (2015-05-04). 365: 351: 346: 327: 313: 295: 247: 242: 227: 213: 208: 200: 185: 166: 156: 146: 32: 1827:Canadian Society of Petroleum Geologists (1994). 1754:Mychaluk, K.A.; Levinson, A.A. & Hall, R.H. 1150:A nearly complete skeleton including the skull. 509:The Bearpaw Formation conformably overlies the 419:in Montana. It includes a wide range of marine 1114:has the longest neck of any known plesiosaur. 2384: 8: 541:in Montana. To the east, it merges into the 1803:"Latest Cretaceous Western Interior Seaway" 2391: 2377: 2369: 1749: 1747: 1350:Several exceptionally preserved specimens 131: 29: 1737: 1735: 930:"Nearly complete skull and postcranium." 450:Bearpaw shale being excavated to recover 3256:Upper Cretaceous Series of North America 1620: 1556: 1553: 1473: 1470: 1226: 1223: 1049: 1046: 775: 772: 1930: 1928: 1926: 1716: 1714: 1712: 1708: 442:Lithology and depositional environment 1653:Partial skeleton, recovered within a 537:in southern Saskatchewan; and by the 7: 2421:Frontier exploration and development 3216:Geologic formations of Saskatchewan 2261:Journal of Systematic Palaeontology 625:Uncertain or tentative taxa are in 27:Geologic formation in North America 3236:Western Canadian Sedimentary Basin 2339:Journal of Vertebrate Paleontology 2226:Journal of Vertebrate Paleontology 2180:Journal of Vertebrate Paleontology 2144:Journal of Vertebrate Paleontology 2058:Journal of Vertebrate Paleontology 2019:Journal of Vertebrate Paleontology 1980:Journal of Vertebrate Paleontology 1941:Journal of Vertebrate Paleontology 717:, birds, and marine reptiles like 423:, as well as the remains of a few 25: 2099:Sato, Tamaki (1 September 2005). 585:Taxon falsely reported as present 2400:Western Canada Sedimentary Basin 1693: 1679: 1441:A single semi-complete skeleton 204:Up to 350 meters (1,150 ft) 590:Dubious taxon or junior synonym 3251:Geologic formations of Montana 3246:Geologic formations of Alberta 1353:A large mosasaurine mosasaur. 1316:A large mosasaurine mosasaur. 742:Dolichorhynchops herschelensis 497:concretions) and thin beds of 482:. It also includes bedded and 427:. It is known for its fossil 1: 2312:10.1016/j.cretres.2023.105579 2273:10.1080/14772019.2018.1471744 2031:10.1080/02724634.2017.1278608 1953:10.1080/02724634.2018.1547310 2351:10.1080/02724634.2014.918042 2238:10.1080/02724634.2014.922980 2192:10.1080/02724634.2011.601714 2156:10.1080/02724634.2014.838573 1992:10.1080/02724634.2012.658124 1180:An elasmosaurid plesiosaur. 533:in southern Alberta; by the 517:in central Alberta, and the 2456:Northwestern Alberta Plains 2054:Terminonatator ponteixensis 652:from the Bearpaw Formation. 