571:
555:
591:
121:
388:
1092:
360:
309:
1272:
798:
1164:
395:
367:
923:
570:
528:. As such, the lithology progresses from open ocean chalky shale (with thin limestones) to increasing carbonaceous shale to near-shore sandstone. Near the center of the seaway, currents in the remnant shallows sorted skeletal remains into a mass of
4007:
3152:
554:
2619:
2123:
540:
in much of the outcrop area, but where an unconformity is not discernible, the boundary is typically placed at the first resistant, fine-grained limestone bed at the base of the
Niobrara Formation.
1741:"A 'woollgari-zone mosasaur' (Squamata; Mosasauridae) from the Carlile Shale (Lower Middle Turonian) of central Kansas and the stratigraphic overlap of early mosasaurs and pliosaurid plesiosaurs"
2058:
The upper 175 feet of the
Carlile is classed as the Blue Hill Shale member. Most of it is blue-gray fissile argillaceous shale that contains selenite crystals and flakes of bright yellow ochre.
1468:
White, Timothy; Arthur, Michael A. (May 2006). "Organic carbon production and preservation in response to sea-level changes in the
Turonian Carlile Formation, U.S. Western Interior Basin".
4014:
1799:
Shimada, K.; Everhart, M. (July 2019). "A New Large Late
Cretaceous Lamniform Shark from North America, with Comments on the Taxonomy, Paleoecology, and Evolution of the Genus Cretodus".
590:
3159:
2626:
2587:
2130:
624:
that have been recovered from the strata of its Blue Hill Shale Member in Kansas. The
Carlile in eastern South Dakota contains shark teeth, fossil wood and leaves, and ammonites.
3565:
3398:
2406:
3702:
3601:
3525:
2582:
2316:
3298:
2892:
1552:
William A. Cobban and E.A. Merewether (1983), Stratigraphy and paleontology of mid-Cretaceous rocks in
Minnesota and contiguous areas. USGS Professional Paper 1253.
3623:
3505:
3403:
2443:
2353:
2341:
2088:
3750:
3303:
3288:
2953:
2769:
2689:
2515:
1225:, sedimentary volcanic ash (named for the original Graneros/Greenhorn/Carlile classification), generally showing some weathered iron stain in the Colorado Group
3730:
3575:
3510:
3373:
2851:
2560:
2311:
3628:
3338:
3308:
2749:
2463:
2306:
2260:
2224:
3847:
3545:
3500:
3433:
2819:
2550:
2421:
4101:
4000:
3852:
3807:
3780:
3745:
3735:
3643:
3428:
3393:
3348:
3318:
2734:
2416:
3971:
3966:
3944:
3908:
3618:
3613:
3535:
3515:
3495:
3408:
3368:
3323:
3313:
3231:
3226:
3099:
3094:
4191:
3638:
3540:
3145:
2764:
2729:
2426:
2336:
4075:
2930:
2925:
2794:
2612:
2116:
1945:"Occurrence of Ptychodus mammillaris (Elasmobranchii) in the Fairport Chalk Member of the Carlile Shale (Upper Cretaceous) of Ellis County, Kansas"
4146:
2453:
4216:
4211:
4171:
2081:
581:
4181:
4176:
1441:
McLane, Michael (1982). "Upper
Cretaceous Coastal Deposits in South-Central Colorado--Codell and Juana Lopez Members of Carlile Shale".
1903:
Hamm, Shawn A. (2020). "The First
Occurrence of Ptychodus latissimus from the Codell Sandstone Member of the Carlile Shale in Kansas".
359:
4206:
4196:
4221:
2074:
2056:. University of Kansas Publications, State Geological Survey of Kansas. p. Geologic Formations in Relation to Ground Water.
263:
387:
4201:
4186:
484:. He described it as a medium gray shale, capped with limestone or sandstone, and assigned it to the Benton Group. By 1931,
120:
1681:"A Dolichosaurid Lizard, Coniasaurus cf. C. crassidens, from the Upper Cretaceous Carlile Shale in Russell County, Kansas"
1366:
Rubey, W.W.; Bass, N.W. (1925). "The geology of
Russell County, Kansas, with special reference to oil and gas resources".
1629:"A new Cretaceous Pliosaurid (Reptilia, Plesiosauria) from the Carlile Shale (middle Turonian) of Russell County, Kansas"
1569:"A Long-Snouted Late Cretaceous Crocodyliform, Terminonaris cf. T. browni, from the Carlile Shale (Turonian) of Kansas"
1037:
A partial skeleton consisting of 134 disarticulated teeth, 61 vertebrae, 23 placoid scales, and fragments of calcified
2053:
Geology and Ground-water
Resources of Southern Ellis County and Parts of Trego and Rush Counties, Kansas, Bulletin 149
1341:
Gilbert, G.K. (1896). "The underground water of the Arkansas Valley in eastern Colorado". In Walcott, C.D. (ed.).
1960:
1696:
1584:
1343:
Seventeenth Annual report of the United States Geological Survey to the Secretary of the Interior, 1895-1896
4166:
4156:
1503:
King, Norman R. (1974). "The Carlile-Niobrara contact and lower Niobrara strata near El Vado, New Mexico".
256:
1416:"Geology and oil possibilities of the eastern side of the San Juan Basin, Rio Arriba County, New Mexico"
4161:
3383:
2709:
1285:
2799:
1538:
1517:
3653:
2301:
512:
The formation is composed of marine deposits of the generally retreating phase (hemi-cycle) of the
1329:
4151:
3457:
2829:
2809:
2483:
1387:"Lithologic studies of fine-grained Upper Cretaceous sedimentary rocks of the Black Hills region"
814:
517:
2051:
1539:
Jstor.org: "Probable plesiosaur remains from the Blue Hill Shale (Carlile Formation)" in Kansas"
1454:
2846:
2005:"Shark-Tooth-Bearing Coprolite from the Carlile Shale (Upper Cretaceous), Ellis County, Kansas"
1512:
1067:
902:
692:
537:
4117:
3530:
2694:
2535:
2478:
2331:
2296:
240:
4063:
3423:
3378:
3363:
2739:
2540:
2530:
2321:
1808:
1640:
1477:
1179:
1143:
939:
561:
485:
167:
137:
126:
1249:
8:
3648:
3585:
3413:
3221:
3089:
3072:
3028:
2719:
2714:
2545:
1277:
525:
433:
194:
1812:
1644:
1481:
1305:
3473:
3328:
3261:
3112:
3046:
2935:
2887:
2789:
2744:
2565:
2555:
2473:
2468:
2389:
2326:
2283:
2265:
2229:
2097:
2032:
1980:
1972:
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1880:
1824:
1776:
1768:
1716:
1708:
1656:
1604:
1596:
1255:
1139:
1091:
984:
533:
529:
477:
184:
1853:, from the Fairport Chalky Shale Member of the Carlile Shale in Northeastern Nebraska"
3949:
3927:
3913:
3891:
3884:
3834:
3802:
3794:
3555:
3520:
3388:
3333:
2968:
2958:
2920:
2897:
2824:
2779:
2759:
2699:
2520:
2493:
2448:
2411:
2184:
2024:
1964:
1924:
1872:
1848:
1828:
1760:
1700:
1660:
1628:
1588:
765:
702:
597:
1984:
1884:
1780:
1720:
1608:
4085:
3817:
3773:
3725:
3658:
3570:
3550:
3478:
3358:
3343:
3283:
3266:
3001:
2963:
2915:
2882:
2838:
2814:
2679:
2672:
2525:
2510:
2016:
1956:
1912:
1864:
1816:
1752:
1692:
1648:
1580:
1485:
1450:
1415:
1394:
1346:
777:
496:. Rubey also first assigned it to the Colorado Group. C.H. Dane assigned it to the
481:
425:
330:
152:
1820:
520:, which followed the advancing phase of the same cycle that formed the underlying
3785:
3740:
3715:
3633:
3560:
3490:
3418:
3353:
3293:
3011:
2907:
2754:
2488:
2401:
2066:
1652:
1489:
956:
949:
932:
915:
709:
513:
4047:
3720:
3685:
3438:
3056:
3041:
2993:
2945:
2874:
2724:
2275:
1196:
1156:
1123:
1084:
1045:
827:
797:
613:
521:
147:
4140:
3448:
3214:
2458:
2028:
1968:
1876:
1764:
1704:
1592:
831:
641:
480:
for exposures at Carlile Spring, located about 21 miles (34 km) west of
314:
278:
265:
72:
29:
125:
Rare exposure of the Fairport Chalk member of the Carlile Shale in southern
2804:
2774:
2704:
1627:
Schumacher, Bruce A.; Carpenter, Kenneth; Everhart, Michael J. (May 2013).
