Knowledge (XXG)

Moenkopi Formation

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in the Black Mesa and Paradox basins by Stewart in 1959. Contacts were revised again by Schell and Yochelson in 1966. Blakey named the Black Dragon, Torrey, and Moody Canyon members in the Paradox Basin and Plateau Sedimentary Province in 1974. Contacts were revised yet again by Welsh and others in 1979.
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and its age was modified to Early and Middle(?) Triassic by McKee in 1951. Contacts were revised by Robeck in 1956 and Cooley in 1958. The Tenderfoot, Ali Baba, Sewemup, and Pariott Members were named in the Piceance and Uinta Basins by Shoemaker and Newman in 1959. The Hoskinnini Member was assigned
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Kietzke modified the age to Early and Middle Triassic using biostratigraphic dating in 1988. The Anton Chico Member was assigned in the Palo Duro Basin and areal limits set by Lucas and Hunt in 1989. In 1991 areal limits were set again by Lucas and Hayden. An overview was completed by Lucas in 1991,
484:. While in the Great Basin, Bassler and Reeside characterized and named the Rock Canyon Conglomerate, Virgin Limestone, and Shnabkaib Shale members in 1921. Salt Creek (later replaced by Wupatki and Moqui Members) and the Holbrook Member were found and named in the Black Mesa basin by Hager in 1922. 561:
The general deposition setting was sluggish rivers traversing a flat, featureless coastal plain to the sea. The low relief meant that the shoreline moved great distances with changes of sea level or even with the tides. Thickness varies from a feather edge against the Uncompahgre highlands to the
622:. This is red conglomeratic sandstone and red siltstone and was laid down by energetic rivers. A distinctive feature is load structures. Sediment sources were apparently the crests of anticlines, and paleocurrent directions are north to northwest, along the corresponding synclines. 2495: 597:
Members differ considerably from east to west, in part because sandstone beds corresponding to marine transgressions are used to define members to the west but cannot be traced to the east. In different regions, by ascending stratigraphic order, the members are:
589:. The lower unconformity corresponds to the regional Tr-1 unconformity and the upper to the regional Tr-3 unconformity. The Tr-1 unconformity represents a hiatus of at least 20 million years while Tr-2 represents a hiatus of about 10 million years. 957:
of the Moenkopi Formation, in south-western Utah. The discovery of 27 species from 18 genera of two subclasses in these sites in 2013 cast doubt on previous claims that the bivalve fauna only recovered in the Middle Triassic after the
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area. It has a characteristic deep red color and tends to form slopes and benches. The depositional environment varies from fluvial channel and floodplain deposits in the eastern exposures to tidal mudflats in the
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after it was recognized to be middle Triassic in age. Subsequently, named as a member of the Moenkopi when its beds were traced west and demonstrated that it was deposited in a single basin with Moenkopi beds in
3960: 3427: 2931: 634:. This is distinguished from the light brown Sewemup Member by its multihued brown, red, orange and purple strata. Exposures are geographically limited, appearing only in Richardson Amphitheater, 659:. Consists of a basal conglomerate; thinly bedded red sandstone, siltstone, and shale deposited in a tidal flat environment; a sandstone sheet; and a second sequence of tidal flat deposits. 2889: 487:
The Sinbad Limestone Member was named in the Paradox Basin by Gilluly and Reeside in 1928. Williams and Gregory named the Timpoweap Member in the Plateau sedimentary province in 1947.
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Geological evolution of the Colorado Plateau of eastern Utah and western Colorado, including the San Juan River, Natural Bridges, Canyonlands, Arches, and the Book Cliffs
3946: 628:. This is thinly bedded siltstone, shale, and sandstone, with enough gypsum content to give it a light brown color that contrasts with the darker brown Ali Baba Member. 3413: 2917: 2509: 546:
area to deltaic sandstones and shallow marine limestones at Capitol Reef. In eastern Nevada and northwestern Utah, it thickens dramatically, then transitions to the
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is known from one relatively complete skeleton and a significant amount of other isolated material. Footprints and several fragmentary body fossils are known from
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Other members listed in alphabetical order, with asterisks (*) indicating usage by the U.S. Geological Survey and other usages by state geological surveys:
320: 5387: 5372: 4952: 2769:"Stratigraphy and origin of the Triassic Moenkopi Formation and related strata in the Colorado Plateau region, with a section on sedimentary petrology" 5397: 511: 5377: 2688:
Lucas, S.G.; Hunt, A.P. (1989). "Revised Triassic stratigraphy in the Tucumcari basin, east-central New Mexico". In Lucas, S.G.; Hunt, A.P. (eds.).
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Lucas, Spencer G.; Hunt, Adrian P. (1987). "Stratigraphy of the Anton Chico and Santa Rosa Formations, Triassic of East-Central New Mexico".
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Shoemaker, Eugene M.; Newman, William L. (1959). "Moenkopi Formation (Triassic? and Triassic) in Salt Anticline Region, Colorado and Utah".
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The absence of right valves may be caused by the "hydrodynamic separation of the differentially vaulted valves or to weaker calcification".
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Stewart, John H. (1959). "Stratigraphic Relations of Hoskinnini Member (Triassic?) of Moenkopi Formation on Colorado Plateau".
2585: 1959: 925: 642:, and Big Bend meander of the Colorado River. This member may be separated from the Sewemup Member by a regional unconformity. 1944: 1904:
from East Greenland, but the type material is poorly preserved, which makes comparison with published specimens difficult.
1966: 2862: 5417: 5284: 835: 491: 200: 5452: 2148: 959: 3388: 1973: 4366: 4184: 3510: 915: 896: 891: 782: 515: 275: 4199: 1933: 868: 5447: 5412: 5304: 3600: 930: 786: 3207: 4503: 4454: 4402: 4326: 3383: 3102: 2641: 2613: 1955: 1211:"One articulated specimen and approximately 50 isolated left valves", all with external shell layer preserved. 481: 461: 433: 3117: 2476:"Bivalves from the Olenekian (Early Triassic) of southwestern Utah: Systematics and evolutionary significance" 121: 4099: 3693: 2698: 2549:
Blakey, R.C. (1974). "Stratigraphic and depositional analysis of the Moenkopi Formation, southeastern Utah".
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area by Ward in 1901. In 1917 a 'substitute' type locality was located by Gregory in the wall of the
393: 135: 4876: 3731: 3726: 3595: 2136: 2034: 5198: 4449: 4386: 4214: 4022: 3890: 3873: 3829: 3520: 3515: 3346: 1693: 1190: 1125: 639: 635: 1540: 1491: 1289: 692:. Described previously as the red sandstone member of the Santa Rosa Formation, but placed in its 562:
east to over 600 metres (2,000 ft) in southwestern Utah. The thickness varies greatly in the
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on an angular unconformity. Up to 290 feet (88 meters) thick, it consists of basal conglomerate,
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Numerous medium-sized specimens, mostly with outer shell layer but eroded to varying degrees.
800: 796: 551: 31: 1429: 5279: 5246: 5146: 5141: 5093: 5083: 5078: 4886: 4618: 4574: 4526: 4459: 4371: 4351: 4279: 4159: 4144: 4084: 4067: 3802: 3764: 3716: 3683: 3639: 3615: 3480: 3473: 3326: 3311: 2828: 2807: 2780: 2755: 2734: 2487: 2131: 2113:
is an enigmatic reptile only known from a few tooth-bearing jaws. The poposauroid archosaur
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Slightly differs from the holotype by greater divergence of the dorsal and ventral margins.