552: 525:in central Alberta; by the 505:Relationship to other units 3272: 1976:Albertonectes vanderveldei 1897:"Bearpaw fauna in Alberta" 1561:from the Bearpaw Formation 1478:from the Bearpaw Formation 1231:from the Bearpaw Formation 1054:from the Bearpaw Formation 780:from the Bearpaw Formation 523:Horseshoe Canyon Formation 171:Horseshoe Canyon Formation 139:Horseshoe Canyon Formation 1395: 1388: 1369: 1259: 968:Three juvenile specimens 664:Placenticeras intercalare 559: 555: 478:, with subordinate silty 369:Hatcher and Stanton, 1903 130: 37: 2483:Northern Rocky Mountains 2140:Mosasaurus missouriensis 1607:2 articulated specimens 1296:Mosasaurus missouriensis 1207:One of the latest known 557: 531:St. Mary River Formation 415:, and was named for the 175:St. Mary River Formation 3231:Cretaceous Saskatchewan 2469:North-central foothills 2416:Oil sands and heavy oil 2105:Journal of Paleontology 1204:An incomplete skeleton 527:Blood Reserve Formation 511:Dinosaur Park Formation 474:, silty claystones and 464:Western Interior Seaway 190:Dinosaur Park Formation 18:Bearpaw Shale Formation 2052:Sato, Tamaki (2003). " 1937:Prosaurolophus maximus 1630: 1542: 1459: 1404: 1389:A widespread genus of 1364: 1327: 1298: 1127: 1035: 999: 978:, also known from the 946: 910: 874: 839: 653: 633:taxa are discredited. 519:Judith River Formation 459: 272:48.25000°N 109.50000°W 195:Judith River Formation 2768:Glauconitic Sandstone 1624: 1538: 1455: 1400: 1362:Prognathodon overtoni 1360: 1323: 1294: 1121: 1029: 993: 940: 904: 868: 833: 642: 449: 399:in the U.S. state of 2440:Depositional regions 1432:T. saskatchewanensis 1272:Alberta and Montana 683:Baculites compressus 277:48.25000; -109.50000 238:, concretionary beds 151:Geological formation 2712:Horseshoe Canyon FM 2659:Beaverhill Lake GRP 2508:Northeastern plains 2426:Natural gas liquids 2408:Hydrocarbon history 2300:Cretaceous Research 1775:10.5741/GEMS.37.1.4 1763:Gems & Gemology 1687:Paleontology portal 1527:A basal chelonioid 659:Placenticeras meeki 539:Fox Hills Formation 267: /  39:Stratigraphic range 3226:Cretaceous Montana 3221:Cretaceous Alberta 2729:Ribstone Creek MBR 1644:U. longiparietalis 1631: 1543: 1524:Known from skulls 1460: 1405: 1365: 1328: 1325:Mosasaurus conodon 1299: 1128: 1036: 1000: 947: 911: 875: 840: 654: 580:Reclassified taxon 460: 417:Bear Paw Mountains 385:geologic formation 379:, also called the 356:Bear Paw Mountains 3203: 3202: 3170:Stony Mountain FM 3048:Mission Canyon FM 3006:Gypsum Springs FM 2466:North-east Plains 1670: 1669: 1547: 1546: 1464: 1463: 1217: 1216: 1040: 1039: 1011: 886: 851: 836:Brachylophosaurus 815: 812:Brachylophosaurus 637: 636: 628: 616: 615: 612: 605: 598: 591: 586: 581: 576: 535:Eastend Formation 515:Belly River Group 403:, as well as the 377:Bearpaw Formation 373: 372: 283:Bearpaw Formation 179:Eastend Formation 33:Bearpaw Formation 16:(Redirected from 3263: 3104:Saskatchewan GRP 2897:Judith River GRP 2867:Cypress Hills FM 2461:Canadian Rockies 2447:Southern Alberta 2393: 2386: 2379: 2370: 2363: 2362: 2330: 2324: 2323: 2291: 2285: 2284: 2256: 2250: 2249: 2218: 2212: 2211: 2186:(5): 1026–1046. 