1550:
1056:
807:
790:
677:
577:
497:
461:
457:
437:
156:
4038:
4029:
3826:
3594:
3174:
2784:
2641:
2176:
2145:
1916:
1868:
1756:
887:
493:
47:
1847:
Johnson-Ransom, Evan; Shimada, Kenshu; Kirkland, James I. (April 2016).
1772:
1740:
1712:
1680:
1600:
1568:
1163:
560:
The lower 25 feet (7.6 m) of the Fairport Chalk member in southern
3936:
3764:
3244:
2663:
2167:
2036:
2004:
1976:
1944:
729:
617:
501:
453:
92:
57:
3875:
3694:
3205:
3185:
3065:
2502:
2373:
2362:
2252:
1222:
1189:
1102:
1038:
851:
244:
236:
232:
228:
97:
41:
2020:
4094:
3866:
3676:
3466:
3253:
2982:
2865:
2652:
2382:
2216:
2207:
2156:
2101:
1399:
1386:
1351:
1237:
1020:
959:
449:
441:
421:
87:
82:
67:
62:
52:
33:
1330:
USGS.gov: Mineral resources of the Niobrara and Carlile Formations
1231:, precipitation of volcanic sulfuric acid with oceanic iron as FeS
3900:
3196:
3020:
2243:
2198:
465:
102:
77:
4056:
3081:
2436:
2049:
1228:
621:
489:
445:
4022:
922:
1846:
429:
217:
3167:
2634:
2138:
1961:
10.1660/0022-8443(2004)107[0126:OOPMEI]2.0.CO;2
1626:
1245:
1077:
1697:
10.1660/0022-8443(2007)110[236:ADLCCC]2.0.CO;2
1585:
10.1660/0022-8443(2007)110[107:ALLCCT]2.0.CO;2
532:. The contact between the Carlile Shale and the overlying
1312:. Geolex β Unit Summary. United States Geological Survey
786:
A skull & anterior cervical material (FHSM VP-321).
436:
in the central-western United States, including in the
1505:
New Mexico Geological Society Field Conference Series
1420:
U.S. Geological Survey Oil and Gas Investigations Map
1267:
1943:Everhart, Michael J.; Darnell, Michelle K. (2004).
2096:
329:Carlile Spring and Carlile Station, 21 mi west of
1470:Palaeogeography, Palaeoclimatology, Palaeoecology
584:is pre-settlement digging in the Blue Hill Shale.
4138:
1219:Volcanic mineralization of the Greenhorn cycle:
1942:
1798:
1678:
4008:
3153:
2620:
2124:
2082:
2009:Transactions of the Kansas Academy of Science
1949:Transactions of the Kansas Academy of Science
1905:Transactions of the Kansas Academy of Science
1857:Transactions of the Kansas Academy of Science
1745:Transactions of the Kansas Academy of Science
1685:Transactions of the Kansas Academy of Science
1573:Transactions of the Kansas Academy of Science
1566:
2043:
1679:Shimada, Kenshu; Ystesund, Tracy K. (2007).
1467:
1455:10.1306/03B59A26-16D1-11D7-8645000102C1865D
488:and his coinvestigators had mapped it into
471:
4023:Precambrian chronostratigraphy of Colorado
4015:
4001:
3160:
3146:
2627:
2613:
2131:
2117:
2089:
2075:
2050:Alvin R. Leonard; Delmar W. Berry (1961).
1738:
1567:Shimada, Kenshu; Parris, David C. (2007).
1516:
1398:
1391:U.S. Geological Survey Professional Paper
1365:
1350:
1298:
1262:associated with Bentonite seams and ochre
4192:Upper Cretaceous Series of North America
3168:Paleozoic chronostratigraphy of Colorado
982:
849:
727:
639:
2635:Mesozoic chronostratigraphy of Colorado
2139:Cenozoic chronostratigraphy of Colorado
2002:
1340:
1240:, pyrite in limestone weathered to HFeO
911:2 incomplete vertebrae (FHSM VP-4418).
4139:
1440:
4147:Shale formations of the United States
3996:
3141:
2608:
2112:
2070:
1998:
1996:
1994:
1938:
1936:
1934:
1898:
1896:
1894:
1849:"The Late Cretaceous Lamniform Shark,
1842:
1840:
1838:
1794:
1792:
1790:
1734:
1732:
1730:
1674:
1672:
1670:
1622:
1620:
1618:
1562:
1560:
1558:
1534:
1532:
1530:
1528:
1384:
1286:Plesiosaur stratigraphic distribution
975:
945:Middle of the Fairport Chalk Member.
476:The Carlile Shale was first named by
394:
366:
2671:
1902:
1502:
1413:
16:Geologic formation in the western US
4217:Geologic formations of South Dakota
4212:Geologic formations of North Dakota
4172:Cretaceous formations of New Mexico
823:Portions of a rib (FHSM VP-17299).
596:The bare Blue Hill Shale slopes at
13:
4182:Cretaceous geology of South Dakota
4177:Cretaceous geology of North Dakota
1991:
1931:
1891:
1835:
1801:Journal of Vertebrate Paleontology
1787:
1727:
1667:
1633:Journal of Vertebrate Paleontology
1615:
1555:
1541:, Kansas Academy of Science, 2009.
