462:
364:
592:
336:
604:
580:
119:
317:
1061:
287:
371:
343:
299:
853:
841:
616:
507:
The formation is subdivided into the upper Fossil
Forrest Member (deposited between about 75.5-75 million years ago) and the lower Ne-nah-ne-zad Member (deposited from 76.3-75.5 million years ago). The Fossil Forrest member is considered to be part of the Hunter Wash, fauna shared with the overlying
496:
period), and was deposited over a period of about a million years. Radiometric dating from 23 meters above the base of the formation has yielded an age of 76.03 ± 0.41 Ma ago. An ash bed lying above the upper boundary with the
Kirtland Formation has been dated to 75.02 ± 0.13 Ma ago. The underlying
1145:
3801:
2946:
2413:
1917:
743:
A partial skull, syncervical vertebrae, cervical vertebrae, dorsal vertebrae, sacral vertebrae, caudal vertebrae, ribs, humeri, radius, femora, tibiae, fibula, ilia, ischia, and ossified tendons.
3808:
2953:
1174:
2420:
2381:
1924:
3359:
3192:
1452:"Re-evaluation of pachycephalosaurids from the Fruitland-Kirtland transition (Kirtlandian, late Campanian), San Juan Basin, New Mexico, with a description of a new species of
488:. As the seaway retreated, the Pictured Cliffs was covered by the Fruitland Formation, which was deposited in near-shore swampy lowlands. The formation is dated to the late
1205:"Revised geochronology, correlation, and dinosaur stratigraphic ranges of the Santonian-Maastrichtian (Late Cretaceous) formations of the Western Interior of North America"
2200:
1146:"The Kirtlandian land-vertebrate "age" – faunal composition, temporal position and biostratigraphic correlation in the nonmarine Upper Cretaceous of western North America"
4010:
3496:
3395:
3319:
2376:
1451:
2110:
3092:
2686:
3417:
3299:
3197:
2237:
2147:
2135:
1882:
3544:
3097:
3082:
2747:
2563:
2483:
2309:
1815:
1764:
David C. Evans, Derek
William Larson, Thomas Michael Cullen & Robert M Sullivan (2014) ‘Saurornitholestes’ robustus is a troodontid (Dinosauria: Theropoda).
1748:
David C. Evans, Derek
William Larson, Thomas Michael Cullen & Robert M Sullivan (2014) ‘Saurornitholestes’ robustus is a troodontid (Dinosauria: Theropoda).
1121:
3524:
3369:
3304:
3167:
2645:
2354:
2105:
1111:
3422:
3132:
3102:
2543:
2257:
2100:
2054:
2018:
1116:
3641:
3339:
3294:
3227:
2613:
2344:
2215:
3895:
3794:
3646:
3601:
3574:
3539:
3529:
3437:
3222:
3187:
3142:
3112:
2528:
2210:
3965:
3765:
3760:
3738:
3702:
3412:
3407:
3329:
3309:
3289:
3202:
3162:
3117:
3107:
3025:
3020:
2893:
2888:
3945:
3432:
3334:
2939:
2558:
2523:
2220:
2130:
3869:
2724:
2719:
2588:
2406:
1910:
484:. The underlying Pictured Cliffs is a marginal marine sandstone, deposited in an environment similar to offshore barrier islands of the southeast
1664:
1324:"Description and rediagnosis of the crested hadrosaurid (Ornithopoda) dinosaur Parasaurolophus cyrtocristatus on the basis of new cranial remains"
3970:
2247:
3955:
1875:
645:
A partial skull associated with a mostly complete postcranial skeleton, and a partial skull and fragmentary ribs of a juvenile individual.
335:
363:
1665:"Dinosaurs, the age of the Fruitland and Kirtland Formations, and the Cretaceous-Tertiary boundary in the San Juan Basin, New Mexico"
1098:. The methane released from the Fruitland Formation, through oil and gas production and a bit of natural seepage, contributes to the
3940:
458:. It was laid down in marshy delta conditions, with poor drainage and frequent flooding, under a warm, humid and seasonal climate.
1868:
1075:
that are mined in places along the outcrop. Original reserves of coal in the formation have been estimated at 200 billion tons.
3985:
1474:
4020:
1840:
1783:"Geology and Fuel Resources of the Fruitland Formation and Kirtland Shale of the San Juan Basin, New Mexico and Colorado"
210:
3995:
1591:
4015:
1727:
1684:
249:
1392:"Transitional evolutionary forms in chasmosaurine ceratopsid dinosaurs: evidence from the Campanian of New Mexico"
4000:
461:
1582:
1190:
National
Geographic Map of the Day, published in May 2014, depicting North America about 77 million years ago;
3990:
1280:
1547:, gen. et sp. nov., a new tyrannosauroid from New Mexico and the origin of deep snouts in Tyrannosauroidea."
1099:
3950:
1587:, gen. et sp. nov., a new tyrannosauroid from New Mexico and the origin of deep snouts in Tyrannosauroidea"
203:
4005:
3177:
2503:
1065:
481:
3980:
2593:
470:
162:
822:
A rostral ramus of a lacrimal, and a partial skull and postcranial skeleton of an adult individual.