2174: 2168: 2167: 2135: 2129: 2128: 2096: 2090: 2089: 2049: 2043: 2042: 2010: 2004: 2003: 1971: 1965: 1964: 1932: 1921: 1918: 1912: 1911: 1909: 1908: 1899:. Archived from 1893: 1887: 1875: 1854: 1850: 1844: 1843: 1841: 1840: 1824: 1818: 1817: 1815: 1814: 1805:. Archived from 1799: 1793: 1792: 1790: 1789: 1783: 1777:. Archived from 1760: 1751: 1742: 1739: 1730: 1718: 1703: 1701:Dinosaurs portal 1698: 1697: 1696: 1689: 1684: 1683: 1682: 1554: 1471: 1391:plioplatecarpine 1268:M. missouriensis 1224: 1195:D. herschelensis 1189:Dolichorhynchops 1047: 1005: 880: 845: 809: 773: 696:organic gemstone 626: 608: 601: 594: 589: 584: 579: 572: 569: 553: 433:organic gemstone 291: 290: 288: 287: 286: 284: 279: 278: 273: 268: 265: 264: 263: 260: 135: 126: 56: 30: 21: 3271: 3270: 3266: 3265: 3264: 3262: 3261: 3260: 3241:Campanian Stage 3206: 3205: 3204: 3199: 3195:Canadian Shield 3148:Winnipegosis FM 3126:Souris River FM 3082:Three Forks GRP 2853: 2849:Canadian Shield 2778:Sunburst Member 2724:Belly River GRP 2679:Central Alberta 2673: 2669:Canadian Shield 2652:Cooking Lake FM 2590:Lloydminster SS 2560:Grand Rapids FM 2520:Belly River GRP 2503: 2452:Central Alberta 2435: 2402: 2397: 2367: 2366: 2332: 2331: 2327: 2293: 2292: 2288: 2258: 2257: 2253: 2220: 2219: 2215: 2176: 2175: 2171: 2137: 2136: 2132: 2098: 2097: 2093: 2051: 2050: 2046: 2025:(2): e1278608. 2012: 2011: 2007: 1973: 1972: 1968: 1947:(6): e1547310. 1934: 1933: 1924: 1919: 1915: 1906: 1904: 1895: 1894: 1890: 1876: 1857: 1851: 1847: 1838: 1836: 1826: 1825: 1821: 1812: 1810: 1801: 1800: 1796: 1787: 1785: 1781: 1758: 1753: 1752: 1745: 1740: 1733: 1719: 1710: 1699: 1694: 1692: 1685: 1680: 1678: 1675: 1662:ichthyotringoid 1552: 1469: 1402:Plioplatecarpus 1372:Plioplatecarpus 1222: 1168:T. ponteixensis 1091:A. vanderveldei 1045: 771: 731:Plioplatecarpus 624: 567: 551: 507: 444: 389:Late Cretaceous 337:central Alberta 282: 280: 276: 274: 270: 269: 266: 261: 258: 256: 254: 253: 193: 142: 125: 124: 123: 122: 117: 112: 107: 102: 97: 92: 87: 82: 77: 72: 67: 62: 51: 50: 28: 23: 22: 15: 12: 11: 5: 3269: 3267: 3259: 3258: 3253: 3248: 3243: 3238: 3233: 3228: 3223: 3218: 3208: 3207: 3201: 3200: 3198: 3197: 3192: 3187: 3182: 3177: 3172: 3167: 3162: 3157: 3156: 3155: 3150: 3145: 3140: 3130: 3129: 3128: 3118: 3117: 3116: 3111: 3101: 3100: 3099: 3094: 3089: 3079: 3078: 3077: 3072: 3067: 3066: 3065: 3060: 3055: 3045: 3044: 3043: 3038: 3033: 3018: 3013: 3008: 3003: 3001:Gravelbourg FM 2998: 2993: 2988: 2987: 2986: 2981: 2976: 2966: 2961: 2960: 2959: 2954: 2949: 2939: 2934: 2929: 2924: 2919: 2914: 2909: 2904: 2902:Belly River FM 2899: 2894: 2889: 2884: 2879: 2874: 2869: 2863: 2861: 2855: 2854: 2852: 2851: 2846: 2841: 2836: 2835: 2834: 2829: 2824: 2819: 2809: 2808: 2807: 2802: 2800:Rock Creek MBR 2792: 2791: 2790: 2785: 2780: 2775: 2770: 2760: 2759: 2758: 2748: 2743: 2742: 2741: 2736: 2731: 2721: 2716: 2715: 2714: 2709: 2704: 2694: 2689: 2683: 2681: 2675: 2674: 2672: 2671: 2666: 2661: 2656: 2655: 2654: 2649: 2644: 2634: 2629: 2624: 2619: 2614: 2613: 2612: 2607: 2602: 2597: 2592: 2587: 2582: 2577: 2572: 2567: 2562: 2557: 2547: 2542: 2537: 2532: 2527: 2522: 2517: 2511: 2509: 2505: 2504: 2502: 2501: 2495: 2490: 2485: 2480: 2475: 2470: 2467: 2464: 2459:South-central 2457: 2454: 2449: 2443: 2441: 2437: 2436: 2434: 2433: 2428: 2423: 2418: 2412: 2410: 2404: 2403: 2398: 2396: 2395: 2388: 2381: 2373: 2365: 2364: 2345:(3): e918042. 2325: 2286: 2251: 2232:(3): e922980. 2213: 2169: 2150:(4): 802–819. 