1525:
1345:. Vol. 17. pp. 551β601.
1162:
1090:
921:
796:
14:
4233:
1368:Kansas Geological Survey Bulletin
632:
608:
374:Carlile Shale (the United States)
1270:
1152:A medial tooth (FHSM VP-15284).
589:
569:
553:
393:
386:
365:
358:
307:
119:
45:
4207:Geologic formations of Nebraska
4197:Geologic formations of Colorado
2588:Independence Mountain Formation
1544:
979:
846:
724:
636:
4222:Geologic formations of Wyoming
1496:
1461:
1434:
1407:
1378:
1359:
1334:
1323:
1073:Fairport Chalky Shale Member.
720:
507:
1:
4202:Geologic formations of Kansas
4187:Cretaceous geology of Wyoming
3566:Morgan Round Valley Formation
1821:10.1080/02724634.2019.1673399
1739:Schumacher, Bruce A. (2011).
1291:
377:Show map of the United States
3399:South Canyon Creek Formation
1653:10.1080/02724634.2013.722576
1490:10.1016/j.palaeo.2005.09.031
842:
7:
1213:
627:
204:170β230 feet (52β70 m)
10:
4238:
3384:Sangre de Cristo Formation
2407:Central Colorado Volcanics
1310:National Geologic Database
543:
4093:
4084:
4055:
4046:
4037:
4028:
3992:
3935:
3926:
3899:
3883:
3874:
3865:
3825:
3816:
3793:
3772:
3763:
3703:Williams Canyon Formation
3693:
3684:
3675:
3609:
3602:Williams Canyon Formation
3593:
3584:
3526:Jacque Mountain Formation
3465:
3456:
3447:
3252:
3243:
3213:
3204:
3195:
3184:
3173:
3137:
3080:
3064:
3055:
3019:
3010:
2992:
2981:
2944:
2906:
2873:
2864:
2837:
2800:Pictured Cliffs Formation
2662:
2651:
2640:
2604:
2583:Gravel Mountain Formation
2501:
2435:
2381:
2372:
2361:
2274:
2251:
2242:
2215:
2206:
2197:
2175:
2166:
2155:
2144:
2108:
1116:Codell Sandstone Member.
1100:
352:
344:
336:
325:
320:
302:
294:
255:
250:
224:
213:
208:
200:
190:
180:
163:
143:
133:
118:
28:
23:
3654:Ste. Genevieve Formation
2317:Martins Canyon Formation
2302:Cedar Mountain Formation
2003:Shimada, Kenshu (1997).
1306:"Geologic Unit: Carlile"
1185:Blue Hill Shale Member.
600:as they appeared in 1873
472:History of investigation
402:Carlile Shale (Colorado)
220:, chalky to carbonaceous
3299:Council Grove Formation
2893:Ralston Creek Formation
2830:Williams Fork Formation
2810:Point Lookout Formation
2484:Poison Canyon Formation
1188:A tooth contained in a
1149:Fairport Chalk Member.
970:
908:Fairport Chalk Member.
815:Mitchell County, Kansas
783:Fairport Chalk Member.
698:Fairport Chalk Member.
518:Western Interior Seaway
3624:Headscrabble Formation
3506:Eagle Valley Evaporite
3404:Stone Corral Formation
2847:Burro Canyon Formation
2444:Blanco Basin Formation
2354:Grouse Mountain Basalt
2342:Wagon Tongue Formation
1167:
1095:
1068:Dixon County, Nebraska
1031:North-central Kansas.
1002:Stratigraphic position
948:7 successive proximal
926:
903:Russell County, Kansas
869:Stratigraphic position
826:May represent a large
801:
747:Stratigraphic position
693:Russell County, Kansas
659:Stratigraphic position
620:remains are among the
4118:Uncompahgre Formation
3751:Pinyon Park Formation
3531:Kansas City Formation
3304:Crestone Conglomerate
3289:Cedar Hills Formation
2954:Glen Canyon Formation
2770:Lion Canyon Formation
2695:Cliff House Sandstone
2690:Castle Gate Formation
2536:Middle Park Formation
2516:Arapahoe Conglomerate
2479:Green River Formation
2332:Troublesome Formation
2297:Browns Park Formation
1851:Cretoxyrhina mantelli
1166:
1094:
925:
800:
576:1867, bluffs west of
426:Upper/Late Cretaceous
4064:Uinta Mountain Group
3731:Kinderhook Formation
3576:Sharpsdale Formation
3511:Glen Eyrie Formation
3424:Wellington Formation
3379:Phosphoria Formation
3374:Owl Canyon Formation
3364:Minnekahta Formation
2852:Horsetooth Formation
2561:South Park Formation
2541:Nacimiento Formation
2531:Fort Union Formation
2322:North Park Formation
2312:Los Pintos Formation
1917:10.1660/062.123.0311
1869:10.1660/062.119.0212
1757:10.1660/062.114.0101
1385:Rubey, W.W. (1931).
1180:Ellis County, Kansas
1144:Ellis County, Kansas
940:Ellis County, Kansas
580:, behind the seated
562:Ellis County, Kansas
486:William Walden Rubey
405:Show map of Colorado
138:Geological formation
127:Ellis County, Kansas
4167:Cretaceous Nebraska
4157:Cretaceous Colorado
3649:St. Louis Formation
3629:Leadville Formation
3414:Wabaunsee Formation
3339:Ingleside Formation
3309:Day Creek Formation
3222:Chugwater Formation
3090:Chugwater Formation
3073:Chugwater Formation
3029:Chugwater Formation
2750:Kremmling Formation
2720:Fruitland Formation
2715:Fox Hills Formation
2710:Fort Hays Limestone
2546:Ojo Alamo Formation
2464:Echo Park Formation
2307:Flat Tops Volcanics
2261:Dry Union Formation
2225:Dry Union Formation
1813:2019JVPal..39E3399S
1645:2013JVPal..33..613S
1482:2006PPP...235..223W
1414:Dane, C.H. (1948).
1278:Paleontology portal
526:Greenhorn Formation
275: /
195:Greenhorn Limestone
30:Stratigraphic range
3848:Arbuckle Formation
3546:Marmaton Formation
3501:Cherokee Formation
3474:Fountain Formation
3434:Wolfcamp Formation
3329:Glorieta Formation
3262:Fountain Formation
3113:Moenkopi Formation
3047:Moenkopi Formation
2936:Sundance Formation
2888:Morrison Formation
2820:Trinidad Formation
2790:Niobrara Formation
2745:Kirtland Formation
2566:Washakie Formation
2556:San Jose Formation
2551:Raton Conglomerate
2474:Huerfano Formation
2469:Farisita Formation
2422:Pinnacle Formation
2390:Arikaree Formation
2327:Santa Fe Formation
2284:Arikaree Formation
2266:Ogallala Formation
2230:Ogallala Formation
2098:Chronostratigraphy
1168:
1096:
985:Cartilaginous fish
976:Cartilaginous fish
927:
820:Blue Hill Member.