3975:
3960:
3447:
2095:
413:
3251:
2623:
2603:
2277:
1769:
1753:
497:
Pictured Cliffs
Sandstone would be dated 76.94 - 76.27 Ma, based on the presence of the ammonite
435:
1281:"A New Hadrosaur Track from the Upper Cretaceous Fruitland Formation of Northwestern New Mexico"
2640:
591:
3911:
3324:
2488:
2329:
2272:
2125:
2090:
656:
431:
1191:
3857:
3217:
3172:
3157:
2533:
2334:
2324:
2115:
1600:
1518:
1216:
1078:
Since the 1980s, the coal beds of the
Fruitland Formation have yielded large quantities of
717:
132:
1669:
The
Cretaceous-Tertiary Boundary in the San Juan and Raton Basins, New Mexico and Colorado
8:
3442:
3379:
3207:
3015:
2883:
2866:
2822:
2508:
2339:
1705:
1713:
1604:
1522:
1220:
3267:
3122:
3055:
2906:
2840:
2729:
2681:
2583:
2538:
2359:
2349:
2267:
2262:
2183:
2120:
2077:
2059:
2023:
1891:
1616:
1418:
1391:
1358:
1323:
1247:
1204:
833:
751:
721:
690:
474:
397:
152:
3743:
3721:
3707:
3685:
3678:
3628:
3596:
3588:
3349:
3314:
3182:
3127:
2762:
2752:
2714:
2691:
2618:
2573:
2553:
2493:
2314:
2287:
2242:
2205:
1978:
1723:
1680:
1423:
1363:
1345:
1252:
1234:
908:
1620:
3879:
3611:
3567:
3519:
3452:
3364:
3344:
3272:
3152:
3137:
3077:
3060:
2795:
2757:
2709:
2676:
2632:
2608:
2473:
2466:
2319:
2304:
1794:
1672:
1608:
1556:
1526:
1413:
1403:
1353:
1335:
1242:
1224:
829:
499:
446:
The
Fruitland Formation is a sedimentary geological formation containing layers of
1663:
Lucas, Spencer G.; Mateer, Niall J.; Hunt, Adrian P.; O'Neill, F. Michael (1987).
1530:
603:
3579:
3534:
3509:
3427:
3354:
3284:
3212:
3147:
3087:
2805:
2701:
2548:
2282:
2195:
1860:
1717:
1229:
1083:
1079:
1072:
882:
867:
826:
631:
584:
571:
424:
3841:
3514:
3479:
3232:
2850:
2835:
2787:
2739:
2668:
2518:
2069:
1671:. Geological Society of America Special Papers. Vol. 209. pp. 35–50.
1094:
state line, and is one of the most productive areas for coalbed methane in the
905:
890:
845:
808:
767:
730:
683:
649:
620:
401:
242:
1612:
1560:
579:
118:
3934:
3242:
3008:
2478:
2252:
1349:
1238:
1095:
901:
Distal end of metatarsals, distal end of a phalanx, and foot-bone fragments.
747:
665:
652:
596:
554:
525:
485:
420:
322:
264:
251:
225:
212:
70:
27:
2598:
2568:
2498:
1709:
1467:
Fossil Record 3. New Mexico Museum of
Natural History and Science, Bulletin
1427:
1367:
1256:
1060:
945:
936:
918:
857:
686:
1841:"Methane "hot spot" over Four Corners linked to oil, gas production sites"
3832:
3823:
3620:
3388:
2968:
2578:
2435:
1970:
1939:
1178:
1025:
778:
45:
1340:
3730:
3558:
3038:
2457:
1961:
1676:
1408:
1091:
1011:
699:
608:
493:
478:
405:
292:
123:
Fruitland Formation at its type location north of Fruitland, New Mexico
90:
55:
1322:
Gates, Terry A.; Evans, David C.; Sertich, Joseph J. W. (2021-01-25).
3669:
3488:
2999:
2979:
2859:
2296:
2167:
2156:
2046:
489:
447:
417:
177:
95:
39:
31:
1449:
504:
therefore placing the base of the Fruitland Formation at ~76.3 Ma.
3888:
3660:
3470:
3260:
3047:
2776:
2659:
2446:
2176:
2010:
2001:
1950:
1895:
1087:
409:
304:
85:
80:
65:
60:
50:
1799:
1782:
1509:, a giant horned dinosaur from the Late Campanian of New Mexico".
852:
3694:
2990:
2814:
2037:
1992:
1018:
840:
713:
Partial remains of frontals and nearly complete frontoparietal.
615:
100:
75:
3850:
2875:
2230:
771:
may actually have originated in the upper Fruitland Formation.
3816:
1770:
http://www.nrcresearchpress.com/doi/abs/10.1139/cjes-2014-0073
1754:
http://www.nrcresearchpress.com/doi/abs/10.1139/cjes-2014-0073
989:
477:. The sequence of rocks represents the final filling of the
451:
187:
2961:
569:
Giant hadrosaur track, indicating an individual larger than
2428:
1932:
455:
191:
1662:
1722:. Berkeley: University of California Press. p. 580.
1192:
https://twitter.com/natgeomaps/status/1129816543251054592
1150:
New Mexico Museum of Natural History and Science Bulletin
1704:
1122:
List of fossiliferous stratigraphic units in New Mexico
1112:
List of stratigraphic units with dinosaur body fossils
1576:
1574:
1572:
1570:
1568:
1389:
1288:
New Mexico Geological Society Field Conference Series
1117:
List of fossiliferous stratigraphic units in Colorado
679:
nearly complete skulls and a nearly complete frill.