2130: 2091: 2044: 2005: 1986:(3): 557–572. 1966: 1922: 1913: 1888: 1855: 1845: 1819: 1794: 1743: 1731: 1707: 1706: 1705: 1704: 1690: 1674: 1671: 1668: 1667: 1665: 1658: 1651: 1649: 1646: 1641: 1633: 1632: 1618: 1608: 1605: 1603: 1600: 1595: 1587: 1586: 1583: 1580: 1577: 1574: 1571: 1568: 1564: 1563: 1551: 1548: 1545: 1544: 1532: 1525: 1522: 1520: 1517: 1512: 1504: 1503: 1500: 1497: 1494: 1491: 1488: 1485: 1481: 1480: 1468: 1465: 1462: 1461: 1449: 1442: 1439: 1437: 1434: 1429: 1421: 1420: 1418: 1416: 1413: 1407: 1406: 1394: 1387: 1385: 1383: 1380: 1375: 1367: 1366: 1354: 1351: 1348: 1346: 1343: 1338: 1330: 1329: 1317: 1314: 1312: 1310: 1307: 1301: 1300: 1288: 1278: 1275: 1273: 1270: 1265: 1257: 1256: 1253: 1250: 1247: 1244: 1241: 1238: 1234: 1233: 1221: 1218: 1215: 1214: 1212: 1205: 1202: 1200: 1197: 1192: 1184: 1183: 1181: 1178: 1175: 1173: 1170: 1165: 1162:Terminonatator 1157: 1156: 1154: 1151: 1148: 1146: 1143: 1138: 1130: 1129: 1115: 1101: 1098: 1096: 1093: 1088: 1080: 1079: 1076: 1073: 1070: 1067: 1064: 1061: 1057: 1056: 1044: 1041: 1038: 1037: 1023: 1021: 1019: 1017: 1015: 1014:Indeterminate 1012: 1002: 1001: 996:Prosaurolophus 987: 969: 966: 964: 962: 957: 954:Prosaurolophus 949: 948: 934: 933:A hadrosaurid 931: 928: 926: 924: 922: 913: 912: 898: 896: 894: 892: 890: 889:Indeterminate 887: 877: 876: 871:Daspletosaurus 862: 860: 858: 856: 854: 852: 848:Daspletosaurus 842: 841: 827: 825: 823: 821: 819: 818:Indeterminate 816: 806: 805: 802: 799: 796: 793: 790: 787: 783: 782: 770: 767: 669:Hoploscaphites 643:A specimen of 635: 634: 619: 617: 614: 613: 606: 599: 592: 587: 582: 577: 561: 560: 558: 556: 550: 547: 506: 503: 443: 440: 371: 370: 367: 363: 362: 353: 349: 348: 344: 343: 329: 325: 324: 315: 311: 310: 297: 293: 292: 251: 245: 244: 240: 239: 229: 225: 224: 215: 211: 210: 206: 205: 202: 198: 197: 187: 183: 182: 168: 164: 163: 158: 154: 153: 148: 144: 143: 136: 128: 127: 120: 119: 118: 113: 108: 103: 98: 93: 88: 83: 78: 73: 68: 63: 58: 57: 35: 34: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 3268: 3257: 3254: 3252: 3249: 3247: 3244: 3242: 3239: 3237: 3234: 3232: 3229: 3227: 3224: 3222: 3219: 3217: 3214: 3213: 3211: 3196: 3193: 3191: 3188: 3186: 3183: 3181: 3178: 3176: 3173: 3171: 3168: 3166: 3163: 3161: 3158: 3154: 3151: 3149: 3146: 3144: 3141: 3139: 3138:Davson Bay FM 3136: 3135: 3134: 3133:Elk Point GRP 3131: 3127: 3124: 3123: 3122: 3119: 3115: 3112: 3110: 3107: 3106: 3105: 3102: 3098: 3095: 3093: 3092:Big Valley FM 3090: 3088: 3085: 3084: 3083: 3080: 3076: 3075:Souris Valley 3073: 3071: 3068: 3064: 3061: 3059: 3056: 3054: 3051: 3050: 3049: 3046: 3042: 3039: 3037: 3034: 3032: 3029: 3028: 3027: 3024: 3023: 3022: 3019: 3017: 3016:Big Snowy GRP 3014: 3012: 3009: 3007: 3004: 3002: 2999: 2997: 2994: 2992: 2989: 2985: 2982: 2980: 2977: 2975: 2972: 2971: 2970: 2967: 2965: 2962: 2958: 2955: 2953: 2950: 2948: 2945: 2944: 2943: 2942:Mannville GRP 2940: 2938: 2935: 2933: 2930: 2928: 2927:Milk River FM 2925: 2923: 2920: 2918: 2915: 2913: 2910: 2908: 2905: 2903: 2900: 2898: 2895: 2893: 2890: 2888: 2885: 2883: 2880: 2878: 2875: 