802:
534:Niobrara Formation
478:Grove Karl Gilbert
279:38.376Β°N 104.979Β°W
185:Niobrara Formation
4162:Cretaceous Kansas
4134:
4133:
4130:
4129:
4126:
4125:
4113:
4112:
4109:
4108:
4102:Owiyukuts Complex
4071:
4070:
3988:
3987:
3984:
3983:
3980:
3979:
3962:
3961:
3958:
3957:
3950:Sawatch Formation
3922:
3921:
3914:Sawatch Formation
3892:Dotsero Formation
3861:
3860:
3853:Manitou Formation
3843:
3842:
3835:Dotsero Formation
3808:Simpson Formation
3803:Harding Sandstone
3781:Fremont Limestone
3759:
3758:
3746:Parting Formation
3736:Misener Formation
3711:
3710:
3671:
3670:
3667:
3666:
3644:Spergen Formation
3556:Minturn Formation
3521:Hermosa Formation
3486:
3485:
3429:White Horse Group
3394:Shawnee Formation
3389:Satanka Formation
3349:Lansing Formation
3334:Hermosa Formation
3319:Forelle Formation
3279:
3278:
3275:
3274:
3239:
3238:
3133:
3132:
3129:
3128:
3125:
3124:
3121:
3120:
3108:
3107:
3037:
3036:
2977:
2976:
2969:Wingate Sandstone
2959:Kayenta Formation
2921:Entrada Formation
2898:Wanakah Formation
2860:
2859:
2825:Vermejo Formation
2780:Menefee Formation
2760:Laramie Formation
2735:Hygiene Formation
2600:
2599:
2596:
2595:
2578:
2577:
2574:
2573:
2521:Bridger Formation
2494:Wasatch Formation
2449:Cuchara Formation
2417:Conejos Formation
2412:Chadron Formation
2397:
2396:
2350:
2349:
2292:
2291:
2238:
2237:
2193:
2192:
2185:Alamosa Formation
1393:. 165-A: A1βA54.
1205:
1204:
1192:(FHSM VP-13325).
1034:Blue Hill Shale.
968:
967:
952:(FHSM VP-17564).
840:
839:
766:Megacephalosaurus
718:
717:
414:
413:
4229:
4091:
4090:
4053:
4052:
4044:
4043:
4035:
4034:
4017:
4010:
4003:
3994:
3993:
3972:Tintic Formation
3967:Reagan Formation
3945:Lodore Formation
3933:
3932:
3909:Lodore Formation
3881:
3880:
3872:
3871:
3823:
3822:
3770:
3769:
3726:Elbert Formation
3691:
3690:
3682:
3681:
3659:Warsaw Formation
3619:Gilman Formation
3614:Beulah Formation
3591:
3590:
3571:Morrow Formation
3551:Maroon Formation
3536:Kerber Formation
3516:Gothic Formation
3496:Belden Formation
3479:Madera Formation
3463:
3462:
3454:
3453:
3409:Sumner Formation
3369:Opeche Formation
3359:Maroon Formation
3344:Kaibab Limestone
3324:Glendo Formation
3314:Falcon Formation
3284:Blaine Formation
3267:Madera Formation
3250:
3249:
3232:Taloga Formation
3227:Lykins Formation
3211:
3210:
3202:
3201:
3193:
3192:
3188:
3182:
3181:
3177:
3162:
3155:
3148:
3139:
3138:
3100:Taloga Formation
3095:Lykins Formation
3062:
3061:
3017:
3016:
3002:Chinle Formation
2990:
2989:
2985:
2964:Navajo Formation
2916:Carmel Formation
2883:Curtis Formation
2871:
2870:
2815:Smoky Hill Chalk
2700:Codell Sandstone
2680:Benton Formation
2669:
2668:
2660:
2659:
2655:
2649:
2648:
2644:
2629:
2622:
2615:
2606:
2605:
2526:Denver Formation
2511:Animas Formation
2379:
2378:
2370:
2369:
2365:
2249:
2248:
2213:
2212:
2204:
2203:
2173:
2172:
2164:
2163:
2159:
2153:
2152:
2148:
2133:
2126:
2119:
2110:
2109:
2091:
2084:
2077:
2068:
2067:
2061:
2060:
2047:
2041:
2040:
2015:(3/4): 133β138.
2000:
1989:
1988:
1955:(3/4): 126β130.
1940:
1929:
1928:
1900:
1889:
1888:
1844:
1833:
1832:
1796:
1785:
1784:
1736:
1725:
1724:
1691:(3/4): 236β242.
1676:
1665:
1664:
1624:
1613:
1612:
1579:(1/2): 107β115.
1564:
1553:
1548:
1542:
1536:
1523:
1522:
1520:
1500:
1494:
1493:
1476:(1β3): 223β244.
1465:
1459:
1458:
1438:
1432:
1431:
1429:
1427:
1411:
1405:
1404:
1402:
1382:
1376:
1375:
1363:
1357:
1356:
1354:
1338:
1332:
1327:
1321:
1320:
1318:
1317:
1302:
1280:
1275:
1274:
1273:
980:
950:caudal vertebrae
847:
778:Fairport, Kansas
725:
637:
593:
573:
557:
536:is marked by an
482:Pueblo, Colorado
406:
397:
396:
390:
378:
369:
368:
362:
331:Pueblo, Colorado
313:
311:
310:
290:
289:
287:
286:
285:
284:38.376; -104.979
280:
276:
273:
272:
271:
268:
172:Codell Sandstone
153:Benton Formation
123:
114:
44:
21:
20:
4237:
4236:
4232:
4231:
4230:
4228:
4227:
4226:
4137:
4136:
4135:
4122:
4105:
4080:
4067:
4024:
4021:
3976:
3954:
3918:
3895:
3857:
3839:
3812:
3789:
3786:Viola Formation
3755:
3741:Ouray Formation
3716:Aneth Formation
3707:
3663:
3639:Osage Formation
3634:Molas Formation
3605:
3580:
3561:Molas Formation
3541:Keyes Formation
3491:Atoka Formation
3482:
3443:
3419:Weber Formation
3354:Lyons Formation
3294:Chase Formation
3271:
3235:
3186:
3175:
3169:
3166:
3117:
3104:
3076:
3051:
3033:
3006:
2983:
2973:
2940:
2902:
2856:
2833:
2765:Lewis Formation
2755:Lance Formation
2730:Greenhorn Shale
2653:
2642:
2636:
2633:
2592:
2570:
2497:
2489:Uinta Formation
2431:
2427:Pitch Formation
2402:Brule Formation
2393:
2363:
2357:
2346:
2337:Trump Formation
2288:
2270:
2234:
2189:
2157:
2146:
2140:
2137:
2104:
2095:
2065:
2064:
2048:
2044:
2021:10.2307/3628001
2001:
1992:
1941:
1932:
1901:
1892:
1845:
1836:
1807:(4): e1673399.