434:. That city is on what was the western shore of the
4011:Fossiliferous stratigraphic units of North America
1890:
1565:
1816:"Geologist: Coal outcrops cause methane hot spot"
1445:
1443:
1441:
1439:
1437:
1321:
3932:
1768:51: (7): 730-734. doi: 10.1139/cjes-2014-0073
1752:51: (7): 730-734. doi: 10.1139/cjes-2014-0073
1581:Carr, Thomas D.; Williamson, Thomas E. (2010).
1450:Steven E. Jasinski; Robert M. Sullivan (2011).
16:Geological formation in New Mexico and Colorado
1580:
1500:
1498:
1496:
1494:
1434:
1139:
1137:
3802:
2947:
2414:
1918:
1876:
1658:
1656:
1654:
1652:
1650:
1143:
430:The Fruitland Formation shares its name with
1780:
1700:
1698:
1696:
1648:
1646:
1644:
1642:
1640:
1638:
1636:
1634:
1632:
1630:
1390:Fowler, D.W.; Freedman Fowler, E.A. (2020).
1385:
1383:
1381:
1379:
1377:
984:
465:San Juan Basin Upper Cretaceous stratigraphy
1491:
1317:
1315:
1313:
1311:
1309:
1279:Hunt, Adrian P.; Lucas, Spencer G. (2003).
1134:
750:, holotype may possibly have come from the
370:
342:
3817:Precambrian chronostratigraphy of Colorado
3809:
3795:
2954:
2940:
2421:
2407:
1925:
1911:
1883:
1869:
117:
3966:Sandstone formations of the United States
1798:
1787:U.S. Geological Survey Professional Paper
1781:Fassett, James E.; Hinds, Jim S. (1971).
1693:
1627:
1543:Carr, T.D. and Williamson, T.E. (2010). "
1417:
1407:
1374:
1357:
1339:
1278:
1274:
1272:
1270:
1268:
1266:
1246:
1228:
1071:The Fruitland Formation contains beds of
3946:Upper Cretaceous Series of North America
2962:Paleozoic chronostratigraphy of Colorado
1537:
1504:
1306:
1059:
963:sp., referral to Troodontidae doubtful.
851:
839:
776:
746:Possibly represents a junior synonym of
614:
602:
590:
578:
523:
460:
2429:Mesozoic chronostratigraphy of Colorado
1933:Cenozoic chronostratigraphy of Colorado
1838:
416:. It contains fossils dating it to the
350:Fruitland Formation (the United States)
3933:
1813:
1263:
1202:
3971:Shale formations of the United States
3790:
2935:
2402:
1906:
1864:
1203:Fowler, Denver Warwick (2017-11-22).
2465:
1144:Sullivan, R.M.; Lucas, S.G. (2006).
3956:Cretaceous formations of New Mexico
1168:
1055:
1041:Uncertain or tentative taxa are in
13:
1766:Canadian Journal of Earth Sciences
1750:Canadian Journal of Earth Sciences
1592:Journal of Vertebrate Paleontology
1549:Journal of Vertebrate Paleontology
473:, and overlain by the more recent
469:The Fruitland is underlain by the
14:
4032:
1001:Taxon falsely reported as present
516:
378:Fruitland Formation (New Mexico)
369:
362:
341:
334:
315:
297:
285:
43:
3941:Geologic formations of Colorado
2382:Independence Mountain Formation
1832:
1807:
1774:
1758:
1742:
1006:Dubious taxon or junior synonym
935:Material possibly referable to
773:
760:
575:, the largest known hadrosaur.
520:
1814:Fenton, James (May 12, 2016).
1196:
1184:
441:
1:
3986:Ichnofossiliferous formations
3360:Morgan Round Valley Formation
1531:10.1016/j.cretres.2010.12.007
1127:
1100:Four Corners Methane Hot Spot
765:Some remains (OMNH 10131) of
511:
353:Show map of the United States
3193:South Canyon Creek Formation
1230:10.1371/journal.pone.0188426
243:Approximate paleocoordinates
7:
1839:Elliott, Dan (2016-08-15).
1719:The Dinosauria, 2nd edition
1105:
1082:. The productive area for
1064:Fruitland Formation at the
968:
10:
4037:
4021:Paleontology in New Mexico
3178:Sangre de Cristo Formation
2201:Central Colorado Volcanics
838:
781:of the Fruitland Formation
720:also known from the lower
577:
528:of the Fruitland Formation
508:lower Kirtland Formation.
3996:Reservoir rock formations
3887:
3878:
3849:
3840:
3831:
3822:
3786:
3729:
3720:
3693:
3677:
3668:
3659:
3619:
3610:
3587:
3566:
3557:
3497:Williams Canyon Formation
3487:
3478:
3469:
3403:
3396:Williams Canyon Formation
3387:
3378:
3320:Jacque Mountain Formation
3259:
3250:
3241:
3046:
3037:
3007:
2998:
2989:
2978:
2967:
2931:
2874:
2858:
2849:
2813:
2804:
2786:
2775:
2738:
2700:
2667:
2658:
2631:
2594:Pictured Cliffs Formation
2456:
2445:
2434:
2398:
2377:Gravel Mountain Formation
2295:
2229:
2175:
2166:
2155:
2068:
2045:
2036:
2009:
2000:
1991:
1969:
1960:
1949:
1938:
1902:
1613:10.1080/02724630903413032
1561:10.1080/02724630903413032
1473:: 202–215. Archived from
975:
971:
878:Numerous isolated teeth.