2873: 2872:Ravenscrag FM 2870: 2868: 2865: 2864: 2862: 2860: 2856: 2850: 2847: 2845: 2842: 2840: 2837: 2833: 2830: 2828: 2825: 2823: 2820: 2818: 2817:Mount Head FM 2815: 2814: 2813: 2810: 2806: 2803: 2801: 2798: 2797: 2796: 2793: 2789: 2788:Detrital Beds 2786: 2784: 2781: 2779: 2776: 2774: 2773:Ostracod Beds 2771: 2769: 2766: 2765: 2764: 2763:Mannville GRP 2761: 2757: 2754: 2753: 2752: 2749: 2747: 2744: 2740: 2737: 2735: 2732: 2730: 2727: 2726: 2725: 2722: 2720: 2717: 2713: 2710: 2708: 2705: 2703: 2700: 2699: 2698: 2695: 2693: 2690: 2688: 2685: 2684: 2682: 2680: 2676: 2670: 2667: 2665: 2664:Elk Point GRP 2662: 2660: 2657: 2653: 2650: 2648: 2645: 2643: 2640: 2639: 2638: 2635: 2633: 2632:Winterburn FM 2630: 2628: 2625: 2623: 2620: 2618: 2615: 2611: 2608: 2606: 2603: 2601: 2598: 2596: 2593: 2591: 2588: 2586: 2583: 2581: 2580:Clearwater FM 2578: 2576: 2575:Gen. Petr. SS 2573: 2571: 2568: 2566: 2563: 2561: 2558: 2556: 2553: 2552: 2551: 2550:Mannville GRP 2548: 2546: 2543: 2541: 2538: 2536: 2533: 2531: 2528: 2526: 2523: 2521: 2518: 2516: 2513: 2512: 2510: 2506: 2500: 2496: 2494: 2491: 2489: 2488:Fort St. John 2486: 2484: 2481: 2479: 2476: 2474: 2471: 2468: 2465: 2462: 2458: 2455: 2453: 2450: 2448: 2445: 2444: 2442: 2438: 2432: 2429: 2427: 2424: 2422: 2419: 2417: 2414: 2413: 2411: 2409: 2405: 2401: 2394: 2389: 2387: 2382: 2380: 2375: 2374: 2371: 2360: 2356: 2352: 2348: 2344: 2340: 2336: 2329: 2326: 2321: 2317: 2313: 2309: 2305: 2301: 2297: 2290: 2287: 2282: 2278: 2274: 2270: 2266: 2262: 2255: 2252: 2247: 2243: 2239: 2235: 2231: 2227: 2224: 2217: 2214: 2209: 2205: 2201: 2197: 2193: 2189: 2185: 2181: 2173: 2170: 2165: 2161: 2157: 2153: 2149: 2145: 2141: 2134: 2131: 2126: 2122: 2118: 2114: 2110: 2106: 2102: 2095: 2092: 2087: 2083: 2079: 2075: 2071: 2067: 2064:(1): 89–103. 2063: 2059: 2055: 2048: 2045: 2040: 2036: 2032: 2028: 2024: 2020: 2016: 2009: 2006: 2001: 1997: 1993: 1989: 1985: 1981: 1977: 1970: 1967: 1962: 1958: 1954: 1950: 1946: 1942: 1938: 1931: 1929: 1927: 1923: 1917: 1914: 1903:on 2007-08-21 1902: 1898: 1892: 1889: 1885: 1884:0-520-24209-2 1881: 1874: 1872: 1870: 1868: 1866: 1864: 1862: 1860: 1856: 1849: 1846: 1835:on 2016-07-01 1834: 1830: 1823: 1820: 1809:on 2011-09-27 1808: 1804: 1798: 1795: 1784:on 2016-10-05 1780: 1776: 1772: 1768: 1764: 1757: 1750: 1748: 1744: 1738: 1736: 1732: 1728: 1727:0-920230-23-7 1724: 1717: 1715: 1713: 1709: 1702: 1691: 1688: 1677: 1672: 1666: 1663: 1659: 1656: 1652: 1650: 1647: 1645: 1642: 1640: 1639: 1635: 1634: 1629: 1628: 1623: 1619: 1616: 1613: 1609: 1606: 1604: 1601: 1599: 1598:D. magnificus 1596: 1594: 1593: 1589: 1588: 1584: 1581: 1578: 1575: 1572: 1569: 1566: 1565: 1562: 1560: 1555: 1549: 1541: 1537: 1533: 1530: 1526: 1523: 1521: 1518: 1516: 1513: 1511: 1510: 1506: 1505: 1501: 1498: 1495: 1492: 1489: 1486: 1483: 1482: 1479: 1477: 1472: 1466: 1458: 1454: 1450: 1447: 1443: 1440: 1438: 1436:Saskatchewan 1435: 1433: 1430: 1428: 1427: 1423: 1422: 1419: 1417: 1414: 1412: 1409: 1408: 1403: 1399: 1392: 1386: 1384: 1382:Saskatchewan 1381: 1379: 1376: 1374: 1373: 1368: 1363: 1359: 1355: 1352: 1349: 1347: 