3238:
2925:
79:
104:
286:
2836:
111:
86:
61:
337:
was ecstatic to find that one of his men had uncovered a fossil from a
Jurassic mammal. Within a year, the historic Quarry 9 at Como was discovered, producing an astounding 250 specimens, which increased the knowledge of Jurassic mammals exponentially.
3564:
258:
discovered many well-preserved specimens of dinosaurs, as well as mammals, turtles, crocodilians, and fish from the
Morrison Formation. Because of this, Como Bluff is considered to be one of the major sites for the early discovery of
65:
Multicolored (variegated) beds of the
Morrison Formation at Como Bluff, Wyoming. Many historical dinosaur sites are located along the flanks of the bluff. The Sundance Formation is visible as the reddish beds at the base of the
3574:
3506:
3163:
2794:
Carrano, M.T., and Velez-Juarbe, J. 2006. Paleoecology of the Quarry 9 vertebrate assemblage from Como Bluff, Wyoming (Morrison
Formation, Late Jurassic). Palaeogeography, Palaeoclimatology, Palaeoecology
2804:
Foster, J.R. 2003. Paleoecological analysis of the vertebrate fauna of the
Morrison Formation (Upper Jurassic), Rocky Mountain region, USA. New Mexico Museum of Natural History and Science 23:1-95.
2991:
2755:
Prothero, D.R. 1981. New
Jurassic mammals from Como Bluff, Wyoming, and the interrelationships of non-tribosphenic Theria. Bulletin of the American Museum of Natural History 167: 281:325
3198:
2885:
2858:
3319:
3001:
3124:
3482:
333:
In addition to the major significance of dinosaur discoveries at Como Bluff, the site has also been the source of significant early mammal fossils. In early 1878,
3559:
3510:
3167:
3149:
149:
2986:
3539:
3534:
3191:
2878:
3412:
2971:
3104:
2961:
3487:
3246:
3184:
2933:
2871:
3299:
3544:
3437:
3402:
3207:
2894:
270:
47:
3237:
2981:
2924:
103:
3274:
3294:
3269:
2976:
358:
310:
3284:
3099:
3069:
3044:
2773:
2743:
78:
3554:
3442:
3114:
269:. Significant discoveries were made in 22 different areas scattered along the entire length of the ridge. It is included on the
3569:
3327:
2716:
Ostrom, J. H., and McIntosh, J.S. 1966. Marsh's
Dinosaurs: The Collections from Como Bluff. Yale University Press, New Haven.
3054:
297:
The discovery of dinosaurs at Como Bluff has been recounted numerous times, most notably by
Schuchert and LeVene, Shur,
3549:
3337:
3134:
3064:
2816:
3529:
3309:
3219:
3009:
2906:
3392:
3387:
3176:
2863:
274:
3432:
3144:
3129:
3462:
3452:
3352:
3289:
3259:
2698:
Schuchert, C., and LeVene, C.M. 1940. O.C.Marsh, Pioneer in
Paleontology. Yale University Press, New Haven.
319:, finding two partial skeletons of sauropods. A summary of the quarries and their contents is given below.
3397:
3372:
3211:
3109:
3089:
3074:
3019:
2956:
2946:
2898:
2840:
3492:
3467:
3457:
3382:
3084:
3079:
334:
220:
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jointly reopened Quarry 9, the Mammal Quarry, 1968–1970, finding only a few specimens. More recently,
3279:
3039:
2966:
2676:
3447:
3139:
3049:
977:
750:
306:
216:
2189:
3417:
3377:
3254:
3119:
3024:
1873:
240:
236:
232:
285:
3472:
3367:
3357:
3094:
2852:
2847:
2769:
2768:
pp 1, 7-8, 19-20, Peabody Museum of
Natural History, Yale University, New Haven, Connecticut.
2739:
1540:
3477:
3034:
2738:
pp 1, 8, 19-20, Peabody Museum of Natural History, Yale University, New Haven, Connecticut.