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Moenkopi at its reference section along the Little Colorado River west of Cameron, Arizona
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for this formation. It was named for a development at the mouth of Moencopie Wash in the
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Geology of the Navajo Country: A Reconnaissance of Parts of Arizona, New Mexico and Utah
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that makes up much of the famous prominent rock formations in protected areas such as
456: 5361: 5171: 4249: 4015: 3485: 3259: 2642:"Triassic stratigraphy of the southeastern Colorado Plateau, west-central New Mexico" 2475: 2115: 2065: 1396: 982: 967: 963: 909: 856: 563: 278: 80: 45: 5299: 3605: 3575: 3505: 2323:
For the whole section, except where noted: GEOLEX database Bibliographic References
2125: 2103: 880: 538: 473: 377: 2867: 2819:
Williams, Herbert E.; Gregory, Norman C. (1947). "Zion National Monument, Utah".
5336: 5327: 4980: 4839: 4830: 4627: 4395: 3975: 3585: 3442: 2977: 2946: 2491: 2099: 2094: 2082: 1922: 829: 55: 4937: 5022: 4737: 4565: 4045: 3464: 2968: 2120: 2053: 966:, includes mainly genera that survived the mass extinction, while the second, 543: 413: 401: 397: 260: 100: 65: 2811: 2527: 585:
in turn rests unconformably on the Moenkopi. Both unconformities are locally
222: 209: 30:"Moenkopi" redirects here. For the Hopi community in the U.S. Southwest, see 5117: 4676: 4495: 4006: 3986: 3866: 3303: 3174: 3163: 3053: 2474:
Michael Hautmann, Andrew B. Smith, Alistair J. McGowan, Hugo Bucher (2013).
2061: 951: 669:. Consists of yellowish limestone deposited by a brief marine transgression. 578: 567: 534: 522: 437: 178: 105: 681:. Thinly bedded slope forming siltstone and mudstone with minor evaporites. 2857: 1816:
due to subelliptical shape and slightly concave central part of the umbo.
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Sprinkel in 1994, Hintze and Axen in 1995 and later, Huntoon and others.
421: 265: 95: 90: 75: 70: 60: 2681: 761: 17: 5128: 4701: 3997: 3821: 3044: 2999: 1947: in this section. Unsourced material may be challenged and removed. 770: 653:: Sandstone and siltstone. Found only in the southern part of the area. 405: 243: 110: 85: 2767:
Stewart, John H.; Poole, F. G.; Wilson, R. F.; Cadigan, R. A. (1972).
970:, is represented mainly by genera that evolved in the Early Triassic. 807:, (2)-layered, lighter-red Moenkopi Formation, and (1)-white, layered 4972: 4857: 3882: 3237: 2692:. New Mexico Museum of Natural History and Science. pp. 150–170. 2537:, U.S. Geological Survey Bulletin, vol. 726-C, pp. C87–C107 613: 409: 250: 2795: 1391: 977: 2785: 2768: 2049: 2018: 566:, where the Moenkopi is thin to nonexistent on the crests of salt 530: 506: 455: 376: 188: 778: 417: 255: 4941: 4797: 3942: 3409: 2913: 2871: 2535:
Contributions to economic geology, 1921; Part 2, Mineral fuels
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A diverse fossil vertebrate fauna has been described from the
1916: 1270:
Shell interior is unknown. USNM 543477 have similarities with
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One left valve with shell over 18.3 mm long and 21.7 mm high.
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and over 400 meters (1,300 feet) thick in the corresponding
1267:
One right valve (USNM 543477) 6.5 mm long and 4.3 mm high.
2331: 2329: 2699:"Triassic deposits of the Arizona-New Mexico border area" 2614:"Triassic-Jurassic stratigraphy in southwestern Colorado" 2236: 2307: 2305: 2833:
10.1130/0016-7606(1947)58[211:ZNMU]2.0.CO;2
675:. Red beds signifying a return to subaerial deposition. 2690:
Dawn of the age of dinosaurs in the American southwest
2706:
New Mexico Geological Society Field Conference Series
2649:
New Mexico Geological Society Field Conference Series
2621:
New Mexico Geological Society Field Conference Series
616:, massive cliff-forming mudstone and silty sandstone. 27:
Geologic formation in the southwestern United States
5335: 5326: 5260: 5232: 5197: 5179: 5170: 5127: 5116: 5067: 5039: 5021: 5010: 4990: 4979: 4894: 4885: 4856: 4847: 4838: 4829: 4736: 4727: 4700: 4684: 4675: 4666: 4626: 4617: 4594: 4573: 4564: 4494: 4485: 4476: 4394: 4385: 4266: 4257: 4248: 4053: 4044: 4014: 4005: 3996: 3985: 3974: 3881: 3865: 3856: 3820: 3811: 3793: 3782: 3745: 3707: 3674: 3665: 3638: 3472: 3463: 3452: 3441: 3302: 3236: 3182: 3173: 3162: 3075: 3052: 3043: 3016: 3007: 2998: 2976: 2967: 2956: 2945: 2590:. U.S. Government Printing Office. pp. 23–31. 2184: 2182: 2180: 305: 297: 289: 284: 271: 238: 199: 194: 184: 174: 169: 159: 149: 141: 131: 39: 2433: 2431: 2670:Journal of the Arizona-Nevada Academy of Science 2469: 2467: 2465: 2463: 1683:One left valve over 10 mm long and 10 mm high. 2461: 2459: 2457: 2455: 2453: 2451: 2449: 2447: 2445: 2443: 2272: 2248: 2224: 1274:sp. from the late Griesbachian of Russia, and 789:. From top to bottom, (Jurassic to Permian): 4953: 4809: 3954: 3421: 2925: 2883: 799:, (4)-cliff-forming, vertically jointed, red 8: 2508:: CS1 maint: multiple names: authors list ( 1377:One left valve 27 mm long and 27.6 mm high. 887:Found within these parks (incomplete list): 2760:10.1306/0BDA5E73-16BD-11D7-8645000102C1865D 2739:10.1306/0BDA5E70-16BD-11D7-8645000102C1865D 2551:Utah Geological and Mineral Survey Bulletin 2526:Bassler, Harvey; Reeside, J.B. Jr. (1921), 1900:Specimens look similar to the Griesbachian 5332: 5203: 5176: 5124: 5018: 4987: 4960: 4946: 4938: 4891: 4853: 4844: 4835: 4824:Precambrian chronostratigraphy of Colorado 4816: 4802: 4794: 4733: 4681: 4672: 4623: 4570: 