1344: 1342: 1339: 1337: 1336: 1332: 1331: 1326: 1322: 1318: 1315: 1313: 1311: 1309:Saskatchewan 1308: 1306: 1303: 1302: 1297: 1293: 1289: 1286: 1283: 1279: 1276: 1274: 1271: 1269: 1266: 1264: 1263: 1258: 1254: 1251: 1248: 1245: 1242: 1239: 1236: 1235: 1232: 1230: 1225: 1219: 1213: 1210: 1206: 1203: 1201: 1199:Saskatchewan 1198: 1196: 1193: 1191: 1190: 1186: 1185: 1182: 1179: 1176: 1174: 1172:Saskatchewan 1171: 1169: 1166: 1164: 1163: 1159: 1158: 1155: 1152: 1149: 1147: 1144: 1142: 1139: 1137: 1136: 1132: 1131: 1126: 1125: 1124:Albertonectes 1120: 1116: 1113: 1112:Albertonectes 1109: 1106: 1102: 1099: 1097: 1094: 1092: 1089: 1087: 1086: 1085:Albertonectes 1082: 1081: 1077: 1074: 1071: 1068: 1065: 1062: 1059: 1058: 1055: 1053: 1048: 1042: 1034: 1033: 1028: 1024: 1022: 1020: 1018: 1016: 1013: 1010: 1009: 1004: 1003: 998: 997: 992: 988: 985: 981: 980:Dinosaur Park 977: 974: 973:Saurolophinae 970: 967: 965: 963: 961: 958: 956: 955: 951: 950: 945: 944: 939: 935: 932: 929: 927: 925: 923: 921: 920: 915: 914: 909: 908: 903: 899: 897: 895: 893: 891: 888: 885: 884: 879: 878: 873: 872: 867: 863: 861: 859: 857: 855: 853: 850: 849: 844: 843: 838: 837: 832: 828: 826: 824: 822: 820: 817: 814: 813: 808: 807: 803: 800: 797: 794: 791: 788: 785: 784: 781: 779: 774: 768: 766: 764: 760: 756: 755: 750: 749: 748:Albertonectes 744: 743: 738: 734: 732: 727: 725: 720: 716: 712: 708: 704: 699: 697: 693: 692: 688: 684: 681: 677: 676: 671: 670: 665: 661: 660: 651: 648: 647: 646:Placenticeras 641: 632: 623: 620: 618: 611: 607: 604: 600: 597: 593: 588: 583: 578: 575: 571: 570: 566: 563: 562: 554: 548: 546: 544: 540: 536: 532: 528: 524: 520: 516: 512: 504: 502: 500: 496: 492: 488: 485: 481: 477: 473: 469: 465: 457: 453: 448: 441: 439: 437: 434: 430: 426: 422: 418: 414: 410: 407:provinces of 406: 402: 398: 394: 390: 386: 382: 381:Bearpaw Shale 378: 368: 364: 361: 357: 354: 350: 345: 342: 339:and southern 338: 334: 330: 326: 323: 322:United States 319: 316: 312: 309: 305: 301: 298: 294: 289: 252: 250: 246: 241: 237: 233: 230: 226: 223: 219: 216: 212: 207: 203: 199: 196: 191: 188: 184: 180: 176: 172: 169: 165: 162: 161:Montana Group 159: 155: 152: 149: 145: 140: 134: 129: 116: 111: 106: 101: 96: 91: 86: 81: 76: 71: 66: 61: 55: 48: 47:Maastrichtian 44: 40: 36: 31: 19: 3165:Stonewall FM 3160:Interlake FM 3121:Manitoba GRP 3070:Lodgepole FM 2991:Shaunavon FM 2932:Colorado GRP 2891: 2877:Frenchman FM 2859:Saskatchewan 2783:Taber Member 2751:Colorado GRP 2739:Brosseau MBR 2734:Victoria MBR 2718: 2707:Whitemud MBR 2697:Edmonton GRP 2637:Woodbend GRP 2600:Cummings MBR 2595:Wabiskaw MBR 2530:La Biche GRP 2514: 2493:Saskatchewan 2342: 2338: 2328: 2303: 2299: 2289: 2267:(10): 1–16. 2264: 2260: 2254: 2229: 2225: 2216: 2183: 2179: 2172: 2147: 2143: 2139: 2133: 2108: 2104: 2094: 2061: 2057: 2053: 2047: 2022: 2018: 2008: 1983: 1979: 1975: 1969: 1944: 1940: 1936: 1916: 1905:. Retrieved 1901:the original 1891: 1848: 1837:. Retrieved 1833:the original 1822: 1811:. Retrieved 1807:the original 1797: 1786:. Retrieved 1779:the original 1766: 1762: 1664:aulopiform. 