1945:
1794:
231:, formed as a result of compressional geological folding. Three geological formations, the
3362:
3347:
3332:
3059:
2820:
2028:
1683:
1618:
323:
255:
3427:
3029:
2408:
1672:
1577:
1504:
1386:
481:
196:
3523:
3227:
2914:
2541:
2212:
2198:
2076:
2071:
2005:
1800:
1785:
1734:
1664:
1565:
1529:
840:
327:
3407:
3342:
2126:
2120:
2091:
2000:
1950:
1904:
1818:
1773:
1728:
1499:
1289:
1014:
938:
682:
547:
492:
420:
413:
290:
248:
301:
and McIntosh, and Jaffe. Most of the specimens were collected by men working for
2226:
2115:
2060:
2011:
1699:
1598:
1585:
862:
832:
722:
558:
552:
521:
500:
298:
305:
between 1877 and 1889, although some were collected by the Hubbel brothers for
3422:
3304:
3014:
2234:
2134:
2105:
1956:
1812:
1639:
1514:
1183:
893:
732:
614:
515:
510:
475:
444:
385:
374:
302:
165:
151:
17:
2250:
2153:
2034:
1899:
1879:
1691:
1520:
1380:
608:
379:
228:
2835:
317:
314:
2941:
2813:
2242:
2204:
2082:
1976:
1591:
1552:
1449:
962:
463:
453:
369:
347:
265:
260:
3565:
Natural features on the National Register of Historic Places in Wyoming
3507:
National Register of Historic Places listings in Carbon County, Wyoming
3164:
National Register of Historic Places listings in Albany County, Wyoming
2097:
2019:
1910:
1609:
224:
60:
1534:
469:
244:
263:
remains. Among the species discovered is the only known specimen of
284:
215:
is a long ridge extending east–west, located between the towns of
1557:
3180:
2867:
3575:
National Register of Historic Places in Albany County, Wyoming
2814:
Division of Paleontology, American Museum of Natural History|
2992:
University Neighborhood Historic District (Laramie, Wyoming)
2725:
Jaffe, M. 2000. The Gilded Dinosaur. Crown Publ., New York.
2707:
Shur, E. 1974. The Fossil Feud. Exposition Press, NY. 340p.
322:
In later years, the American Museum of Natural History and
330:
has done some collecting there with a variety of groups.
293:
at Como Bluff, built in 1932 from broken dinosaur bones.
2766:
The Scientific Contributions of Othniel Charles Marsh,
2736:
The Scientific Contributions of Othniel Charles Marsh,
3318:
3245:
3218:
3000:
2932:
2905:
202:
189:
143:
135:
127:
2855:at the Wyoming State Historic Preservation Office
2346:
3511:List of National Historic Landmarks in Wyoming
3168:List of National Historic Landmarks in Wyoming
3192:
2879:
1364:
8:
677:Arthur Lakes Quarry 1A. (Big Canyon Quarry)
3413:France Memorial United Presbyterian Church
3199:
3185:
3177:
2987:St. Matthew's Cathedral (Laramie, Wyoming)
2972:F.S. King Brothers Ranch Historic District
2886:
2872:
2864:
131:taken near Aurora Lake (a.k.a. Como Lake).
59:
342:Como Bluff historical quarries (pre-1900)
48:U.S. National Register of Historic Places
2962:Jelm-Frank Smith Ranch Historic District
2347:Reed's Quarry 12 (Robbers' Roost Quarry)
1493:
2691:
247:remains from the Late Jurassic of the
31:
3560:National Natural Landmarks in Wyoming
3483:Union Pacific Railroad Depot, Rawlins
3300:Rawlins Residential Historic District
7:
3438:J. O. Ranch Rural Historic Landscape
3208:National Register of Historic Places
2895:National Register of Historic Places
1365:Reed's Quarry 7 (Three Trees Quarry)
271:National Register of Historic Places
3540:Landforms of Carbon County, Wyoming
3535:Landforms of Albany County, Wyoming
3275:Headquarters Park Historic District
437:(some could be from Quarry 1 or 2)
3295:Powder Wash Archeological District
3270:Downtown Rawlins Historic District
2977:Laramie Downtown Historic District
874:
359:American Museum of Natural History
311:American Museum of Natural History
110:
85:
25:
3285:Muddy Creek Archeological Complex
3070:First National Bank of Rock River
2982:Richardson's Overland Trail Ranch
3443:Medicine Bow Union Pacific Depot
3236:
3150:Wyoming Territorial Penitentiary
2923:
2834:
109:
102:
84:
77:
2441:genus and species indeterminant
2358:genus and species indeterminant
2342:genus and species indeterminant
1614:genus and species indeterminant
1509:genus and species indeterminant
1494:Reed's Quarry 9 (Mammal Quarry)
1410:genus and species indeterminant
1103:genus and species indeterminant
1070:genus and species indeterminant
967:genus and species indeterminant
3328:Garrett Allen Prehistoric Site
972:William Harlow Reed's Quarries
191:
1:
3055:DOE Bridge over Laramie River
118:Show map of the United States
2859:Dinosaur Fossil Cabin Museum
879:(could be from Quarry 1, 2)
29:United States historic place
3545:Jurassic geology of Wyoming
3338:Boston Wyoming Smelter Site
3135:Union Pacific Athletic Club
2848:Como Bluffs fossil quarries
2213:Archaeotrigon brevimaxillus
309:between 1879 and 1880. The
3591:
3310:Wyoming State Penitentiary
3220:National Historic Landmark
3010:Barn at Oxford Horse Ranch
2907:National Historic Landmark
1078:
534:Frederick Brown's Quarries
3501:
3393:First State Bank of Baggs
3388:Ferris-Haggarty Mine Site
3234:
3158:
2921:
2462:
2288:
2262:
875:Cope's localities unknown
313:(AMNH) excavated in 1897
275:National Natural Landmark
190:NRHP reference
71:
58:
54:
45:
38:
34:
3433:Jack Creek Guard Station
3145:Woods Landing Dance Hall
3130:Snow Train Rolling Stock
1801:Stokesosaurus clevelandi
1566:Comobatrachus aenigmatis
1398:
1338:
1270:
1206:
1137:
1111:
983:
971:
823:
781:
755:
744:
650:
625:
596:
570:
538:
533:
346:Data source:. . . (h)=
3555:Paleontology in Wyoming
3463:Sage Creek Station Site
3453:Pine Grove Station Site
3353:DFU Elk Mountain Bridge
3290:Parco Historic District
3260:Brush Creek Work Center
3075:Fort Sanders Guardhouse
2220:Archaeotrigon distagmus
2106:Eurylambda aequicrurius
1774:Ceratosaurus nasicornis
433:AMNH localities unknown
243:Formations, containing
139:Rock River-Medicine Bow
3373:Duck Lake Station Site
3212:Carbon County, Wyoming
3110:North Albany Clubhouse
3090:Lehman-Tunnell Mansion
3020:Charles E. Blair House
2957:Flying Horseshoe Ranch
2947:Centennial Work Center
2899:Albany County, Wyoming
2235:Euthlastus cordiformis
1835:Othnielosaurus consors
1786:Ornitholestes hermanni
1619:Comonecturoides marshi
1387:Othnielosaurus consors
1285:Dermodactylus montanus
841:Dermodactylus montanus
294:
166:41.91611°N 106.06417°W
3570:1970s in paleontology
3493:Washakie Station Site
3468:Saratoga Masonic Hall
3458:Platte River Crossing
3383:George Ferris Mansion
3080:William Goodale House
2843:at Wikimedia Commons
2680:(with link directory)
2631:Stegosaurus ungulatus
2452:Stegosaurus ungulatus
2409:Fosterovenator churei
2328:Stegosaurus ungulatus
2308:Brontosaurus excelsus
2278:Brontosaurus excelsus
2190:Miccylotyrans minimus
2127:Amblotherium gracilis
2012:Aploconodon comoensis
1657:?Sauria indeterminant
1578:Enneabatrachus hechti
1042:Pleurocoelus montanus
1032:Camarasaurus robustus
414:Brontosaurus excelsus
288:
3418:Hanna Community Hall
3280:Medicine Bow Airport
3040:John D. Conley House
2967:Keystone Work Center
2677:List of fossil sites
2620:Stegosaurus sulcatus
2205:Araeodon intermissus
2061:Trioracodon bisulcus
2042:Priacodon grandaevus
1735:Macelognathus vagans
1716:Cteniogenys antiquus
1700:Theretairus antiquus
1168:Camarasaurus grandis
1046:Camarasaurus grandis
1036:Camarasaurus grandis
1026:Camarasaurus grandis
1015:Camarasaurus grandis
745:E.D. Cope's Quarries
501:Cteniogenys antiquus
281:History of discovery
171:41.91611; -106.06417
3448:Midway Station Site
3320:Historic properties
3140:Vee Bar Ranch Lodge
3105:Mountain View Hotel
3050:Dale Creek Crossing
3002:Historic properties
2785:Ostrom and McIntosh
2764:McCarren, Mark J.
2734:McCarren, Mark J.