4491: 4482: 4391: 4263: 4254: 4050: 4011: 4002: 3993: 3982: 3961: 3947: 3939: 3862: 3817: 3790: 3671: 3469: 3460: 3449: 3428: 3414: 3406: 3179: 3170: 3049: 3013: 3004: 2973: 2964: 2953: 2932: 2918: 2910: 2890: 2876: 2868: 2528:"Oil prospects in Washington County, Utah" 355: 327: 36: 5433:Sandstone formations of the United States 2784: 2773:U.S. Geological Survey Professional Paper 2410: 2311: 2154:Sandstone formations of the United States 2007:Learn how and when to remove this message 608:. This is everywhere in contact with the 490:The Wupatki Member was first used in the 480:, about 5 miles below Tanner Crossing in 381:Rock layers of the Moenkopi Formation in 3969:Paleozoic chronostratigraphy of Colorado 2386: 2371: 2335: 2171: 1394: 980: 760: 3436:Mesozoic chronostratigraphy of Colorado 2940:Cenozoic chronostratigraphy of Colorado 2796:"Geology of the Little Colorado Valley" 2284: 2212: 2164: 521:The Moenkopi consists of thinly bedded 2821:Geological Society of America Bulletin 2501: 2498:from the original on February 8, 2024. 2296: 335:Moenkopi Formation (the United States) 2846:Bibliographic References for Moenkopi 2422: 2398: 2359: 2347: 2260: 2188: 2064:are a common component of the fauna. 1281:from the early Permian of Australia. 665:. Named for the Sinbad region in the 7: 2200: 1945:adding citations to reliable sources 1650:Tre earliest specimen of the genus. 1399:reported from the Moenkopi Formation 985:reported from the Moenkopi Formation 921:Glen Canyon National Recreation Area 813:Glen Canyon National Recreation Area 577:The Moenkopi rests unconformably on 5438:Natural history of the Grand Canyon 2480:Journal of Systematic Palaeontology 819:Found in these geologic locations: 2840:GEOLEX database entry for Moenkopi 646:Canyonlands and Glen Canyon area: 424:. This unit is considered to be a 25: 5388:Triassic formations of New Mexico 5373:Geologic formations of California 5398:Triassic System of North America 2856: 1921: 1616:Several specimens (steinkerns). 448:, around 240 million years ago. 354: 347: 326: 319: 120: 5378:Geologic formations of Colorado 3389:Independence Mountain Formation 2045:vertebrates include freshwater 2041:of northern Arizona. Described 1932:needs additional citations for 1130:is a possibly related species. 1120:Several specimens with shells. 926:Walnut Canyon National Monument 718:Rock Canyon Conglomerate Member 5368:Geologic formations of Arizona 1152:Several fragmental specimens. 803:, (3)-slope-forming, purplish 685:San Juan Basin and Tucumcari: 51:Early Triassic–Middle Triassic 1: 5408:Middle Triassic North America 5383:Geologic formations of Nevada 4367:Morgan Round Valley Formation 791:(6)-Rounded tan domes of the 338:Show map of the United States 5403:Early Triassic North America 5285:Frenchman Mountain Dolostone 4200:South Canyon Creek Formation 2842:, USGS (public domain text) 2794:Ward, Lester F. (Dec 1901). 2566:. University of Utah Press. 869:Plateau sedimentary province 492:Plateau Sedimentary Province 363:Moenkopi Formation (Arizona) 5393:Geologic formations of Utah 5305:Prospect Mountain Sandstone 2800:American Journal of Science 2492:10.1080/14772019.2011.63751 2273:Shoemaker & Newman 1959 2249:Williams & Gregory 1947 2149:Geology of the Grand Canyon 1180:One incomplete left valve. 960:end-Permian mass extinction 5469: 5443:Capitol Reef National Park 5423:Triassic geology of Nevada 4185:Sangre de Cristo Formation 3208:Central Colorado Volcanics 2640:Lucas, Spencer G. (2021). 2612:Lucas, Spencer G. (2017). 2225:Bassler & Reeside 1921 916:Dinosaur National Monument 897:Capitol Reef National Park 892:Grand Canyon National Park 783:Capitol Reef National Park 516:Capitol Reef National Park 396:that is spread across the 29: 5206: 4793: 4504:Williams Canyon Formation 4410: 4403:Williams Canyon Formation 4327:Jacque Mountain Formation 3938: 3601:Pictured Cliffs Formation 3405: 3384:Gravel Mountain Formation 2909: 2562:Fillmore, Robert (2011). 2437:GEOLEX database: Moenkopi 1822: 1722: 1538: 1188: 1073: 1013: 931:Wupatki National Monument 811:sandstone. Picture from 795:, (5)-(dark)-layered red 787:Canyonlands National Park 706:Holbrook Sandstone Member 444:and possibly part of the 313: 119: 44: 5428:Triassic geology of Utah 4455:Ste. Genevieve Formation 3118:Martins Canyon Formation 3103:Cedar Mountain Formation 2812:10.2475/ajs.s4-12.72.401 482:Coconino County, Arizona 462:Coconino County, Arizona 452:History of investigation 428:in Arizona. Part of the 4100:Council Grove Formation 3694:Ralston Creek Formation 3631:Williams Fork Formation 3611:Point Lookout Formation 3285:Poison Canyon Formation 2582:Gregory, Herbert Ernest 1892:Virgin Limestone Member 1864:Virgin Limestone Member 1840:Virgin Limestone Member 1804:Virgin Limestone Member 1772:Virgin Limestone Member 1744:Virgin Limestone Member 1709:Virgin Limestone Member 1678:Virgin Limestone Member 1642:Virgin Limestone Member 1611:Virgin Limestone Member 1580:Virgin Limestone Member 1556:Virgin Limestone Member 1524:Virgin Limestone Member 1481:Virgin Limestone Member 1446:Virgin Limestone Member 1372:Virgin Limestone Member 1340:Virgin Limestone Member 1309:Virgin Limestone Member 1262:Virgin Limestone Member 1230:Virgin Limestone Member 1206:Virgin Limestone Member 1175:Virgin Limestone Member 1147:Virgin Limestone Member 1115:Virgin Limestone Member 1091:Virgin Limestone Member 1059:Virgin Limestone Member 1035:Virgin Limestone Member 955:Virgin Limestone Member 737:Virgin Limestone Member 663:Sinbad Limestone Member 468:There is no designated 5270:Bonanza King Formation 5252:Temple Butte Formation 5211:Monte Cristo Limestone 5002:Horse Spring Formation 4425:Headscrabble Formation 4307:Eagle Valley Evaporite 4205:Stone Corral Formation 3648:Burro Canyon Formation 3245:Blanco Basin Formation 3155:Grouse Mountain Basalt 3143:Wagon Tongue Formation 2806:(72). New Haven: 401. 