471:Pictured Cliffs Sandstone
328:
310:
280:
241:
202:
197:
183:
173:
168:
163:Pictured Cliffs Sandstone
158:
148:
138:
128:
116:
26:
21:
4016:Paleontology in Colorado
3448:Ste. Genevieve Formation
2111:Martins Canyon Formation
2096:Cedar Mountain Formation
1505:Longrich, N.R. (2011). "
973:
414:United States of America
3093:Council Grove Formation
2687:Ralston Creek Formation
2624:Williams Fork Formation
2604:Point Lookout Formation
2278:Poison Canyon Formation
959:Formerly identified as
436:Western Interior Seaway
4001:Source rock formations
3418:Headscrabble Formation
3300:Eagle Valley Evaporite
3198:Stone Corral Formation
2641:Burro Canyon Formation
2238:Blanco Basin Formation
2148:Grouse Mountain Basalt
2136:Wagon Tongue Formation
1820:Farmington Daily Times
1789:. Professional Paper.
1585:Bistahieversor sealeyi
1545:Bistahieversor sealeyi
1507:Titanoceratops ouranos
1458:Texascephale langstoni
1456:and a reassessment of
1068:
1049:taxa are discredited.
861:
849:
624:
612:
600:
588:
466:
381:Show map of New Mexico
3991:Ooliferous formations
3912:Uncompahgre Formation
3545:Pinyon Park Formation
3325:Kansas City Formation
3098:Crestone Conglomerate
3083:Cedar Hills Formation
2748:Glen Canyon Formation
2564:Lion Canyon Formation
2489:Cliff House Sandstone
2484:Castle Gate Formation
2330:Middle Park Formation
2310:Arapahoe Conglomerate
2273:Green River Formation
2126:Troublesome Formation
2091:Browns Park Formation
1063:
855:
843:
657:Kaiparowits Formation
618:
606:
594:
582:
464:
432:Fruitland, New Mexico
3858:Uinta Mountain Group
3525:Kinderhook Formation
3370:Sharpsdale Formation
3305:Glen Eyrie Formation
3218:Wellington Formation
3173:Phosphoria Formation
3168:Owl Canyon Formation
3158:Minnekahta Formation
2646:Horsetooth Formation
2355:South Park Formation
2335:Nacimiento Formation
2325:Fort Union Formation
2116:North Park Formation
2106:Los Pintos Formation
1706:Weishampel, David B.
832:also known from the
689:also known from the
655:also known from the
144:Ne-nah-ne-zad Member
142:Fossil Forest Member
133:Geological formation
3951:Cretaceous Colorado
3443:St. Louis Formation
3423:Leadville Formation
3208:Wabaunsee Formation
3133:Ingleside Formation
3103:Day Creek Formation
3016:Chugwater Formation
2884:Chugwater Formation
2867:Chugwater Formation
2823:Chugwater Formation
2544:Kremmling Formation
2514:Fruitland Formation
2509:Fox Hills Formation
2504:Fort Hays Limestone
2340:Ojo Alamo Formation
2258:Echo Park Formation
2101:Flat Tops Volcanics
2055:Dry Union Formation
2019:Dry Union Formation
1605:2010JVPal..30....1C
1523:2011CrRes..32..264L
1511:Cretaceous Research
1341:10.7717/peerj.10669
1221:2017PLoSO..1288426F
1175:Fruitland Formation
394:Fruitland Formation
261: /
222: /
28:Stratigraphic range
22:Fruitland Formation
4006:Unconventional gas
3642:Arbuckle Formation
3340:Marmaton Formation
3295:Cherokee Formation
3268:Fountain Formation
3228:Wolfcamp Formation
3123:Glorieta Formation
3056:Fountain Formation
2907:Moenkopi Formation
2841:Moenkopi Formation
2730:Sundance Formation
2682:Morrison Formation
2614:Trinidad Formation
2584:Niobrara Formation
2539:Kirtland Formation
2360:Washakie Formation
2350:San Jose Formation
2345:Raton Conglomerate
2268:Huerfano Formation
2263:Farisita Formation
2216:Pinnacle Formation
2184:Arikaree Formation
2121:Santa Fe Formation
2078:Arikaree Formation
2060:Ogallala Formation
2024:Ogallala Formation
1892:Chronostratigraphy
1677:10.1130/SPE209-p35
1409:10.7717/peerj.9251
1069:
996:Reclassified taxon
925:cf. O edmontonicus
862:
850:
834:Kirtland Formation
752:Kirtland Formation
722:Kirtland Formation
718:pachycephalosaurid
691:Kirtland Formation
625:
613:
601:
589:
475:Kirtland Formation
467:
398:geologic formation
226:36.752°N 108.442°W
153:Kirtland Formation
3928:
3927:
3924:
3923:
3920:
3919:
3907:
3906:
3903:
3902:
3896:Owiyukuts Complex
3865:
3864:
3782:
3781:
3778:
3777:
3774:
3773:
3756:
3755:
3752:
3751:
3744:Sawatch Formation
3716:
3715:
3708:Sawatch Formation
3686:Dotsero Formation
3655:
3654:
3647:Manitou Formation
3637:
3636:
3629:Dotsero Formation
3602:Simpson Formation
3597:Harding Sandstone
3575:Fremont Limestone
3553:
3552:
3540:Parting Formation
3530:Misener Formation
3505:
3504:
3465:
3464:
3461:
3460:
3438:Spergen Formation
3350:Minturn Formation
3315:Hermosa Formation
3280:
3279:
3223:White Horse Group
3188:Shawnee Formation
3183:Satanka Formation
3143:Lansing Formation
3128:Hermosa Formation
3113:Forelle Formation
3073:
3072:
3069:
3068:
3033:
3032:
2927:
2926:
2923:
2922:
2919:
2918:
2915:
2914:
2902:
2901:
2831:
2830:
2771:
2770:
2763:Wingate Sandstone
2753:Kayenta Formation
2715:Entrada Formation
2692:Wanakah Formation
2654:
2653:
2619:Vermejo Formation
2574:Menefee Formation
2554:Laramie Formation
2529:Hygiene Formation
2394:
2393:
2390:
2389:
2372:
2371:
2368:
2367:
2315:Bridger Formation
2288:Wasatch Formation
2243:Cuchara Formation
2211:Conejos Formation
2206:Chadron Formation
2191:
2190:
2144:
2143:
2086:
2085:
2032:
2031:
1987:
1986:
1979:Alamosa Formation
1714:Osmólska, Halszka
1053:
1052:
1044:
1032:
1031:
1028:
1021:
1014:
1007:
1002:
997:
992:
967:
966:
932:A manual ungual.