1797:
1788:
1737:
1728:
1677:
1668:
1625:
1616:
1565:
1556:
1549:
1545:
1537:
1526:
1518:10.1.1.513.8769
1501:
1497:
1466:
1462:
1439:
1435:
1425:
1423:
1412:
1408:
1383:
1379:
1364:
1360:
1339:
1335:
1328:
1324:
1315:
1313:
1304:
1303:
1299:
1294:
1276:
1271:
1269:
1261:
1243:
1234:
1216:
1210:
1207:
1027:C. houghtonorum
978:
973:
957:russellosaurine
933:Russellosaurina
845:
723:
635:
630:
611:
606:
605:
604:
601:
594:
585:
574:
565:
558:
546:
530:calcareous sand
514:Greenhorn cycle
510:
474:
410:
409:
408:
407:
404:
403:
400:
399:
398:
381:
380:
379:
376:
375:
372:
371:
370:
308:
306:
298:Mid-continental
283:
281:
277:
274:
269:
266:
264:
262:
261:
243:
239:
235:
231:
175:
174:Blue Hill Shale
173:
171:
155:
151:
129:
113:
112:
111:
110:
105:
100:
95:
90:
85:
80:
75:
70:
65:
60:
55:
50:
40:93.9β89.8
39:
38:
36:
17:
12:
11:
5:
4235:
4225:
4224:
4219:
4214:
4209:
4204:
4199:
4194:
4189:
4184:
4179:
4174:
4169:
4164:
4159:
4154:
4152:Turonian Stage
4149:
4132:
4131:
4128:
4127:
4124:
4123:
4121:
4120:
4114:
4111:
4110:
4107:
4106:
4104:
4099:
4097:
4088:
4082:
4081:
4079:
4078:
4076:Tava Formation
4072:
4069:
4068:
4066:
4061:
4059:
4050:
4041:
4032:
4026:
4025:
4020:
4019:
4012:
4005:
3997:
3990:
3989:
3986:
3985:
3982:
3981:
3978:
3977:
3975:
3974:
3969:
3963:
3960:
3959:
3956:
3955:
3953:
3952:
3947:
3941:
3939:
3930:
3924:
3923:
3920:
3919:
3917:
3916:
3911:
3905:
3903:
3897:
3896:
3894:
3889:
3887:
3878:
3869:
3863:
3862:
3859:
3858:
3856:
3855:
3850:
3844:
3841:
3840:
3838:
3837:
3831:
3829:
3820:
3814:
3813:
3811:
3810:
3805:
3799:
3797:
3791:
3790:
3788:
3783:
3778:
3776:
3767:
3761:
3760:
3757:
3756:
3754:
3753:
3748:
3743:
3738:
3733:
3728:
3723:
3721:Dyer Formation
3718:
3712:
3709:
3708:
3706:
3705:
3699:
3697:
3688:
3679:
3673:
3672:
3669:
3668:
3665:
3664:
3662:
3661:
3656:
3651:
3646:
3641:
3636:
3631:
3626:
3621:
3616:
3610:
3607:
3606:
3604:
3599:
3597:
3588:
3582:
3581:
3579:
3578:
3573:
3568:
3563:
3558:
3553:
3548:
3543:
3538:
3533:
3528:
3523:
3518:
3513:
3508:
3503:
3498:
3493:
3487:
3484:
3483:
3481:
3476:
3471:
3469:
3460:
3451:
3445:
3444:
3442:
3441:
3439:Yeso Formation
3436:
3431:
3426:
3421:
3416:
3411:
3406:
3401:
3396:
3391:
3386:
3381:
3376:
3371:
3366:
3361:
3356:
3351:
3346:
3341:
3336:
3331:
3326:
3321:
3316:
3311:
3306:
3301:
3296:
3291:
3286:
3280:
3277:
3276:
3273:
3272:
3270:
3269:
3264:
3258:
3256:
3247:
3241:
3240:
3237:
3236:
3234:
3229:
3224:
3219:
3217:
3208:
3199:
3190:
3179:
3171:
3170:
3165:
3164:
3157:
3150:
3142:
3135:
3134:
3131:
3130:
3127:
3126:
3123:
3122:
3119:
3118:
3116:
3115:
3109:
3106:
3105:
3103:
3102:
3097:
3092:
3086:
3084:
3078:
3077:
3075:
3070:
3068:
3059:
3053:
3052:
3050:
3049:
3044:
3042:Jelm Formation
3038:
3035:
3034:
3032:
3031:
3025:
3023:
3014:
3008:
3007:
3005:
3004:
2998:
2996:
2987:
2979:
2978:
2975:
2974:
2972:
2971:
2966:
2961:
2956:
2950:
2948:
2942:
2941:
2939:
2938:
2933:
2931:Page Formation
2928:
2926:Garo Formation
2923:
2918:
2912:
2910:
2904:
2903:
2901:
2900:
2895:
2890:
2885:
2879:
2877:
2868:
2862:
2861:
2858:
2857:
2855:
2854:
2849:
2843:
2841:
2835:
2834:
2832:
2827:
2822:
2817:
2812:
2807:
2802:
2797:
2795:Pando Porphyry
2792:
2787:
2782:
2777:
2772:
2767:
2762:
2757:
2752:
2747:
2742:
2737:
2732:
2727:
2725:Graneros Shale
2722:
2717:
2712:
2707:
2702:
2697:
2692:
2687:
2682:
2677:
2675:
2666:
2657:
2646:
2638:
2637:
2632:
2631:
2624:
2617:
2609:
2602:
2601:
2598:
2597:
2594:
2593:
2591:
2590:
2585:
2579:
2576:
2575:
2572:
2571:
2569:
2568:
2563:
2558:
2553:
2548:
2543:
2538:
2533:
2528:
2523:
2518:
2513:
2507:
2505:
2499:
2498:
2496:
2491:
2486:
2481:
2476:
2471:
2466:
2461:
2456:
2451:
2446:
2441:
2439:
2433:
2432:
2430:
2429:
2424:
2419:
2414:
2409:
2404:
2398:
2395:
2394:
2392:
2387:
2385:
2376:
2367:
2359:
2358:
2356:
2351:
2348:
2347:
2345:
2344:
2339:
2334:
2329:
2324:
2319:
2314:
2309:
2304:
2299:
2293:
2290:
2289:
2287:
2286:
2280:
2278:
2272:
2271:
2269:
2268:
2263:
2257:
2255:
2246:
2240:
2239:
2236:
2235:
2233:
2232:
2227:
2221:
2219:
2210:
2201:
2195:
2194:
2191:
2190:
2188:
2187:
2181:
2179:
2170:
2161:
2150:
2142:
2141:
2136:
2135:
2128:
2121:
2113:
2106:
2105:
2094:
2093:
2086:
2079:
2071:
2063:
2062:
2042:
1990:
1930:
1890:
1863:(2): 208β210.
1834:
1786:
1726:
1666:
1639:(3): 613β628.