2775:. Professional Paper. 2026: 1064:Numerous left valves. 962:. The first subclass, 816: 587:angular unconformities 518: 478:Little Colorado Canyon 465: 385: 5157:Queantoweap Sandstone 5031:Willow Tank Formation 4919:Uncompahgre Formation 4552:Pinyon Park Formation 4332:Kansas City Formation 4105:Crestone Conglomerate 4090:Cedar Hills Formation 3755:Glen Canyon Formation 3571:Lion Canyon Formation 3496:Cliff House Sandstone 3491:Castle Gate Formation 3337:Middle Park Formation 3317:Arapahoe Conglomerate 3280:Green River Formation 3133:Troublesome Formation 3098:Browns Park Formation 2865:at Wikimedia Commons 2411:Lucas & Hunt 1987 2312:Lucas & Hunt 1989 2022: 842:Las Vegas-Raton Basin 777:area of southeastern 764: 510: 459: 440:was laid down in the 380: 145:See "Members" section 5242:Muddy Peak Formation 4865:Uinta Mountain Group 4532:Kinderhook Formation 4377:Sharpsdale Formation 4312:Glen Eyrie Formation 4225:Wellington Formation 4180:Phosphoria Formation 4175:Owl Canyon Formation 4165:Minnekahta Formation 3653:Horsetooth Formation 3362:South Park Formation 3342:Nacimiento Formation 3332:Fort Union Formation 3123:North Park Formation 3113:Los Pintos Formation 2697:McKee, E.D. (1951). 2123:. The footprints of 2107:is known, but rare. 1956:"Moenkopi Formation" 1941:improve this article 1897:Numerous specimens. 1040:Numerous specimens. 946:Numerous fossils of 773:stratigraphy of the 394:geological formation 247:Southeast California 136:Geological formation 5418:Triassic California 5189:Callville Limestone 4450:St. Louis Formation 4430:Leadville Formation 4215:Wabaunsee Formation 4140:Ingleside Formation 4110:Day Creek Formation 4023:Chugwater Formation 3891:Chugwater Formation 3874:Chugwater Formation 3830:Chugwater Formation 3551:Kremmling Formation 3521:Fruitland Formation 3516:Fox Hills Formation 3511:Fort Hays Limestone 3347:Ojo Alamo Formation 3265:Echo Park Formation 3108:Flat Tops Volcanics 3062:Dry Union Formation 3026:Dry Union Formation 2389:, pp. 148–154. 2237:Stewart et al. 1972 1887:South-western Utah 1859:South-western Utah 1835:South-western Utah 1799:South-western Utah 1777:Several specimens. 1767:South-western Utah 1749:Several specimens. 1739:South-western Utah 1704:South-western Utah 1673:South-western Utah 1637:South-western Utah 1606:South-western Utah 1575:South-western Utah 1551:South-western Utah 1529:Several specimens. 1519:South-western Utah 1489:Possibly belong to 1476:South-western Utah 1441:South-western Utah 1367:South-western Utah 1335:South-western Utah 1304:South-western Utah 1257:South-western Utah 1235:Several specimens. 1225:South-western Utah 1221:L. curtocardinalis 1201:South-western Utah 1170:South-western Utah 1142:South-western Utah 1110:South-western Utah 1086:South-western Utah 1054:South-western Utah 1030:South-western Utah 679:Moody Canyon Member 657:Black Dragon Member 556:Mahogany formations 366:Show map of Arizona 219: /  46:Stratigraphic range 5453:Zion National Park 5344:Granite and schist 5275:Bright Angel Shale 5162:Toroweap Formation 5137:Coconino Sandstone 5099:Moenkopi Formation 5089:Fossil Hill Member 4969:Chronostratigraphy 4649:Arbuckle Formation 4347:Marmaton Formation 4302:Cherokee Formation 4275:Fountain Formation 4235:Wolfcamp Formation 4130:Glorieta Formation 4063:Fountain Formation 3914:Moenkopi Formation 3848:Moenkopi Formation 3737:Sundance Formation 3689:Morrison Formation 3621:Trinidad Formation 3591:Niobrara Formation 3546:Kirtland Formation 3367:Washakie Formation 3357:San Jose Formation 3352:Raton Conglomerate 3275:Huerfano Formation 3270:Farisita Formation 3223:Pinnacle Formation 3191:Arikaree Formation 3128:Santa Fe Formation 3085:Arikaree Formation 3067:Ogallala Formation 3031:Ogallala Formation 2899:Chronostratigraphy 2863:Moenkopi Formation 2135:are common in the 2077:Quasicyclotosaurus 2033:, mainly from the 2031:Moenkopi Formation 2027: 1845:Three steinkerns. 1571:N. praeorbicularis 1314:Two right valves. 950:were found in the 902:Zion National Park 817: 690:Anton Chico Member 519: 466: 390:Moenkopi Formation 386: 383:Zion National Park 223:35.918°N 111.489°W 40:Moenkopi Formation 5355: 5354: 5351: 5350: 5322: 5321: 5318: 5317: 5310:Tapeats Sandstone 5228: 5227: 5224: 5223: 5216:Redwall Limestone 5112: 5111: 5059:Moenave Formation 5054:Kayenta Formation 4935: 4934: 4931: 4930: 4927: 4926: 4914: 4913: 4910: 4909: 4903:Owiyukuts Complex 4872: 4871: 4789: 4788: 4785: 4784: 4781: 4780: 4763: 4762: 4759: 4758: 4751:Sawatch Formation 4723: 4722: 4715:Sawatch Formation 4693:Dotsero Formation 4662: 4661: 4654:Manitou Formation 4644: 4643: 4636:Dotsero Formation 4609:Simpson Formation 4604:Harding Sandstone 4582:Fremont Limestone 4560: 4559: 4547:Parting Formation 4537:Misener Formation 4512: 4511: 4472: 4471: 4468: 4467: 4445:Spergen Formation 4357:Minturn Formation 4322:Hermosa Formation 4287: 4286: 4230:White Horse Group 4195:Shawnee Formation 4190:Satanka Formation 4150:Lansing Formation 4135:Hermosa Formation 4120:Forelle Formation 4080: 4079: 4076: 4075: 4040: 4039: 3934: 3933: 3930: 3929: 3926: 3925: 3922: 3921: 3909: 3908: 3838: 3837: 3778: 3777: 3770:Wingate Sandstone 3760:Kayenta Formation 3722:Entrada Formation 3699:Wanakah Formation 3661: 3660: 3626:Vermejo Formation 3581:Menefee Formation 3561:Laramie Formation 3536:Hygiene Formation 3401: 3400: 3397: 3396: 3379: 3378: 3375: 3374: 3322:Bridger Formation 3295:Wasatch Formation 3250:Cuchara Formation 3218:Conejos Formation 3213:Chadron Formation 3198: 3197: 3151: 3150: 3093: 3092: 3039: 3038: 2994: 2993: 2986:Alamosa Formation 2861:Media related to 2573:978-1-60781-004-9 2017: 2016: 2009: 1991: 1910: 1909: 1869:Four steinkerns. 