758:
757:
638:P. cyrtocristatus
404:in the states of
390:
389:
4028:
3981:Deltaic deposits
3885:
3884:
3847:
3846:
3838:
3837:
3829:
3828:
3811:
3804:
3797:
3788:
3787:
3766:Tintic Formation
3761:Reagan Formation
3739:Lodore Formation
3727:
3726:
3703:Lodore Formation
3675:
3674:
3666:
3665:
3617:
3616:
3564:
3563:
3520:Elbert Formation
3485:
3484:
3476:
3475:
3453:Warsaw Formation
3413:Gilman Formation
3408:Beulah Formation
3385:
3384:
3365:Morrow Formation
3345:Maroon Formation
3330:Kerber Formation
3310:Gothic Formation
3290:Belden Formation
3273:Madera Formation
3257:
3256:
3248:
3247:
3203:Sumner Formation
3163:Opeche Formation
3153:Maroon Formation
3138:Kaibab Limestone
3118:Glendo Formation
3108:Falcon Formation
3078:Blaine Formation
3061:Madera Formation
3044:
3043:
3026:Taloga Formation
3021:Lykins Formation
3005:
3004:
2996:
2995:
2987:
2986:
2982:
2976:
2975:
2971:
2956:
2949:
2942:
2933:
2932:
2894:Taloga Formation
2889:Lykins Formation
2856:
2855:
2811:
2810:
2796:Chinle Formation
2784:
2783:
2779:
2758:Navajo Formation
2710:Carmel Formation
2677:Curtis Formation
2665:
2664:
2609:Smoky Hill Chalk
2494:Codell Sandstone
2474:Benton Formation
2463:
2462:
2454:
2453:
2449:
2443:
2442:
2438:
2423:
2416:
2409:
2400:
2399:
2320:Denver Formation
2305:Animas Formation
2173:
2172:
2164:
2163:
2159:
2043:
2042:
2007:
2006:
1998:
1997:
1967:
1966:
1958:
1957:
1953:
1947:
1946:
1942:
1927:
1920:
1913:
1904:
1903:
1885:
1878:
1871:
1862:
1861:
1855:
1854:
1852:
1851:
1836:
1830:
1829:
1827:
1826:
1811:
1805:
1804:
1802:
1778:
1772:
1762:
1756:
1746:
1740:
1739:
1737:
1736:
1702:
1691:
1690:
1660:
1625:
1624:
1578:
1563:
1541:
1535:
1534:
1502:
1489:
1488:
1486:
1485:
1479:
1464:
1447:
1432:
1431:
1421:
1411:
1387:
1372:
1371:
1361:
1343:
1319:
1304:
1303:
1301:
1299:
1285:
1276:
1261:
1260:
1250:
1232:
1215:(11): e0188426.
1200:
1194:
1188:
1182:
1172:
1166:
1165:
1163:
1161:
1141:
1066:Bisti Wilderness
1056:Economic geology
1042:
1024:
1017:
1010:
1005:
1000:
995:
988:
985:
969:
956:Isolated teeth.
774:
706:S. novomexicanum
521:
500:Baculites scotti
382:
373:
372:
366:
354:
345:
344:
338:
321:
319:
318:
303:
301:
300:
291:
289:
288:
276:
275:
273:
272:
271:
266:
262:
259:
258:
257:
254:
237:
236:
234:
233:
232:
231:36.752; -108.442
227:
223:
220:
219:
218:
215:
121:
112:
42:
19:
18:
4036:
4035:
4031:
4030:
4029:
4027:
4026:
4025:
3976:Coal formations
3961:Campanian Stage
3931:
3930:
3929:
3916:
3899:
3874:
3861:
3818:
3815:
3770:
3748:
3712:
3689:
3651:
3633:
3606:
3583:
3580:Viola Formation
3549:
3535:Ouray Formation
3510:Aneth Formation
3501:
3457:
3433:Osage Formation
3428:Molas Formation
3399:
3374:
3355:Molas Formation
3335:Keyes Formation
3285:Atoka Formation
3276:
3237:
3213:Weber Formation
3148:Lyons Formation
3088:Chase Formation
3065:
3029:
2980:
2969:
2963:
2960:
2911:
2898:
2870:
2845:
2827:
2800:
2777:
2767:
2734:
2696:
2650:
2627:
2559:Lewis Formation
2549:Lance Formation
2524:Greenhorn Shale
2447:
2436:
2430:
2427:
2386:
2364:
2291:
2283:Uinta Formation
2225:
2221:Pitch Formation
2196:Brule Formation
2187:
2157:
2151:
2140:
2131:Trump Formation
2082:
2064:
2028:
1983:
1951:
1940:
1934:
1931:
1898:
1889:
1859:
1858:
1849:
1847:
1845:The Denver Post
1837:
1833:
1824:
1822:
1812:
1808:
1779:
1775:
1763:
1759:
1747:
1743:
1734:
1732:
1730:
1716:, eds. (2004).