1614:
1554:
1543:
1524:
1495:
1460:
1433:
1406:
1400:10.3133/pp165A
1377:
1358:
1352:10.3133/ar17_2
1333:
1322:
1296:
1295:
1293:
1290:
1289:
1288:
1282:
1281:
1266:
1265:
1264:
1263:
1259:
1253:
1241:
1235:
1232:
1226:
1215:
1212:
1203:
1202:
1200:
1193:
1186:
1183:
1177:
1170:
1169:
1160:
1153:
1150:
1147:
1136:
1134:P. mammillaris
1130:
1129:
1127:
1120:
1117:
1114:
1111:
1106:
1098:
1097:
1088:
1085:mackerel shark
1081:
1074:
1071:
1065:
1060:
1052:
1051:
1049:
1046:mackerel shark
1042:
1035:
1032:
1029:
1024:
1016:
1015:
1012:
1009:
1004:
999:
996:
993:
989:
988:
977:
974:
972:
969:
966:
965:
963:
953:
946:
943:
937:
935:
929:
928:
919:
912:
909:
906:
900:
891:
883:
882:
879:
876:
871:
866:
863:
860:
856:
855:
844:
841:
838:
837:
835:
824:
821:
818:
812:
810:
804:
803:
794:
787:
784:
781:
774:
769:
761:
760:
757:
754:
749:
744:
741:
738:
734:
733:
722:
719:
716:
715:
713:
706:
699:
696:
690:
681:
673:
672:
669:
666:
661:
656:
653:
650:
646:
645:
642:Crocodyliforms
634:
633:Crocodyliforms
631:
629:
626:
614:Upper Turonian
610:
609:Fossil content
607:
603:
602:
595:
588:
586:
575:
568:
566:
559:
552:
549:
548:
547:
545:
542:
522:Graneros Shale
509:
506:
473:
470:
412:
411:
401:
392:
391:
385:
384:
383:
382:
373:
364:
363:
357:
356:
355:
354:
353:
350:
349:
346:
342:
341:
338:
334:
333:
327:
323:
322:
318:
317:
304:
300:
299:
296:
292:
291:
259:
253:
252:
248:
247:
226:
222:
221:
215:
211:
210:
206:
205:
202:
198:
197:
192:
188:
187:
182:
178:
177:
176:Fairport Chalk
165:
161:
160:
148:Colorado Group
145:
141:
140:
135:
131:
130:
124:
116:
115:
108:
107:
106:
101:
96:
91:
86:
81:
76:
71:
66:
61:
56:
51:
46:
26:
25:
15:
9:
6:
4:
3:
2:
4234:
4223:
4220:
4218:
4215:
4213:
4210:
4208:
4205:
4203:
4200:
4198:
4195:
4193:
4190:
4188:
4185:
4183:
4180:
4178:
4175:
4173:
4170:
4168:
4165:
4163:
4160:
4158:
4155:
4153:
4150:
4148:
4145:
4144:
4142:
4119:
4116:
4115:
4103:
4100:
4098:
4096:
4092:
4089:
4087:
4083:
4077:
4074:
4073:
4065:
4062:
4060:
4058:
4054:
4051:
4049:
4045:
4042:
4040:
4036:
4033:
4031:
4027:
4018:
4013:
4011:
4006:
4004:
3999:
3998:
3995:
3991:
3973:
3970:
3968:
3965:
3964:
3951:
3948:
3946:
3943:
3942:
3940:
3938:
3934:
3931:
3929:
3925:
3915:
3912:
3910:
3907:
3906:
3904:
3902:
3898:
3893:
3890:
3888:
3886:
3882:
3879:
3877:
3873:
3870:
3868:
3864:
3854:
3851:
3849:
3846:
3845:
3836:
3833:
3832:
3830:
3828:
3824:
3821:
3819:
3815:
3809:
3806:
3804:
3801:
3800:
3798:
3796:
3792:
3787:
3784:
3782:
3779:
3777:
3775:
3771:
3768:
3766:
3762:
3752:
3749:
3747:
3744:
3742:
3739:
3737:
3734:
3732:
3729:
3727:
3724:
3722:
3719:
3717:
3714:
3713:
3704:
3701:
3700:
3698:
3696:
3692:
3689:
3687:
3683:
3680:
3678:
3674:
3660:
3657:
3655:
3652:
3650:
3647:
3645:
3642:
3640:
3637:
3635:
3632:
3630:
3627:
3625:
3622:
3620:
3617:
3615:
3612:
3611:
3608:
3603:
3600:
3598:
3596:
3592:
3589:
3587:
3583:
3577:
3574:
3572:
3569:
3567:
3564:
3562:
3559:
3557:
3554:
3552:
3549:
3547:
3544:
3542:
3539:
3537:
3534:
3532:
3529:
3527:
3524:
3522:
3519:
3517:
3514:
3512:
3509:
3507:
3504:
3502:
3499:
3497:
3494:
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3489:
3488:
3480:
3477:
3475:
3472:
3470:
3468:
3464:
3461:
3459:
3455:
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3446:
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3432:
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3412:
3410:
3407:
3405:
3402:
3400:
3397:
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3377:
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3327:
3325:
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3307:
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3260:
3259:
3257:
3255:
3251:
3248:
3246:
3242:
3233:
3230:
3228:
3225:
3223:
3220:
3218:
3216:
3215:Changhsingian
3212:
3209:
3207:
3203:
3200:
3198:
3194:
3191:
3189:
3183:
3180:
3178:
3172:
3163:
3158:
3156:
3151:
3149:
3144:
3143:
3140:
3136:
3114:
3111:
3110:
3101:
3098:
3096:
3093:
3091:
3088:
3087:
3085:
3083:
3079:
3074:
3071:
3069:
3067:
3063:
3060:
3058:
3054:
3048:
3045:
3043:
3040:
3039:
3030:
3027:
3026:
3024:
3022:
3018:
3015:
3013:
3009:
3003:
3000:
2999:
2997:
2995:
2991:
2988:
2986:
2980:
2970:
2967:
2965:
2962:
2960:
2957:
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2927:
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2905:
2899:
2896:
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2889:
2886:
2884:
2881:
2880:
2878:
2876:
2872:
2869:
2867:
2863:
2853:
2850:
2848:
2845:
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2840:
2836:
2831:
2828:
2826:
2823:
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2818:
2816:
2813:
2811:
2808:
2806:
2803:
2801:
2798:
2796:
2793:
2791:
2788:
2786:
2783:
2781:
2778:
2776:
2773:
2771:
2768:
2766:
2763:
2761:
2758:
2756:
2753:
2751:
2748:
2746:
2743:
2741:
2738:
2736:
2733:
2731:
2728:
2726:
2723:
2721:
2718:
2716:
2713:
2711:
2708:
2706:
2703:
2701:
2698:
2696:
2693:
2691:
2688:
2686:
2685:Carlile Shale
2683:
2681:
2678:
2676:
2674:
2670:
2667:
2665:
2661:
2658:
2656:
2650:
2647:
2645:
2639:
2630:
2625:
2623:
2618:
2616:
2611:
2610:
2607:
2603:
2589:
2586:
2584:
2581:
2580:
2567:
2564:
2562:
2559:
2557:
2554:
2552:
2549:
2547:
2544:
2542:
2539:
2537:
2534:
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2529:
2527:
2524:
2522:
2519:
2517:
2514:
2512:
2509:
2508:
2506:
2504:
2500:
2495:
2492:
2490:
2487:
2485:
2482:
2480:
2477:
2475:
2472:
2470:
2467:
2465:
2462:
2460:
2459:Dawson Arkose
2457:
2455:
2452:
2450:
2447:
2445:
2442:
2440:
2438:
2434:
2428:
2425:
2423:
2420:
2418:
2415:
2413:
2410:
2408:
2405:
2403:
2400:
2399:
2391:
2388:
2386:
2384:
2380:
2377:
2375:
2371:
2368:
2366:
2360:
2355:
2352:
2343:
2340:
2338:
2335:
2333:
2330:
2328:
2325:
2323:
2320:
2318:
2315:
2313:
2310:
2308:
2305:
2303:
2300:
2298:
2295:
2294:
2285:
2282:
2281:
2279:
2277:
2273:
2267:
2264:
2262:
2259:
2258:
2256:
2254:
2250:
2247:
2245:
2241:
2231:
2228:
2226:
2223:
2222:
2220:
2218:
2214:
2211:
2209:
2205:
2202:
2200:
2196:
2186:
2183:
2182:
2180:
2178:
2174:
2171:
2169:
2165:
2162:
2160:
2154:
2151:
2149:
2143:
2134:
2129:
2127:
2122:
2120:
2115:
2114:
2111:
2107:
2103:
2099:
2092:
2087:
2085:
2080:
2078:
2073:
2072:
2069:
2059:
2055:
2054:
2046:
2038:
2034:
2030:
2026:
2022:
2018:
2014:
2010:
2006:
1999:
1997:
1995:
1986:
1982:
1978:
1974:
1970:
1966:
1962:
1958:
1954:
1950:
1946:
1939:
1937:
1935:
1926:
1922:
1918:
1914:
1910:
1906:
1899:
1897:
1895:
1886:
1882:
1878:
1874:
1870:
1866:
1862:
1858:
1854:
1852:
1843:
1841:
1839:
1830:
1826:
1822:
1818:
1814:
1810:
1806:
1802:
1795:
1793:
1791:
1782:
1778:
1774:
1770:
1766:
1762:
1758:
1754:
1751:(1/2): 1β14.
1750:
1746:
1742:
1735:
1733:
1731:
1722:
1718:
1714:
1710:
1706:
1702:
1698:
1694:
1690:
1686:
1682:
1675:
1673:
1671:
1662:
1658:
1654:
1650:
1646:
1642:
1638:
1634:
1630:
1623:
1621:
1619:
1610:
1606:
1602:
1598:
1594:
1590:
1586:
1582:
1578:
1574:
1570:
1563:
1561:
1559:
1551:
1547:
1540:
1535:
1533:
1531:
1529:
1519:
1514:
1510:
1506:
1499:
1491:
1487:
1483:
1479:
1475:
1471:
1464:
1456:
1452:
1448:
1444:
1443:AAPG Bulletin
1437:
1421:
1417:
1410:
1401:
1396:
1392:
1388:
1381:
1373:
1369:
1362:
1353:
1348:
1344:
1337:
1331:
1326:
1311:
1307:
1301:
1297:
1287:
1284:
1283:
1279:
1268:
1257:
1254:
1251:
1247:
1239:
1236:
1230:
1227:
1224:
1221:
1220:
1218:
1217:
1211:
1208:
1201:
1198:
1194:
1191:
1187:
1184:
1181:
1178:
1175:
1172:
1171:
1165:
1161:
1158:
1154:
1151:
1148:
1145:
1141:
1137:
1135:
1132:
1131:
1128:
1125:
1121:
1118:
1115:
1112:
1110:
1109:P. latissimus
1107:
1105:
1104:
1099:
1093:
1089:
1086:
1082:
1079:
1075:
1072:
1069:
1066:
1064:
1061:
1059:
1058:
1054:
1053:
1050:
1047:
1043:
1040:
1036:
1033:
1030:
1028:
1025:
1023:
1022:
1018:
1017:
1013:
1010:
1008:
1005:
1003:
1000:
997:
994:
991:
990:
987:
986:
981:
964:
961:
958:
954:
951:
947:
944:
941:
938:
936:
934:
931:
930:
924:
920:
917:
916:dolichosaurid
913:
910:
907:
904:
901:
899:
898:C. crassidens
895:
892:
890:
889:
885:
884:
880:
877:
875:
872:
870:
867:
864:
861:
858:
857:
854:
853:
848:
836:
833:
829:
825:
822:
819:
816:
813:
811:
809:
806:
805:
799:
795:
792:
788:
785:
782:
779:
775:
773:
770:
768:
767:
763:
762:
758:
755:
753:
750:
748:
745:
742:
739:
736:
735:
732:
731:
726:
714:
711:
707:
704:
700:
697:
694:
691:
689:
685:
682:
680:
679:
675:
674:
670:
667:
665:
662:
660:
657:
654:
651:
648:
647:
644:
643:
638:
625:
623:
619:
615:
599:
592:
587:
583:
579:
572:
567:
563:
556:
551:
550:
541:
539:
535:
531:
527:
523:
519:
515:
505:
503:
499:
495:
491:
487:
483:
479:
469:
467:
463:
459:
455:
451:
447:
443:
439:
435:
431:
427:
423:
419:
418:Carlile Shale
389:
361:
351:
347:
343:
339:
335:
332:
328:
324:
319:
316:
315:United States
305:
301:
297:
293:
288:
260:
258:
254:
249:
246:
242:
238:
234:
230:
227:
223:
219:
216:
212:
207:
203:
199:
196:
193:
189:
186:
183:
179:
169:
166:
162:
158:
154:
149:
146:
142:
139:
136:
132:
128:
122:
117:
104:
99:
94:
89:
84:
79:
74:
69:
64:
59:
54:
49:
43:
35:
31:
27:
24:Carlile Shale
22:
19:
2805:Pierre Shale
2775:Mancos Shale
2705:Dakota Group
2684:
2057:
2052:
2045:
2012:
2008:
1952:
1948:
1908:
1904:
1860:
1856:
1850:
1804:
1800:
1748:
1744:
1688:
1684:
1636:
1632:
1576:
1572:
1546:
1508:
1504:
1498:
1473:
1469:
1463:
1446:
1442:
1436:
1424:. Retrieved
1419:
1409:
1390:
1380:
1371:
1367:
1361:
1342:
1336:
1325:
1314:. Retrieved
1309:
1300:
1250:yellow ochre
1209:
1206:
1197:ptychodontid
1173:
1157:ptychodontid
1133:
1124:ptychodontid
1108:
1101:
1062:
1057:Cretoxyrhina
1055:
1026:
1019:
1006:
1001:
983:
897:
893:
886:
873:
868:
850:
808:Plesiosauria
771:
764:
751:
746:
728:
687:
683:
678:Terminonaris
676:
663:
658:
640:
612:
538:unconformity
511:
498:Mancos Shale
475:
462:South Dakota
458:North Dakota
438:Great Plains
417:
415:
345:Year defined
321:Type section
157:Mancos Group
18:
3827:Tremadocian
3595:Tournaisian
2785:Mowry Shale
2740:Juana Lopez
2454:D2 Sequence
2177:Pleistocene
1511:: 259β266.