1385: 1384: 836:Green River Basin 801:Wingate Sandstone 797:Kayenta Formation 651:Hoskinnini Member 606:Tenderfoot Member 460:Moenkopi Wash in 375: 374: 32:Moenkopi, Arizona 16:(Redirected from 5460: 5448:Colorado Plateau 5413:Triassic Arizona 5333: 5280:Dunderberg Shale 5247:Sultan Formation 5204: 5177: 5152:Pakoon Limestone 5147:Kaibab Formation 5142:Hermit Formation 5125: 5120: 5094:Luning Formation 5084:Favret Formation 5079:Chinle Formation 5071: 5019: 5014: 4994: 4988: 4983: 4962: 4955: 4948: 4939: 4892: 4854: 4845: 4836: 4818: 4811: 4804: 4795: 4773:Tintic Formation 4768:Reagan Formation 4746:Lodore Formation 4734: 4710:Lodore Formation 4682: 4673: 4624: 4571: 4527:Elbert Formation 4492: 4483: 4460:Warsaw Formation 4420:Gilman Formation 4415:Beulah Formation 4392: 4372:Morrow Formation 4352:Maroon Formation 4337:Kerber Formation 4317:Gothic Formation 4297:Belden Formation 4280:Madera Formation 4264: 4255: 4210:Sumner Formation 4170:Opeche Formation 4160:Maroon Formation 4145:Kaibab Limestone 4125:Glendo Formation 4115:Falcon Formation 4085:Blaine Formation 4068:Madera Formation 4051: 4033:Taloga Formation 4028:Lykins Formation 4012: 4003: 3994: 3989: 3983: 3978: 3963: 3956: 3949: 3940: 3901:Taloga Formation 3896:Lykins Formation 3863: 3818: 3803:Chinle Formation 3791: 3786: 3765:Navajo Formation 3717:Carmel Formation 3684:Curtis Formation 3672: 3616:Smoky Hill Chalk 3501:Codell Sandstone 3481:Benton Formation 3470: 3461: 3456: 3450: 3445: 3430: 3423: 3416: 3407: 3327:Denver Formation 3312:Animas Formation 3180: 3171: 3166: 3050: 3014: 3005: 2974: 2965: 2960: 2954: 2949: 2934: 2927: 2920: 2911: 2892: 2885: 2878: 2869: 2860: 2836: 2815: 2790: 2788: 2763: 2742: 2721: 2719: 2717: 2703: 2693: 2685: 2664: 2662: 2660: 2646: 2636: 2634: 2632: 2618: 2608: 2606: 2604: 2577: 2558: 2545: 2544: 2542: 2532: 2514: 2513: 2507: 2499: 2471: 2438: 2435: 2426: 2420: 2414: 2408: 2402: 2396: 2390: 2384: 2375: 2369: 2363: 2357: 2351: 2345: 2339: 2333: 2324: 2321: 2315: 2309: 2300: 2294: 2288: 2282: 2276: 2270: 2264: 2258: 2252: 2246: 2240: 2234: 2228: 2222: 2216: 2210: 2204: 2198: 2192: 2186: 2175: 2169: 2132:Rhynchosauroides 2110:Anisodontosaurus 2012: 2005: 2001: 1998: 1992: 1990: 1949: 1925: 1917: 1809:One left valve. 1714:119 steinkerns. 1561:One left valve. 1451:Two steinkerns. 1392: 1331:P. putiatinensis 978: 824:Black Mesa Basin 809:Cutler Formation 805:Chinle Formation 793:Navajo Sandstone 775:Colorado Plateau 730:Timpoweap Member 724:Shnabkaib Member 667:San Rafael Swell 610:Cutler Formation 583:Chinle Formation 430:Colorado Plateau 367: 358: 357: 351: 339: 330: 329: 323: 234: 233: 231: 230: 229: 228:35.918; -111.489 224: 220: 217: 216: 215: 212: 164:Kaibab Limestone 154:Chinle Formation 124: 115: 52: 37: 21: 5468: 5467: 5463: 5462: 5461: 5459: 5458: 5457: 5358: 5357: 5356: 5347: 5314: 5295:Nopah Formation 5256: 5220: 5193: 5166: 5118: 5108: 5104:Prida Formation 5069: 5063: 5049:Aztec Sandstone 5035: 5012: 5006: 4992: 4981: 4975: 4966: 4936: 4923: 4906: 4881: 4868: 4825: 4822: 4777: 4755: 4719: 4696: 4658: 4640: 4613: 4590: 4587:Viola Formation 4556: 4542:Ouray Formation 4517:Aneth Formation 4508: 4464: 4440:Osage Formation 4435:Molas Formation 4406: 4381: 4362:Molas Formation 4342:Keyes Formation 4292:Atoka Formation 4283: 4244: 4220:Weber Formation 4155:Lyons Formation 4095:Chase Formation 4072: 4036: 3987: 3976: 3970: 3967: 3918: 3905: 3877: 3852: 3834: 3807: 3784: 3774: 3741: 3703: 3657: 3634: 3566:Lewis Formation 3556:Lance Formation 3531:Greenhorn Shale 3454: 3443: 3437: 3434: 3393: 3371: 3298: 3290:Uinta Formation 3232: 3228:Pitch Formation 3203:Brule Formation 3194: 3164: 3158: 3147: 3138:Trump Formation 3089: 3071: 3035: 2990: 2958: 2947: 2941: 2938: 2905: 2896: 2854: 2818: 2793: 2766: 2745: 2724: 2715: 2713: 2701: 2696: 2687: 2667: 2658: 2656: 2644: 2639: 2630: 2628: 2616: 2611: 2602: 2600: 2598: 2580: 2574: 2561: 2548: 2540: 2538: 2530: 2525: 2522: 2517: 2500: 2473: 2472: 2441: 2436: 2429: 2421: 2417: 2409: 2405: 2397: 2393: 2385: 2378: 2370: 2366: 2358: 2354: 2346: 2342: 2334: 2327: 2322: 2318: 2310: 2303: 2295: 2291: 2283: 2279: 2271: 2267: 2259: 2255: 2247: 2243: 2235: 2231: 2223: 2219: 2211: 2207: 2199: 2195: 2187: 2178: 2170: 2166: 2162: 2145: 2071:Eocyclotosaurus 2060:. Temnospondyl 2039:Holbrook Member 2024:Eocyclotosaurus 2013: 2002: 1996: 1993: 1950: 1948: 1938: 1926: 1915: 1647:One steinkern. 1585:One steinkern. 1486:Few specimens. 1390: 976: 944: 939: 907:Monument Valley 852:Palo Duro Basin 847:Orogrande Basin 790: 759: 740:(AZ*, NV*, UT*) 726:(AZ*, NV*, UT*) 720:(AZ*, NV*, UT*) 632:Parriott Member 620:Ali Baba Member 601:Paradox Basin: 595: 505: 454: 446:Middle Triassic 434:Basin and Range 412:, southeastern 371: 370: 369: 368: 365: 364: 361: 360: 359: 342: 341: 340: 337: 336: 333: 332: 331: 263: 258: 253: 248: 246: 227: 225: 221: 218: 213: 210: 208: 206: 205: 127: 114: 113: 108: 103: 98: 93: 88: 83: 78: 73: 68: 63: 58: 50: 49: 35: 28: 23: 22: 15: 12: 11: 5: 5466: 5464: 5456: 5455: 5450: 5445: 5440: 5435: 5430: 5425: 5420: 5415: 5410: 5405: 5400: 5395: 5390: 5385: 5380: 5375: 5370: 5360: 5359: 5353: 5352: 5349: 5348: 5346: 5345: 5341: 5339: 5330: 5324: 5323: 5320: 5319: 5316: 5315: 5313: 5312: 5307: 5302: 5297: 5292: 5290:Muav Limestone 5287: 5282: 5277: 5272: 5266: 5264: 5258: 5257: 5255: 5254: 5249: 5244: 5238: 5236: 5230: 5229: 