1703:
1694:
1687:
1661:
1628:
1579:
1566:
1542:
1538:
1503:
1492:
1483:
1481:
1477:
1462:
1448:
1435:
1388:
1375:
1320:
1307:
1297:
1295:
1283:
1277:
1264:
1201:
1197:
1189:
1185:
1173:
1169:
1159:
1157:
1142:
1135:
1130:
1108:
1084:coalbed methane
1080:coalbed methane
1073:bituminous coal
1058:
1040:
983:
909:ornithomimosaur
868:Dromaeosauridae
763:
632:Parasaurolophus
585:Parasaurolophus
572:Shantungosaurus
519:
514:
444:
425:late Cretaceous
386:
385:
384:
383:
380:
379:
376:
375:
374:
357:
356:
355:
352:
351:
348:
347:
346:
316:
314:
298:
296:
295:
286:
284:
269:
267:
263:
260:
255:
252:
250:
248:
247:
230:
228:
224:
221:
216:
213:
211:
209:
208:
143:
124:
111:
110:
109:
108:
103:
98:
93:
88:
83:
78:
73:
68:
63:
58:
53:
48:
37:
36:
34:
17:
12:
11:
5:
4034:
4024:
4023:
4018:
4013:
4008:
4003:
3998:
3993:
3988:
3983:
3978:
3973:
3968:
3963:
3958:
3953:
3948:
3943:
3926:
3925:
3922:
3921:
3918:
3917:
3915:
3914:
3908:
3905:
3904:
3901:
3900:
3898:
3893:
3891:
3882:
3876:
3875:
3873:
3872:
3870:Tava Formation
3866:
3863:
3862:
3860:
3855:
3853:
3844:
3835:
3826:
3820:
3819:
3814:
3813:
3806:
3799:
3791:
3784:
3783:
3780:
3779:
3776:
3775:
3772:
3771:
3769:
3768:
3763:
3757:
3754:
3753:
3750:
3749:
3747:
3746:
3741:
3735:
3733:
3724:
3718:
3717:
3714:
3713:
3711:
3710:
3705:
3699:
3697:
3691:
3690:
3688:
3683:
3681:
3672:
3663:
3657:
3656:
3653:
3652:
3650:
3649:
3644:
3638:
3635:
3634:
3632:
3631:
3625:
3623:
3614:
3608:
3607:
3605:
3604:
3599:
3593:
3591:
3585:
3584:
3582:
3577:
3572:
3570:
3561:
3555:
3554:
3551:
3550:
3548:
3547:
3542:
3537:
3532:
3527:
3522:
3517:
3515:Dyer Formation
3512:
3506:
3503:
3502:
3500:
3499:
3493:
3491:
3482:
3473:
3467:
3466:
3463:
3462:
3459:
3458:
3456:
3455:
3450:
3445:
3440:
3435:
3430:
3425:
3420:
3415:
3410:
3404:
3401:
3400:
3398:
3393:
3391:
3382:
3376:
3375:
3373:
3372:
3367:
3362:
3357:
3352:
3347:
3342:
3337:
3332:
3327:
3322:
3317:
3312:
3307:
3302:
3297:
3292:
3287:
3281:
3278:
3277:
3275:
3270:
3265:
3263:
3254:
3245:
3239:
3238:
3236:
3235:
3233:Yeso Formation
3230:
3225:
3220:
3215:
3210:
3205:
3200:
3195:
3190:
3185:
3180:
3175:
3170:
3165:
3160:
3155:
3150:
3145:
3140:
3135:
3130:
3125:
3120:
3115:
3110:
3105:
3100:
3095:
3090:
3085:
3080:
3074:
3071:
3070:
3067:
3066:
3064:
3063:
3058:
3052:
3050:
3041:
3035:
3034:
3031:
3030:
3028:
3023:
3018:
3013:
3011:
3002:
2993:
2984:
2973:
2965:
2964:
2959:
2958:
2951:
2944:
2936:
2929:
2928:
2925:
2924:
2921:
2920:
2917:
2916:
2913:
2912:
2910:
2909:
2903:
2900:
2899:
2897:
2896:
2891:
2886:
2880:
2878:
2872:
2871:
2869:
2864:
2862:
2853:
2847:
2846:
2844:
2843:
2838:
2836:Jelm Formation
2832:
2829:
2828:
2826:
2825:
2819:
2817:
2808:
2802:
2801:
2799:
2798:
2792:
2790:
2781:
2773:
2772:
2769:
2768:
2766:
2765:
2760:
2755:
2750:
2744:
2742:
2736:
2735:
2733:
2732:
2727:
2725:Page Formation
2722:
2720:Garo Formation
2717:
2712:
2706:
2704:
2698:
2697:
2695:
2694:
2689:
2684:
2679:
2673:
2671:
2662:
2656:
2655:
2652:
2651:
2649:
2648:
2643:
2637:
2635:
2629:
2628:
2626:
2621:
2616:
2611:
2606:
2601:
2596:
2591:
2589:Pando Porphyry
2586:
2581:
2576:
2571:
2566:
2561:
2556:
2551:
2546:
2541:
2536:
2531:
2526:
2521:
2519:Graneros Shale
2516:
2511:
2506:
2501:
2496:
2491:
2486:
2481:
2476:
2471:
2469:
2460:
2451:
2440:
2432:
2431:
2426:
2425:
2418:
2411:
2403:
2396:
2395:
2392:
2391:
2388:
2387:
2385:
2384:
2379:
2373:
2370:
2369:
2366:
2365:
2363:
2362:
2357:
2352:
2347:
2342:
2337:
2332:
2327:
2322:
2317:
2312:
2307:
2301:
2299:
2293:
2292:
2290:
2285:
2280:
2275:
2270:
2265:
2260:
2255:
2250:
2245:
2240:
2235:
2233:
2227:
2226:
2224:
2223:
2218:
2213:
2208:
2203:
2198:
2192:
2189:
2188:
2186:
2181:
2179:
2170:
2161:
2153:
2152:
2150:
2145:
2142:
2141:
2139:
2138:
2133:
2128:
2123:
2118:
2113:
2108:
2103:
2098:
2093:
2087:
2084:
2083:
2081:
2080:
2074:
2072:
2066:
2065:
2063:
2062:
2057:
2051:
2049:
2040:
2034:
2033:
2030:
2029:
2027:
2026:
2021:
2015:
2013:
2004:
1995:
1989:
1988:
1985:
1984:
1982:
1981:
1975:
1973:
1964:
1955:
1944:
1936:
1935:
1930:
1929:
1922:
1915:
1907:
1900:
1899:
1888:
1887:
1880:
1873:
1865:
1857:
1856:
1831:
1806:
1773:
1757:
1741:
1728:
1692:
1685:
1626:
1564:
1536:
1517:(3): 264–276.
1490:
1433:
1373:
1305:
1262:
1195:
1183:
1167:
1132:
1131:
1129:
1126:
1125:
1124:
1119:
1114:
1107:
1104:
1086:straddles the
1057:
1054:
1051:
1050:
1035:
1033:
1030:
1029:
1022:
1015:
1008:
1003:
998:
993:
977:
976:
974:
972:
965:
964:
957:
954:
953:Fossil Forest
951:
950:Indeterminate
948:
941:
940:
933:
930:
929:Fossil Forest
927:
922:
913:
912:
904:Indeterminate
902:
899:
898:Fossil Forest
896:
895:Indeterminate
893:
891:Ornithomimidae
887:
886:
881:Indeterminate
879:
876:
875:Fossil Forest
873:
872:Indeterminate
870:
864:
863:
846:Bistahieversor
837:
830:tyrannosauroid
823:
820:
819:Fossil Forest
817:
812:
809:Bistahieversor
804:
803:
800:
797:
794:
791:
788:
784:
783:
768:Bistahieversor
762:
759:
756:
755:
744:
741:
739:
734:
731:Titanoceratops
726:
725:
714:
711:
710:Fossil Forest
708:
703:
695:
694:
680:
677:
676:Fossil Forest
674:
672:P. sternbergii
669:
661:
660:
646:
643:
642:Fossil Forest
640:
635:
627:
626:
621:Titanoceratops
576:
567:
564:
563:Fossil Forest
561:
558:
551:
550:
547:
544:
541:
538:
535:
531:
530:
526:Ornithischians
518:
517:Ornithischians
515:
513:
510:
443:
440:
402:San Juan Basin
388:
387:
377:
368:
367:
361:
360:
359:
358:
349:
340:
339:
333:
332:
331:
330:
329:
326:
325:
312:
308:
307:
282:
278:
277:
245:
239:
238:
206:
200:
199:
195:
194:
185:
181:
180:
175:
171:
170:
166:
165:
160:
156:
155:
150:
146:
145:
140:
136:
135:
130:
126:
125:
122:
114:
113:
106:
105:
104:
99:
94:
89:
84:
79:
74:
69:
64:
59:
54:
49:
44:
24:
23:
15:
9:
6:
4:
3:
2:
4033:
4022:
4019:
4017:
4014:
4012:
4009:
4007:
4004:
4002:
3999:
3997:
3994:
3992:
3989:
3987:
3984:
3982:
3979:
3977:
3974:
3972:
3969:
3967:
3964:
3962:
3959:
3957:
3954:
3952:
3949:
3947:
3944:
3942:
3939:
3938:
3936:
3913:
3910:
3909:
3897:
3894:
3892:
3890:
3886:
3883:
3881:
3877:
3871:
3868:
3867:
3859:
3856:
3854:
3852:
3848:
3845:
3843:
3839:
3836:
3834:
3830:
3827:
3825:
3821:
3812:
3807:
3805:
3800:
3798:
3793:
3792:
3789:
3785:
3767:
3764:
3762:
3759:
3758:
3745:
3742:
3740:
3737:
3736:
3734:
3732:
3728:
3725:
3723:
3719:
3709:
3706:
3704:
3701:
3700:
3698:
3696:
3692:
3687:
3684:
3682:
3680:
3676:
3673:
3671:
3667:
3664:
3662:
3658:
3648:
3645:
3643:
3640:
3639:
3630:
3627:
3626:
3624:
3622:
3618:
3615:
3613:
3609:
3603:
3600:
3598:
3595:
3594:
3592:
3590:
3586:
3581:
3578:
3576:
3573:
3571:
3569:
3565:
3562:
3560:
3556:
3546:
3543:
3541:
3538:
3536:
3533:
3531:
3528:
3526:
3523:
3521:
3518:
3516:
3513:
3511:
3508:
3507:
3498:
3495:
3494:
3492:
3490:
3486:
3483:
3481:
3477:
3474:
3472:
3468:
3454:
3451:
3449:
3446:
3444:
3441:
3439:
3436:
3434:
3431:
3429:
3426:
3424:
3421:
3419:
3416:
3414:
3411:
3409:
3406:
3405:
3402:
3397:
3394:
3392:
3390:
3386:
3383:
3381:
3377:
3371:
3368:
3366:
3363:
3361:
3358:
3356:
3353:
3351:
3348:
3346:
3343:
3341:
3338:
3336:
3333:
3331:
3328:
3326:
3323:
3321:
3318:
3316:
3313:
3311:
3308:
3306:
3303:
3301:
3298:
3296:
3293:
3291:
3288:
3286:
3283:
3282:
3274:
3271:
3269:
3266:
3264:
3262:
3258:
3255:
3253:
3249:
3246:
3244:
3240:
3234:
3231:
3229:
3226:
3224:
3221:
3219:
3216:
3214:
3211:
3209:
3206:
3204:
3201:
3199:
3196:
3194:
3191:
3189:
3186:
3184:
3181:
3179:
3176:
3174:
3171:
3169:
3166:
3164:
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265:43.5°N 79.6°W
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2569:Mancos Shale
2513:
2499:Dakota Group
1848:. Retrieved
1844:
1834:
1823:. Retrieved
1819:
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1482:. Retrieved
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1296:. Retrieved
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1153:
1149:
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961:Paronychodon
960:
946:Troodontidae
937:Ornithomimus
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919:Ornithomimus
916:
906:ornithomimid
858:Ornithomimus
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779:Saurischians
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393:
391:
3621:Tremadocian
3389:Tournaisian
2579:Mowry Shale
2534:Juana Lopez
2248:D2 Sequence
1971:Pleistocene
1599:(1): 1–16.
1555:(1): 1-16.
1298:1 September
1179:Fossilworks
1160:1 September
1047:crossed out
1026:Morphotaxon
653:hadrosaurid
442:Description
270:43.5; -79.6
268: /
229: /
217:108°26′31″W
204:Coordinates
3935:Categories
3731:Guzhangian
3039:Cisuralian
2070:Aquitanian
1850:2019-12-21
1825:2019-12-21
1735:2019-02-21
1484:2011-08-25
1454:Stegoceras
1334:: e10669.
1128:References
1092:New Mexico
1043:small text
1012:Ichnotaxon
815:B. sealeyi
737:T. ouranos
700:Stegoceras
687:ceratopsid
609:Stegoceras
566:One print
512:Paleofauna
494:Cretaceous
479:Cretaceous
406:New Mexico
293:New Mexico
214:36°45′07″N
3670:Furongian
3489:Famennian
3000:Lopingian
2860:Olenekian
2297:Paleocene
2168:Oligocene
2047:Messinian
1402:: e9251.
1350:2167-8359
1294:: 379–381
1239:1932-6203
981:Color key
911:remains.
885:remains.
796:Abundance
543:Abundance
490:Campanian
448:sandstone
418:Campanian
412:, in the
178:Sandstone
169:Lithology
149:Underlies
139:Sub-units
32:Campanian
3889:Siderian
3722:Series 3
3679:Stage 10
3261:Gzhelian
3048:Asselian
2177:Chattian
2011:Zanclean
2002:Pliocene
1896:Colorado
1621:54029279
1428:32547873
1368:33552721
1257:29166406
1209:PLOS ONE
1106:See also
1088:Colorado
716:A basal
410:Colorado
305:Colorado
198:Location
159:Overlies
3695:Paibian
2815:Anisian
2038:Miocene
1601:Bibcode
1519:Bibcode
1419:7278894
1359:7842145
1248:5699823
1217:Bibcode
1019:Ootaxon
802:Images
790:Species
557:indet.
549:Images
537:Species
423:of the
311:Country
256:79°36′W
253:43°30′N
174:Primary
107:↓
3851:Tonian
3589:Middle
2876:Induan
2806:Middle
2702:Middle
2231:Eocene
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540:Member
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454:, and
320:
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281:Region
3612:Lower
3568:Upper
3480:Upper
2851:Lower
2788:Upper
2740:Lower
2669:Upper
2633:Lower
2467:Upper
1617:S2CID
1478:(PDF)
1463:(PDF)
1396:PeerJ
1328:PeerJ
1284:(PDF)
1038:Notes
990:Taxon
799:Notes
787:Genus
546:Notes
534:Genus
452:shale
396:is a
188:Shale
184:Other
1724:ISBN
1681:ISBN
1424:PMID
1364:PMID
1346:ISSN
1300:2021
1253:PMID
1235:ISSN
1181:.org
1162:2021
917:cf.
456:coal
408:and
392:The
192:coal
129:Type
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1894:of
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1791:676
1673:doi
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323:USA
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