1654: 1643: 1636: 1625: 1597: 1590: 1557: 1540:Nichollsemys 1539: 1514: 1509:Nichollsemys 1507: 1474: 1456: 1431: 1424: 1411:P. peckensis 1410: 1401: 1378:P. primaevus 1377: 1370: 1361: 1340: 1335:Prognathodon 1333: 1324: 1304: 1295: 1267: 1260: 1227: 1209:polycotylids 1194: 1187: 1167: 1160: 1140: 1135:Nakonanectes 1133: 1122: 1111: 1105:elasmosaurid 1090: 1083: 1050: 1030: 1006: 994: 984:Two Medicine 959: 952: 941: 917: 905: 881: 869: 846: 834: 810: 776: 754:Nakonanectes 752: 746: 740: 729: 724:Prognathodon 722: 700: 689: 682: 675:Sphenodiscus 673: 667: 663: 657: 655: 644: 630: 621: 564: 543:Pierre Shale 508: 461: 413:Saskatchewan 380: 376: 374: 347:Type section 341:Saskatchewan 304:Saskatchewan 181:, and others 3190:Deadwood FM 3185:Winnipeg FM 3109:Birdbear FM 3021:Madison GRP 2984:Sawtooth FM 2964:Vanguard FM 2917:Lea Park FM 2912:Foremost FM 2882:Whitemud FM 2805:Nordegg MBR 2746:Lea Park FM 2692:Scollard FM 2687:Paskapoo FM 2642:Grosmont FM 2605:McMurray FM 2555:McLaren MBR 2540:Joli Fou FM 2525:Lea Park FM 2478:Fort Nelson 2473:Liard River 2431:Natural gas 1769:(1): 4–25. 1446:tylosaurine 1341:P. overtoni 1282:mosasaurine 1052:Plesiosaurs 1043:Plesiosaurs 986:Formations 976:hadrosaurid 943:Kritosaurus 919:Kritosaurus 759:sea turtles 737:plesiosaurs 631:crossed out 610:Morphotaxon 487:concretions 458:production. 275: / 249:Coordinates 52:75–72  3210:Categories 3143:Prairie FM 3114:Duperow FM 3097:Torquay FM 3026:Charles FM 3011:Watrous FM 2979:Rierdon FM 2957:Success FM 2952:Cantuar FM 2922:Pakowki FM 2892:Bearpaw FM 2887:Eastend FM 2832:Pekisko FM 2822:Elkton MBR 2812:Rundle GRP 2795:Fernie GRP 2756:Cardium FM 2719:Bearpaw FM 2647:Irteton FM 2627:Wabamun FM 2515:Bearpaw FM 2306:: 105579. 2111:(5): 969. 1907:2007-06-22 1839:2016-06-20 1813:2007-06-22 1788:2015-01-11 1673:References 1657:specimen. 1655:Mosasaurus 1638:Ursichthys 1615:aulopiform 1529:sea turtle 1457:Tylosaurus 1448:mosasaur. 1426:Tylosaurus 1393:mosasaur. 1305:M. conodon 1262:Mosasaurus 1108:plesiosaur 1032:Stegoceras 1008:Stegoceras 960:P. maximus 907:Edmontonia 883:Edmontonia 698:ammolite. 691:Inoceramus 627:small text 596:Ichnotaxon 491:calcareous 480:sandstones 476:siltstones 472:claystones 395:) age. It 281: ( 262:109°30′0″W 3180:Yeoman FM 3175:Herald FM 3153:Ashern FM 3087:Bakken FM 3053:Kisbey SS 3036:Ratcliffe 2969:Ellis GRP 2937:Viking FM 2907:Oldman FM 2844:Exshaw FM 2827:Shunda FM 2702:Battle FM 2622:Exshaw FM 2570:Sparky SS 2565:Waseca SS 2545:Colony SS 2535:Viking FM 2463:foothills 2359:0272-4634 2320:0195-6671 2246:129311001 2208:129001212 2200:0272-4634 2125:131128997 2086:130373116 2078:0272-4634 2039:132717607 2000:129500470 1961:109440173 1559:Bony fish 1550:Bony fish 1515:N. baieri 1229:Mosasaurs 1220:Mosasaurs 1141:N. bradti 778:Dinosaurs 769:Dinosaurs 733:peckensis 719:mosasaurs 707:bony fish 703:shellfish 565:Color key 499:bentonite 495:ironstone 452:ammonites 429:ammonites 425:dinosaurs 393:Campanian 352:Named for 331:Northern 259:48°15′0″N 236:sandstone 232:Siltstone 222:claystone 209:Lithology 201:Thickness 167:Underlies 43:Campanian 2996:Piper FM 2974:Swift FM 2947:Pense FM 2839:Banff FM 2617:Banff FM 2610:Dina MBR 2499:Manitoba 2497:Western 2281:90533033 2164:86325001 1853:691-702. 