5226: 5225: 5222: 5221: 5219: 5218: 5213: 5207: 5201: 5195: 5194: 5192: 5191: 5185: 5183: 5174: 5168: 5167: 5165: 5164: 5159: 5154: 5149: 5144: 5139: 5133: 5131: 5122: 5114: 5113: 5110: 5109: 5107: 5106: 5101: 5096: 5091: 5086: 5081: 5075: 5073: 5065: 5064: 5062: 5061: 5056: 5051: 5045: 5043: 5037: 5036: 5034: 5033: 5027: 5025: 5016: 5008: 5007: 5005: 5004: 4998: 4996: 4985: 4977: 4976: 4967: 4965: 4964: 4957: 4950: 4942: 4933: 4932: 4929: 4928: 4925: 4924: 4922: 4921: 4915: 4912: 4911: 4908: 4907: 4905: 4900: 4898: 4889: 4883: 4882: 4880: 4879: 4877:Tava Formation 4873: 4870: 4869: 4867: 4862: 4860: 4851: 4842: 4833: 4827: 4826: 4823: 4821: 4820: 4813: 4806: 4798: 4791: 4790: 4787: 4786: 4783: 4782: 4779: 4778: 4776: 4775: 4770: 4764: 4761: 4760: 4757: 4756: 4754: 4753: 4748: 4742: 4740: 4731: 4725: 4724: 4721: 4720: 4718: 4717: 4712: 4706: 4704: 4698: 4697: 4695: 4690: 4688: 4679: 4670: 4664: 4663: 4660: 4659: 4657: 4656: 4651: 4645: 4642: 4641: 4639: 4638: 4632: 4630: 4621: 4615: 4614: 4612: 4611: 4606: 4600: 4598: 4592: 4591: 4589: 4584: 4579: 4577: 4568: 4562: 4561: 4558: 4557: 4555: 4554: 4549: 4544: 4539: 4534: 4529: 4524: 4522:Dyer Formation 4519: 4513: 4510: 4509: 4507: 4506: 4500: 4498: 4489: 4480: 4474: 4473: 4470: 4469: 4466: 4465: 4463: 4462: 4457: 4452: 4447: 4442: 4437: 4432: 4427: 4422: 4417: 4411: 4408: 4407: 4405: 4400: 4398: 4389: 4383: 4382: 4380: 4379: 4374: 4369: 4364: 4359: 4354: 4349: 4344: 4339: 4334: 4329: 4324: 4319: 4314: 4309: 4304: 4299: 4294: 4288: 4285: 4284: 4282: 4277: 4272: 4270: 4261: 4252: 4246: 4245: 4243: 4242: 4240:Yeso Formation 4237: 4232: 4227: 4222: 4217: 4212: 4207: 4202: 4197: 4192: 4187: 4182: 4177: 4172: 4167: 4162: 4157: 4152: 4147: 4142: 4137: 4132: 4127: 4122: 4117: 4112: 4107: 4102: 4097: 4092: 4087: 4081: 4078: 4077: 4074: 4073: 4071: 4070: 4065: 4059: 4057: 4048: 4042: 4041: 4038: 4037: 4035: 4030: 4025: 4020: 4018: 4009: 4000: 3991: 3980: 3972: 3971: 3968: 3966: 3965: 3958: 3951: 3943: 3936: 3935: 3932: 3931: 3928: 3927: 3924: 3923: 3920: 3919: 3917: 3916: 3910: 3907: 3906: 3904: 3903: 3898: 3893: 3887: 3885: 3879: 3878: 3876: 3871: 3869: 3860: 3854: 3853: 3851: 3850: 3845: 3843:Jelm Formation 3839: 3836: 3835: 3833: 3832: 3826: 3824: 3815: 3809: 3808: 3806: 3805: 3799: 3797: 3788: 3780: 3779: 3776: 3775: 3773: 3772: 3767: 3762: 3757: 3751: 3749: 3743: 3742: 3740: 3739: 3734: 3732:Page Formation 3729: 3727:Garo Formation 3724: 3719: 3713: 3711: 3705: 3704: 3702: 3701: 3696: 3691: 3686: 3680: 3678: 3669: 3663: 3662: 3659: 3658: 3656: 3655: 3650: 3644: 3642: 3636: 3635: 3633: 3628: 3623: 3618: 3613: 3608: 3603: 3598: 3596:Pando Porphyry 3593: 3588: 3583: 3578: 3573: 3568: 3563: 3558: 3553: 3548: 3543: 3538: 3533: 3528: 3526:Graneros Shale 3523: 3518: 3513: 3508: 3503: 3498: 3493: 3488: 3483: 3478: 3476: 3467: 3458: 3447: 3439: 3438: 3435: 3433: 3432: 3425: 3418: 3410: 3403: 3402: 3399: 3398: 3395: 3394: 3392: 3391: 3386: 3380: 3377: 3376: 3373: 3372: 3370: 3369: 3364: 3359: 3354: 3349: 3344: 3339: 3334: 3329: 3324: 3319: 3314: 3308: 3306: 3300: 3299: 3297: 3292: 3287: 3282: 3277: 3272: 3267: 3262: 3257: 3252: 3247: 3242: 3240: 3234: 3233: 3231: 3230: 3225: 3220: 3215: 3210: 3205: 3199: 3196: 3195: 3193: 3188: 3186: 3177: 3168: 3160: 3159: 3157: 3152: 3149: 3148: 3146: 3145: 3140: 3135: 3130: 3125: 3120: 3115: 3110: 3105: 3100: 3094: 3091: 3090: 3088: 3087: 3081: 3079: 3073: 3072: 3070: 3069: 3064: 3058: 3056: 3047: 3041: 3040: 3037: 3036: 3034: 3033: 3028: 3022: 3020: 3011: 3002: 2996: 2995: 2992: 2991: 2989: 2988: 2982: 2980: 2971: 2962: 2951: 2943: 2942: 2939: 2937: 2936: 2929: 2922: 2914: 2907: 2906: 2897: 2895: 2894: 2887: 2880: 2872: 2853: 2852:External links 2850: 2849: 2848: 2843: 2837: 2816: 2791: 2764: 2743: 2722: 2694: 2665: 2637: 2609: 2597:978-0341722533 2596: 2578: 2572: 2559: 2546: 2521: 2518: 2516: 2515: 2486:(3): 263-293. 2439: 2427: 2425:, p. 231. 2415: 2403: 2401:, p. 151. 2391: 2376: 2374:, p. 142. 2364: 2362:, p. 155. 2352: 2350:, p. 149. 2340: 2338:, p. 143. 2325: 2316: 2301: 2289: 2277: 2265: 2253: 2241: 2229: 2217: 2205: 2193: 2176: 2174:, p. 144. 2163: 2161: 2158: 2157: 2156: 2151: 2144: 2141: 2137:Wupatki Member 2035:Wupatki Member 2015: 2014: 1929: 1927: 1920: 1914: 1911: 1908: 1907: 1905: 1898: 1895: 1894: 1893: 1888: 1885: 1875: 1874: 1872: 1870: 1867: 1866: 1865: 1860: 1857: 1855:U.? canalensis 1851: 1850: 1848: 1846: 1843: 1842: 1841: 1836: 1833: 1831:U.? fassaensis 1828: 1820: 1819: 1817: 1810: 1807: 1806: 1805: 1800: 1797: 1791: 1783: 1782: 1780: 1778: 1775: 1774: 1773: 1768: 1765: 1755: 1754: 1752: 1750: 1747: 1746: 1745: 1740: 1737: 1728: 1720: 1719: 1717: 1715: 1712: 1711: 1710: 1705: 1702: 1700:S. recuperator 1697: 1689: 1688: 1686: 1684: 1681: 1680: 1679: 1674: 1671: 1662: 1654: 1653: 1651: 1648: 1645: 1644: 1643: 1638: 1635: 1630: 1622: 1621: 1619: 1617: 1614: 1613: 1612: 1607: 1604: 1599: 1591: 1590: 1588: 1586: 1583: 1582: 1581: 1576: 1573: 1567: 1566: 1564: 1562: 1559: 1558: 1557: 1552: 1549: 1544: 1536: 1535: 1533: 1530: 1527: 1526: 1525: 1520: 1517: 1508: 1500: 1499: 1497: 1487: 1484: 1483: 1482: 1477: 1474: 1465: 1457: 1456: 1454: 1452: 1449: 1448: 1447: 1442: 1439: 1433: 1425: 1424: 1421: 1418: 1415: 1412: 1409: 1406: 1402: 1401: 1389: 1386: 1383: 1382: 1380: 1378: 1375: 1374: 1373: 1368: 1365: 1359: 1351: 1350: 1348: 1346: 1343: 1342: 1341: 1336: 1333: 1328: 1320: 1319: 1317: 1315: 1312: 1311: 1310: 1305: 1302: 1293: 1285: 1284: 1282: 1268: 1265: 1264: 1263: 1258: 1255: 1249: 1241: 1240: 1238: 1236: 1233: 1232: 1231: 1226: 1223: 1217: 1216: 1214: 1212: 1209: 1208: 1207: 1202: 1199: 1194: 1186: 1185: 1183: 1181: 1178: 1177: 1176: 