1426:23 November
1063:C. mantelli
888:Coniasaurus
730:Plesiosaurs
721:Plesiosaurs
710:pholidosaur
508:Description
494:Black Hills
282: /
270:104Β°58β²44β³W
257:Coordinates
168:Juana Lopez
150:(lower); or
4141:Categories
3937:Guzhangian
3245:Cisuralian
2276:Aquitanian
1374:(1): 1β86.
1316:2017-02-03
1292:References
1246:rust stain
1140:Schoenchen
828:elasmosaur
791:pliosaurid
772:M. eulerti
701:A partial
618:plesiosaur
502:New Mexico
454:New Mexico
440:region of
267:38Β°22β²34β³N
241:Septarians
3876:Furongian
3695:Famennian
3206:Lopingian
3066:Olenekian
2503:Paleocene
2374:Oligocene
2253:Messinian
2029:0022-8443
1969:0022-8443
1925:226238444
1877:0022-8443
1829:209439997
1765:0022-8443
1705:0022-8443
1661:130165209
1593:0022-8443
1513:CiteSeerX
1223:Bentonite
1190:coprolite
1138:North of
1119:3 teeth.
1103:Ptychodus
1080:129549).
1076:A tooth (
1039:cartilage
998:Location
865:Location
852:Squamates
843:Squamates
743:Location
688:T. browni
655:Location
598:Yocemento
504:in 1948.
434:formation
432:geologic
326:Named for
245:Bentonite
237:Siltstone
233:Sandstone
229:Limestone
209:Lithology
201:Thickness
181:Underlies
164:Sub-units
4095:Siderian
3928:Series 3
3885:Stage 10
3467:Gzhelian
3254:Asselian
2383:Chattian
2217:Zanclean
2208:Pliocene
2102:Colorado
1985:85825569
1885:88299661
1781:84678673
1773:41309621
1721:86027583
1713:20476320
1609:86273062
1601:20476300
1256:Selenite
1238:Limonite
1214:See also
1113:Kansas.
1083:A large
1021:Cretodus
1007:Material
960:mosasaur
874:Material
832:pliosaur
752:Material
664:Material
628:Reptiles
582:soldiers
492:and the
450:Nebraska
442:Colorado
422:Turonian
337:Named by
251:Location
191:Overlies
170:(CO, NM)
34:Turonian
3901:Paibian
3021:Anisian
2244:Miocene
2037:3628001
1977:3627900
1911:(3β4).
1809:Bibcode
1641:Bibcode
1478:Bibcode
1422:. OM-78
1014:Images
995:Species
881:Images
862:Species
759:Images
740:Species
703:rostrum
671:Images
652:Species
622:fossils
616:series
544:Gallery
516:of the
466:Wyoming
428:series
340:Gilbert
303:Country
214:Primary
144:Unit of
109:↓
4057:Tonian
3795:Middle
3082:Induan
3012:Middle
2908:Middle
2437:Eocene
2035:
2027:
1983:
1975:
1967:
1923:
1883:
1875:
1827:
1779:
1771:
1763:
1719:
1711:
1703:
1659:
1607:
1599:
1591:
1515:
1258:, CaSO
1229:Pyrite
490:Kansas
464:, and
446:Kansas
312:
295:Region
3818:Lower
3774:Upper
3686:Upper
3057:Lower
2994:Upper
2946:Lower
2875:Upper
2839:Lower
2673:Upper
2033:JSTOR
1981:S2CID
1973:JSTOR
1921:S2CID
1881:S2CID
1825:S2CID
1777:S2CID
1769:JSTOR
1717:S2CID
1709:JSTOR
1657:S2CID
1605:S2CID
1597:JSTOR
1011:Notes
992:Genus
878:Notes
859:Genus
776:Near
756:Notes
737:Genus
668:Notes
649:Genus
430:shale
420:is a
225:Other
218:Shale
2025:ISSN
1965:ISSN
1873:ISSN
1761:ISSN
1701:ISSN
1589:ISSN
1428:2020
1176:sp.
1078:UNSM
971:Fish
896:cf.
686:cf.
578:Hays
524:and
424:age
416:The
348:1896
159:(NM)
134:Type
48:Preκ
2100:of
2017:doi
2013:100
1957:doi
1953:107
1913:doi
1909:123
1865:doi
1861:119
1817:doi
1753:doi
1749:114
1693:doi
1689:110
1649:doi
1581:doi
1577:110
1486:doi
1474:235
1451:doi
1395:doi
1347:doi
1248:or
830:or
500:in
4143::
4030:pΠ
3187:Pz
3176:Ph
2984:Tr
2654:Mz
2643:Ph
2364:Pe
2158:Cz
2147:Ph
2031:.
2023:.
2011:.
2007:.
1993:^
1979:.
1971:.
1963:.
1951:.
1947:.
1933:^
1919:.
1907:.
1893:^
1879:.
1871:.
1859:.
1855:.
1837:^
1823:.
1815:.
1805:39
1803:.
1789:^
1775:.
1767:.
1759:.
1747:.
1743:.
1729:^
1715:.
1707:.
1699:.
1687:.
1683:.
1669:^
1655:.
1647:.
1637:33
1635:.
1631:.
1617:^
1603:.
1595:.
1587:.
1575:.
1571:.
1557:^
1527:^
1509:24
1507:.
1484:.
1472:.
1449:.
1447:66
1445:.
1418:.
1389:.
1372:10
1370:.
1308:.
1199:.
1195:A
1182:.
1174:P.
1159:.
1155:A
1146:.
1142:,
1126:.
1122:A
1087:.
1070:.
1048:.
1044:A
1041:.
962:.
955:A
942:.
918:.
914:A
905:.
894:C.
834:.
817:.
793:.
789:A
780:.
712:.
708:A
705:.
695:.
684:T.
468:.
460:,
456:,
452:,
448:,
444:,
98:Pg
42:Ma
32::
4086:X
4048:Z
4039:β
4016:e
4009:t
4002:v
3867:Π
3765:O
3677:D
3586:M
3458:β
3449:C
3197:P
3161:e
3154:t
3147:v
2866:J
2664:K
2628:e
2621:t
2614:v
2199:N
2168:Q
2132:e
2125:t
2118:v
2090:e
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2076:v
2039:.
2019::
1987:.
1959::
1927:.
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1695::
1663:.
1651::
1643::
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1242:2
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564:.
103:N
93:K
88:J
83:T
78:P
73:C
68:D
63:S
58:O
53:κ
37:~
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