1648:Alberta 1627:Dercetis 1612:dercetid 1602:Alberta 1592:Dercetis 1579:Material 1573:Location 1519:Alberta 1496:Material 1490:Location 1444:A large 1415:Montana 1345:Alberta 1285:mosasaur 1280:A large 1249:Material 1243:Location 1145:Montana 1095:Alberta 1072:Material 1066:Location 798:Material 792:Location 763:Dinosaur 739:such as 726:overtoni 721:such as 685:and the 680:baculite 650:ammolite 529:and the 456:ammolite 436:ammolite 405:Canadian 397:outcrops 366:Named by 243:Location 186:Overlies 3063:Tilston 1585:Images 1570:Species 1502:Images 1487:Species 1476:Turtles 1467:Turtles 1255:Images 1240:Species 1078:Images 1063:Species 804:Images 789:Species 687:bivalve 603:Ootaxon 513:of the 484:nodular 421:fossils 409:Alberta 401:Montana 383:, is a 360:Montana 333:Montana 314:Country 308:Montana 300:Alberta 214:Primary 157:Unit of 121:↓ 3041:Midale 3031:Poplar 2585:Rex SS 2357:  2318:  2279:  2244:  2206:  2198:  2162:  2123:  2084:  2076:  2037:  1998:  1959:  1882:  1725:  1576:Member 1493:Member 1246:Member 1069:Member 795:Member 757:, and 711:sharks 678:, the 672:, and 489:(both 468:shales 328:Extent 318:Canada 296:Region 3058:Alida 2277:S2CID 2242:S2CID 2204:S2CID 2160:S2CID 2121:S2CID 2082:S2CID 2035:S2CID 1996:S2CID 1957:S2CID 1782:(PDF) 1759:(PDF) 1582:Notes 1567:Genus 1499:Notes 1484:Genus 1252:Notes 1237:Genus 1075:Notes 1060:Genus 801:Notes 786:Genus 622:Notes 574:Taxon 549:Fauna 228:Other 218:Shale 2355:ISSN 2316:ISSN 2196:ISSN 2074:ISSN 1880:ISBN 1723:ISBN 982:and 916:cf. 751:and 728:and 715:rays 493:and 454:for 411:and 375:The 147:Type 60:PreꞒ 2347:doi 2308:doi 2304:150 2269:doi 2234:doi 2188:doi 2152:doi 2113:doi 2066:doi 2027:doi 1988:doi 1949:doi 1771:doi 1660:An 1103:An 387:of 335:to 3212:: 2353:. 2343:35 2341:. 2337:. 2314:. 2302:. 2298:. 2275:. 2265:17 2263:. 2240:. 2230:35 2228:. 2202:. 2194:. 2184:31 2182:. 2158:. 2148:34 2146:. 2119:. 2109:79 2107:. 2103:. 2080:. 2072:. 2062:23 2060:. 2033:. 2023:37 2021:. 2017:. 1994:. 1984:32 1982:. 1955:. 1945:38 1943:. 1925:^ 1858:^ 1767:37 1765:. 1761:. 1746:^ 1734:^ 1711:^ 1617:. 1610:A 1531:. 1287:. 1211:. 1110:. 971:A 761:. 745:, 735:, 713:, 709:, 705:, 666:, 662:, 629:; 545:. 470:, 438:. 358:, 320:, 306:, 302:, 234:, 220:, 177:, 173:, 110:Pg 54:Ma 49:, 41:: 2392:e 2385:t 2378:v 2361:. 2349:: 2322:. 2310:: 2283:. 2271:: 2248:. 2236:: 2210:. 2190:: 2166:. 2154:: 2127:. 2115:: 2088:. 2068:: 2041:. 2029:: 2002:. 1990:: 1963:. 1951:: 1910:. 1886:. 1842:. 1816:. 1791:. 1773:: 1729:. 391:( 285:) 192:, 141:. 115:N 105:K 100:J 95:T 90:P 85:C 80:D 75:S 70:O 65:Ꞓ 45:- 20:)

Index

Bearpaw Shale Formation
Stratigraphic range
Campanian
Maastrichtian
Ma
PreꞒ

O
S
D
C
P
T
J
K
Pg
N

Horseshoe Canyon Formation
Geological formation
Montana Group
Horseshoe Canyon Formation
St. Mary River Formation
Eastend Formation
Dinosaur Park Formation
Judith River Formation
Shale
claystone
Siltstone
sandstone

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