1171: 1168: 1158: 1157: 1155: 1153: 1150: 1149: 1148: 1143: 1140: 1138:E. virginensis 1134: 1133: 1131: 1121: 1118: 1117: 1116: 1111: 1108: 1102: 1101: 1099: 1097: 1094: 1093: 1092: 1087: 1084: 1079: 1071: 1070: 1068: 1065: 1062: 1061: 1060: 1055: 1052: 1046: 1045: 1043: 1041: 1038: 1037: 1036: 1031: 1028: 1019: 1011: 1010: 1007: 1004: 1001: 998: 995: 992: 988: 987: 975: 972: 943: 940: 938: 935: 934: 933: 928: 923: 918: 913: 904: 899: 894: 885: 884: 878: 875:San Juan Basin 872: 866: 863:Piceance Basin 860: 854: 849: 844: 839: 833: 827: 758: 757:Places visible 755: 754: 753: 750:Wupatki Member 747: 744:Winslow Member 741: 733: 727: 721: 715: 709: 699: 698: 683: 682: 676: 670: 660: 654: 644: 643: 629: 626:Sewemup Member 623: 617: 594: 591: 504: 501: 453: 450: 442:Lower Triassic 373: 372: 362: 353: 352: 346: 345: 344: 343: 334: 325: 324: 318: 317: 316: 315: 314: 311: 310: 307: 303: 302: 299: 295: 294: 291: 287: 286: 282: 281: 273: 269: 268: 240: 236: 235: 203: 197: 196: 192: 191: 186: 182: 181: 176: 172: 171: 167: 166: 161: 157: 156: 151: 147: 146: 143: 139: 138: 133: 129: 128: 125: 117: 116: 109: 104: 99: 94: 89: 84: 79: 74: 69: 64: 59: 54: 53: 42: 41: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 5465: 5454: 5451: 5449: 5446: 5444: 5441: 5439: 5436: 5434: 5431: 5429: 5426: 5424: 5421: 5419: 5416: 5414: 5411: 5409: 5406: 5404: 5401: 5399: 5396: 5394: 5391: 5389: 5386: 5384: 5381: 5379: 5376: 5374: 5371: 5369: 5366: 5365: 5363: 5343: 5342: 5340: 5338: 5334: 5331: 5329: 5325: 5311: 5308: 5306: 5303: 5301: 5298: 5296: 5293: 5291: 5288: 5286: 5283: 5281: 5278: 5276: 5273: 5271: 5268: 5267: 5265: 5263: 5259: 5253: 5250: 5248: 5245: 5243: 5240: 5239: 5237: 5235: 5231: 5217: 5214: 5212: 5209: 5208: 5205: 5202: 5200: 5196: 5190: 5187: 5186: 5184: 5182: 5178: 5175: 5173: 5169: 5163: 5160: 5158: 5155: 5153: 5150: 5148: 5145: 5143: 5140: 5138: 5135: 5134: 5132: 5130: 5126: 5123: 5121: 5115: 5105: 5102: 5100: 5097: 5095: 5092: 5090: 5087: 5085: 5082: 5080: 5077: 5076: 5074: 5072: 5066: 5060: 5057: 5055: 5052: 5050: 5047: 5046: 5044: 5042: 5038: 5032: 5029: 5028: 5026: 5024: 5020: 5017: 5015: 5009: 5003: 5000: 4999: 4997: 4995: 4989: 4986: 4984: 4978: 4974: 4970: 4963: 4958: 4956: 4951: 4949: 4944: 4943: 4940: 4920: 4917: 4916: 4904: 4901: 4899: 4897: 4893: 4890: 4888: 4884: 4878: 4875: 4874: 4866: 4863: 4861: 4859: 4855: 4852: 4850: 4846: 4843: 4841: 4837: 4834: 4832: 4828: 4819: 4814: 4812: 4807: 4805: 4800: 4799: 4796: 4792: 4774: 4771: 4769: 4766: 4765: 4752: 4749: 4747: 4744: 4743: 4741: 4739: 4735: 4732: 4730: 4726: 4716: 4713: 4711: 4708: 4707: 4705: 4703: 4699: 4694: 4691: 4689: 4687: 4683: 4680: 4678: 4674: 4671: 4669: 4665: 4655: 4652: 4650: 4647: 4646: 4637: 4634: 4633: 4631: 4629: 4625: 4622: 4620: 4616: 4610: 4607: 4605: 4602: 4601: 4599: 4597: 4593: 4588: 4585: 4583: 4580: 4578: 4576: 4572: 4569: 4567: 4563: 4553: 4550: 4548: 4545: 4543: 4540: 4538: 4535: 4533: 4530: 4528: 4525: 4523: 4520: 4518: 4515: 4514: 4505: 4502: 4501: 4499: 4497: 4493: 4490: 4488: 4484: 4481: 4479: 4475: 4461: 4458: 4456: 4453: 4451: 4448: 4446: 4443: 4441: 4438: 4436: 4433: 4431: 4428: 4426: 4423: 4421: 4418: 4416: 4413: 4412: 4409: 4404: 4401: 4399: 4397: 4393: 4390: 4388: 4384: 4378: 4375: 4373: 4370: 4368: 4365: 4363: 4360: 4358: 4355: 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936: 932: 929: 927: 924: 922: 919: 917: 914: 911: 910:Navajo Nation 908: 905: 903: 900: 898: 895: 893: 890: 889: 888: 882: 879: 876: 873: 870: 867: 864: 861: 858: 857:Paradox Basin 855: 853: 850: 848: 845: 843: 840: 837: 834: 831: 828: 825: 822: 821: 820: 814: 810: 806: 802: 798: 794: 788: 784: 780: 776: 772: 768: 763: 756: 751: 748: 745: 742: 739: 738: 734: 732:(AZ, NV, UT*) 731: 728: 725: 722: 719: 716: 713: 710: 707: 704: 703: 702: 695: 694:own formation 691: 688: 687: 686: 680: 677: 674: 673:Torrey Member 671: 668: 664: 661: 658: 655: 652: 649: 648: 647: 641: 640:Sinbad Valley 637: 636:Castle Valley 633: 630: 627: 624: 621: 618: 615: 611: 607: 604: 603: 602: 599: 592: 590: 588: 584: 581:beds and the 580: 575: 573: 569: 565: 564:Paradox Basin 559: 557: 553: 549: 545: 540: 536: 532: 528: 524: 517: 513: 509: 502: 500: 496: 493: 488: 485: 483: 479: 475: 471: 470:type locality 463: 458: 451: 449: 447: 443: 439: 435: 431: 427: 423: 419: 415: 411: 407: 403: 399: 395: 391: 384: 379: 350: 322: 312: 308: 304: 300: 296: 293:Moenkopi Wash 292: 288: 283: 280: 279:United States 277: 274: 270: 267: 264:Southwestern 262: 259:Northwestern 257: 252: 249:East-central 245: 241: 237: 232: 204: 202: 198: 193: 190: 187: 183: 180: 177: 173: 168: 165: 162: 158: 155: 152: 148: 144: 140: 137: 134: 130: 123: 118: 112: 107: 102: 97: 92: 87: 82: 77: 72: 67: 62: 57: 47: 43: 38: 33: 19: 5300:Pioche Shale 5098: 3913: 3847: 3606:Pierre Shale 3576:Mancos Shale 3506:Dakota Group 2855: 2824: 2820: 2803: 2799: 2776: 2772: 2751: 2747: 2730: 2726: 2714:. Retrieved 2709: 2705: 2689: 2676:(1): 21–33. 2673: 2669: 2657:. Retrieved 2652: 2648: 2629:. Retrieved 2624: 2620: 2601:. Retrieved 2586: 2563: 2554: 2550: 2539:, retrieved 2534: 2504:cite journal 2483: 2479: 2418: 2406: 2394: 2367: 2355: 2343: 2319: 2292: 2285:Stewart 1959 2280: 2268: 2256: 2244: 2232: 2220: 2213:Gregory 1917 2208: 2196: 2167: 2130: 2124: 2114: 2108: 2104:Ammorhynchus 2102: 2093: 2087: 2081: 2075: 2069: 2030: 2028: 2023: 2003: 1994: 1984: 1977: 1970: 1963: 1951: 1939:Please help 1934:verification 1931: 1901: 1882: 1878: 1854: 1830: 1823: 1813: 1812:Assigned to 1793: 1786: 1762: 1758: 1734: 1730: 1723: 1699: 1692: 1668: 1664: 1657: 1632: 1625: 1601: 1594: 1570: 1546: 1541:Neoschizodus 1539: 1514: 1510: 1503: 1494:thaynesianus 1492:Neoschizodus 1490: 1471: 1467: 1460: 1435: 1428: 1397:Heteroconchs 1395: 1361: 1354: 1330: 1323: 1299: 1295: 1290:Parallelodon 1288: 1279:homevalensis 1275: 1271: 1251: 1244: 1220: 1196: 1189: 1165: 1161: 1137: 1124: 1123:The Anisian 1105: 1082:E. venetiana 1081: 1074: 1049: 1025: 1021: 1014: 983:Pteriomorphs 981: 945: 886: 818: 749: 743: 735: 729: 723: 717: 712:Moqui Member 711: 705: 700: 689: 684: 678: 672: 662: 656: 650: 645: 631: 625: 619: 605: 600: 596: 576: 560: 539:Capitol Reef 533:, with some 520: 512:Chimney Rock 497: 489: 486: 474:Grand Canyon 467: 420:and western 389: 387: 306:Year defined 285:Type section 276:Southwestern 4628:Tremadocian 4396:Tournaisian 3586:Mowry Shale 3541:Juana Lopez 3255:D2 Sequence 2978:Pleistocene 2297:Blakey 1974 2121:dicynodonts 2100:rhynchosaur 2095:Cosgriffius 2083:Wellesaurus 2054:coelacanths 1913:Vertebrates 1902:U. borealis 1763:sandbergeri 1596:Permophorus 1356:Pernopecten 1197:L. nuetzeli 1166:multiformis 1076:Eumorphotis 912:Tribal Park 881:Uinta Basin 830:Great Basin 503:Description 436:, this red 404:, northern 398:U.S. states 226: / 214:111°29′20″W 201:Coordinates 5362:Categories 4738:Guzhangian 4046:Cisuralian 3077:Aquitanian 2827:(3): 211. 2520:References 2423:Lucas 2021 2399:Lucas 2017 2360:Lucas 2017 2348:Lucas 2017 2261:McKee 1951 2189:Lucas 2017 2062:amphibians 1967:newspapers 1814:Unicaridum 1788:Unicaridum 1735:orientalis 1725:Trigonodus 1325:Promyalina 1277:Promytilus 1272:"Modiolus" 1106:E. ericius 1050:B. costata 1026:exporrecta 1016:Bakevellia 568:anticlines 544:Cedar Mesa 416:, eastern 414:California 402:New Mexico 261:New Mexico 211:35°55′05″N 4677:Furongian 4496:Famennian 4007:Lopingian 3867:Olenekian 3304:Paleocene 3175:Oligocene 3054:Messinian 2659:24 August 2655:: 229–240 2627:: 149–158 2201:Ward 1901 2160:Footnotes 1825:Unionites 1627:Pleuromya 1505:Myoconcha 1472:balatonis 1462:Heminajas 1417:Material 1411:Location 1300:beyrichii 1003:Material 997:Location 952:Olenekian 832:province* 579:Paleozoic 572:synclines 535:limestone 523:sandstone 438:sandstone 290:Named for 254:Southern 242:Northern 179:Sandstone 170:Lithology 150:Underlies 142:Sub-units 4896:Siderian 4729:Series 3 4686:Stage 10 4268:Gzhelian 4055:Asselian 3184:Chattian 3018:Zanclean 3009:Pliocene 2903:Colorado 2682:40024381 2584:(1917). 2496:Archived 2143:See also 2089:Vigilius 2068:include 2058:lungfish 2047:hybodont 1997:May 2020 1883:borealis 1659:Protopis 1633:P. prima 1408:Species 1246:Modiolus 1128:beneckei 994:Species 948:bivalves 942:Bivalves 769:through 767:Jurassic 697:Arizona. 548:Woodside 527:mudstone 422:Colorado 298:Named by 266:Colorado 195:Location 160:Overlies 18:Moenkopi 4702:Paibian 3822:Anisian 3045:Miocene 2603:8 April 1981:scholar 1669:waageni 1430:Arcomya 1423:Images 1414:Member 1009:Images 1000:Member 815:, Utah. 771:Permian 593:Members 552:Thaynes 537:in the 464:(1914). 406:Arizona 272:Country 244:Arizona 175:Primary 4973:Nevada 4858:Tonian 4596:Middle 3883:Induan 3813:Middle 3709:Middle 3238:Eocene 2779:: 12. 2716:26 May 2680:  2631:26 May 2594:  2570:  2541:26 May 2098:. The 2092:, and 2056:, and 2050:sharks 1983:  1976:  1969:  1962:  1954:  1420:Notes 1405:Genus 1006:Notes 991:Genus 614:gypsum 554:, and 529:, and 410:Nevada 251:Nevada 239:Region 4619:Lower 4575:Upper 4487:Upper 3858:Lower 3795:Upper 3747:Lower 3676:Upper 3640:Lower 3474:Upper 2702:(PDF) 2678:JSTOR 2645:(PDF) 2617:(PDF) 2531:(PDF) 2043:basal 1988:JSTOR 1974:books 1667:aff. 1515:plana 1298:aff. 937:Fauna 752:(AZ*) 714:(AZ*) 708:(AZ*) 531:shale 426:group 392:is a 189:Shale 185:Other 2718:2020 2712:: 85 2661:2021 2633:2020 2605:2021 2592:ISBN 2568:ISBN 2543:2020 2510:link 2129:and 2037:and 1960:news 1881:cf. 1796:sp. 1761:cf. 1733:cf. 1513:cf. 1470:cf. 1438:sp. 1364:sp. 1254:sp. 1164:cf. 1024:cf. 785:and 779:Utah 765:The 746:(AZ) 432:and 418:Utah 388:The 309:1901 301:Ward 256:Utah 132:Type 56:PreꞒ 4971:of 2901:of 2829:doi 2808:doi 2781:doi 2777:691 2756:doi 2735:doi 2555:104 2488:doi 1943:by 1879:U.? 1794:U.? 1665:P.? 1468:H.? 1436:A.? 1362:P.? 1296:P.? 514:at 400:of 5364:: 5328:pЄ 5119:Pz 5070:Tr 5013:Mz 4993:Cz 4982:Ph 4831:pЄ 3988:Pz 3977:Ph 3785:Tr 3455:Mz 3444:Ph 3165:Pe 2959:Cz 2948:Ph 2825:58 2823:. 2804:12 2802:. 2798:. 2771:. 2754:. 2752:43 2750:. 2733:. 2731:43 2729:. 2708:. 2704:. 2686:* 2674:22 2672:. 2653:72 2651:. 2647:. 2625:68 2623:. 2619:. 2553:. 2533:, 2506:}} 2502:{{ 2494:. 2484:11 2482:. 2478:. 2442:^ 2430:^ 2379:^ 2328:^ 2304:^ 2179:^ 2139:. 2086:, 2080:, 2074:, 2052:, 1759:T. 1731:T. 1511:M. 1496:. 1252:M. 1162:E. 1022:B. 638:, 574:. 558:. 550:, 525:, 408:, 106:Pg 48:: 5337:♇ 5262:Є 5234:D 5199:M 5181:⁋ 5172:C 5129:P 5041:J 5023:K 4961:e 4954:t 4947:v 4887:X 4849:Z 4840:♇ 4817:e 4810:t 4803:v 4668:Є 4566:O 4478:D 4387:M 4259:⁋ 4250:C 3998:P 3962:e 3955:t 3948:v 3667:J 3465:K 3429:e 3422:t 3415:v 3000:N 2969:Q 2933:e 2926:t 2919:v 2891:e 2884:t 2877:v 2835:. 2831:: 2814:. 2810:: 2789:. 2783:: 2762:. 2758:: 2741:. 2737:: 2720:. 2710:2 2684:. 2663:. 2635:. 2607:. 2576:. 2557:. 2512:) 2490:: 2413:. 2314:. 2299:. 2287:. 2275:. 2263:. 2251:. 2239:. 2227:. 2215:. 2203:. 2191:. 2010:) 2004:( 1999:) 1995:( 1985:· 1978:· 1971:· 1964:· 1937:. 883:* 877:* 871:* 865:* 859:* 838:* 826:* 111:N 101:K 96:J 91:T 86:P 81:C 76:D 71:S 66:O 61:Ꞓ 34:. 20:)

Index

Moenkopi
Moenkopi, Arizona
Stratigraphic range
PreꞒ

O
S
D
C
P
T
J
K
Pg
N

Geological formation
Chinle Formation
Kaibab Limestone
Sandstone
Shale
Coordinates
35°55′05″N 111°29′20″W / 35.918°N 111.489°W / 35.918; -111.489
Arizona
Nevada
Utah
New Mexico
Colorado
Southwestern
United States

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