2660:Allosaurus fragilis
2626:Stegosaurus stenops
2593:Camptosaurus browni
2581:Camptosaurus medius
2575:Camptosaurus dispar
2549:Camarasaurus lentus
2478:Glyptops plicatulus
2397:Torvosaurus tanneri
1970:Ctenacodon serratus
1964:Ctenacodon scindens
1957:Ctenacodon laticeps
1768:Allosaurus fragilis
1541:Ceratodus guentheri
1222:Allosaurus fragilis
1094:Allosaurus fragilis
1003:Allosaurus fragilis
978:William Harlow Reed
751:Edward Drinker Cope
728:Camptosaurus amplus
641:Allosaurus fragilis
615:Allosaurus fragilis
254:Nineteenth-century
161: /
93:Show map of Wyoming
3550:Morrison Formation
3378:Elk Mountain Hotel
3247:Historic districts
3120:Parker Ranch House
3025:N.K. Boswell Ranch
2934:Historic districts
2819:2007-02-24 at the
2610:Diracodon laticeps
2587:Camptosaurus nanus
2571:Camptonotus dispar
2324:Stegosaurus duplex
2304:Apatosaurus amplus
2141:Dryolestes obtusus
2135:Dryolestes priscus
2083:Amphidon superstes
2054:Priacodon robustus
1874:Rhamphorhynchoidea
1599:Eobatrachus agilis
1153:Allosaurus lucaris
1022:Camarasaurus impar
295:
227:. The ridge is an
3530:Ridges of Wyoming
3517:
3516:
3473:Stockgrowers Bank
3368:DML Butler Bridge
3358:Divide Sheep Camp
3174:
3173:
3125:St. Paulus Kirche
2839:Media related to
2524:Coelurus fragilis
2518:Coelurus fragilis
2227:Comotherium richi
2154:Laolestes eminens
1880:Laopteryx priscus
1780:Coelurus fragilis
1640:Dinochelys whitei
1450:Coelurus fragilis
1381:Laosaurus consors
1079:Reed's Quarry 1 ½
901:Glyptops plicatus
454:Glyptops plicatus
357:Excavated by the
210:
209:
16:(Redirected from
3582:
3478:Stone Wall Ranch
3403:Fort Fred Steele
3240:
3201:
3194:
3187:
3178:
3065:East Side School
3035:Centennial Depot
2927:
2888:
2881:
2874:
2865:
2838:
2823:
2811:
2805:
2802:
2796:
2792:
2786:
2783:
2777:
2762:
2756:
2753:
2747:
2732:
2726:
2723:
2717:
2714:
2708:
2705:
2699:
2696:
2656:Allosaurus ferox
2463:Reed's Quarry 13
2289:Reed's Quarry 11
2263:Reed's Quarry 10
2251:Tathiodon agilis
2147:Dryolestes vorax
1946:Multituberculata
1924:Docodon striatus
1795:Tyrannosauroidea
1646:Glyptops ornatus
1573:Discoglossoidea
1328:Dryosaurus altus
999:Allosaurus atrox
651:Brown's Quarry G
626:Brown's Quarry D
597:Brown's Quarry C
571:Brown's Quarry B
539:Brown's Quarry A
206:January 18, 1973
193:
185:
184:
182:
181:
180:
178:
173:
172:
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159:
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157:
154:
119:
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32:
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3589:
3585:
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3581:
3580:
3579:
3520:
3519:
3518:
3513:
3497:
3488:Virginian Hotel
3363:DMJ Pick Bridge
3348:Carbon Cemetery
3333:Jim Baker Cabin
3314:
3241:
3232:
3214:
3205:
3175:
3170:
3154:
3085:Ivinson Mansion
3060:Durlacher House
2996:
2928:
2919:
2901:
2892:
2832:
2827:
2826:
2821:Wayback Machine
2812:
2808:
2803:
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2789:
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2780:
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2750:
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2724:
2720:
2715:
2711:
2706:
2702:
2697:
2693:
2688:
2673:
2643:
2514:Coelurus agilis
2465:
2349:
2291:
2265:
2243:Paurodon valens
2048:Priacodon lulli
2035:Priacodon ferox
2029:Triconodontidae
2020:Comodon gidleyi
1991:Psalodon marshi
1984:Psalodon potens
1977:Psalodon fortis
1930:Docodon superus
1918:Docodon crassus
1911:Docodon affinis
1692:Opisthias rarus
1684:Rhynchocephalia
1496:
1401:
1399:Reed's Quarry 8
1367:
1341:
1339:Reed's Quarry 6
1273:
1271:Reed's Quarry 5
1209:
1207:Reed's Quarry 4
1140:
1138:Reed's Quarry 3
1114:
1112:Reed's Quarry 2
1081:
986:
984:Reed's Quarry 1
974:
877:
826:
824:Cope's Quarry 5
784:
782:Cope's Quarry 4
758:
756:Cope's Quarry 3
747:
679:
653:
628:
599:
573:
541:
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435:
400:
366:
355:
344:
324:Yale University
283:
273:as well as the
256:paleontologists
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3100:Lincoln School
3097:
3092:
3087:
3082:
3077:
3072:
3067:
3062:
3057:
3052:
3047:
3045:Cooper Mansion
3042:
3037:
3032:
3030:Brooklyn Lodge
3027:
3022:
3017:
3012:
3006:
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2998:
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2830:External links
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2641:Reed Quarry 14
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2290:
2287:
2286:
2285:
2284:
2283:
2282:
2281:
2269:
2264:
2261:
2260:
2259:
2258:
2257:
2256:
2255:
2247:
2239:
2231:
2223:
2217:
2209:
2196:
2195:
2194:
2186:
2172:
2158:
2150:
2144:
2138:
2131:
2113:
2112:
2111:
2110:
2109:
2102:
2098:Tinodon bellus
2089:
2088:
2087:
2069:
2068:
2067:
2066:
2065:
2057:
2051:
2045:
2039:
2026:
2025:
2024:
2016:
1998:
1997:
1996:
1995:
1994:
1987:
1981:
1973:
1967:
1961:
1943:
1942:
1941:
1940:
1939:
1936:Docodon victor
1933:
1927:
1921:
1915:
1897:
1893:
1892:
1891:
1890:
1889:
1888:
1868:
1867:
1866:
1865:
1864:
1853:
1852:
1851:
1850:
1849:
1843:
1837:
1826:
1825:
1824:
1823:
1822:
1816:
1807:
1806:
1805:
1792:
1791:
1790:
1782:
1777:
1770:
1759:
1755:
1754:
1753:
1752:
1751:
1750:
1741:
1740:
1739:
1723:
1722:
1721:
1720:
1719:
1708:
1707:
1706:
1705:
1704:
1696:
1681:
1680:
1679:
1678:
1677:
1673:Paramacellodus
1669:
1658:
1652:
1651:
1650:
1649:
1648:
1643:
1635:Amphichelydia
1630:
1626:
1625:
1624:
1623:
1615:
1607:
1606:
1605:
1604:
1603:
1589:
1583:
1582:
1581:
1571:
1570:
1569:
1555:
1549:
1548:
1547:
1546:
1545:
1544:
1527:
1526:
1525:
1512:
1511:
1510:
1505:Actinopterygii
1502:
1495:
1492:
1491:
1490:
1489:
1488:
1487:
1486:
1474:
1473:
1472:
1471:
1470:
1464:
1455:
1454:
1453:
1446:
1434:
1430:
1429:
1428:
1427:
1426:
1425:
1413:
1412:
1411:
1405:
1400:
1397:
1396:
1395:
1394:
1393:
1392:
1391:
1371:
1366:
1363:
1362:
1361:
1360:
1359:
1358:
1357:
1345:
1340:
1337:
1336:
1335:
1334:
1333:
1332:
1331:
1319:
1318:
1317:
1316:
1315:
1303:
1299:
1298:
1297:
1296:
1295:
1294:
1277:
1272:
1269:
1268:
1267:
1266:
1265:
1264:
1263:
1251:
1250:
1249:
1248:
1247:
1241:
1235:
1226:
1225:
1224:
1213:
1208:
1205:
1204:
1203:
1202:
1201:
1200:
1199:
1190:
1189:
1188:
1174:
1173:
1172:
1171:
1170:
1162:
1161:
1160:
1144:
1139:
1136:
1135:
1134:
1133:
1132:
1131:
1130:
1118:
1113:
1110:
1109:
1108:
1107:
1106:
1105:
1104:
1098:
1097:
1096:
1085:
1080:
1077:
1076:
1075:
1074:
1073:
1072:
1071:
1064:
1060:
1059:
1058:
1057:
1056:
1055:
1049:
1039:
1029:
1019:
1008:
1007:
1006:
990:
985:
982:
973:
970:
969:
968:
965:
959:
958:
957:
956:
955:
954:
945:
944:
943:
928:
924:
923:
922:
921:
920:
919:
907:
906:
905:
904:
903:
898:
889:Amphichelydia
884:
876:
873:
872:
871:
870:
869:
868:
867:
853:
849:
848:
847:
846:
845:
844:
830:
825:
822:
821:
820:
819:
818:
817:
816:
804:
803:
802:
801:
800:
788:
783:
780:
779:
778:
777:
776:
775:
774:
762:
757:
754:
746:
743:
742:
741:
740:
739:
738:
737:
717:
716:
715:
714:
713:
704:
703:
702:
690:
678:
675:
674:
673:
672:
671:
670:
669:
657:
652:
649:
648:
647:
646:
645:
644:
643:
632:
627:
624:
623:
622:
621:
620:
619:
618:
603:
598:
595:
594:
593:
592:
591:
590:
589:
577:
572:
569:
568:
567:
566:
565:
564:
563:
545:
540:
537:
535:
532:
531:
530:
529:
528:
527:
526:
508:
507:
506:
505:
504:
490:
489:
488:
487:
486:
482:Paramacellodus
473:
461:
460:
459:
458:
457:
449:Amphichelydia
442:
434:
431:
430:
429:
428:
427:
426:
425:
417:
404:
399:
396:
395:
394:
393:
392:
391:
390:
372:
365:
362:
354:
351:
343:
340:
282:
279:
208:
207:
204:
200:
199:
194:
187:
186:
145:
141:
140:
137:
133:
132:
129:
125:
124:
108:
107:
101:
100:
99:
98:
83:
82:
76:
75:
74:
73:
72:
69:
68:
64:
56:
55:
52:
51:
46:
43:
42:
39:
36:
35:
28:
24:
14:
13:
10:
9:
6:
4:
3:
2:
3587:
3576:
3573:
3571:
3568:
3566:
3563:
3561:
3558:
3556:
3553:
3551:
3548:
3546:
3543:
3541:
3538:
3536:
3533:
3531:
3528:
3527:
3525:
3512:
3508:
3505:
3500:
3494:
3491:
3489:
3486:
3484:
3481:
3479:
3476:
3474:
3471:
3469:
3466:
3464:
3461:
3459:
3456:
3454:
3451:
3449:
3446:
3444:
3441:
3439:
3436:
3434:
3431:
3429:
3426:
3424:
3421:
3419:
3416:
3414:
3411:
3409:
3406:
3404:
3401:
3399:
3396:
3394:
3391:
3389:
3386:
3384:
3381:
3379:
3376:
3374:
3371:
3369:
3366:
3364:
3361:
3359:
3356:
3354:
3351:
3349:
3346:
3344:
3341:
3339:
3336:
3334:
3331:
3329:
3326:
3325:
3323:
3321:
3317:
3311:
3308:
3306:
3303:
3301:
3298:
3296:
3293:
3291:
3288:
3286:
3283:
3281:
3278:
3276:
3273:
3271:
3268:
3266:
3263:
3261:
3258:
3256:
3253:
3252:
3250:
3248:
3244:
3239:
3229:
3228:Ames Monument
3226:
3225:
3223:
3221:
3217:
3213:
3209:
3202:
3197:
3195:
3190:
3188:
3183:
3182:
3179:
3169:
3165:
3162:
3157:
3151:
3148:
3146:
3143:
3141:
3138:
3136:
3133:
3131:
3128:
3126:
3123:
3121:
3118:
3116:
3113:
3111:
3108:
3106:
3103:
3101:
3098:
3096:
3093:
3091:
3088:
3086:
3083:
3081:
3078:
3076:
3073:
3071:
3068:
3066:
3063:
3061:
3058:
3056:
3053:
3051:
3048:
3046:
3043:
3041:
3038:
3036:
3033:
3031:
3028:
3026:
3023:
3021:
3018:
3016:
3013:
3011:
3008:
3007:
3005:
3003:
2999:
2993:
2990:
2988:
2985:
2983:
2980:
2978:
2975:
2973:
2970:
2968:
2965:
2963:
2960:
2958:
2955:
2953:
2950:
2948:
2945:
2943:
2940:
2939:
2937:
2935:
2931:
2926:
2916:
2915:Ames Monument
2913:
2912:
2910:
2908:
2904:
2900:
2896:
2889:
2884:
2882:
2877:
2875:
2870:
2869:
2866:
2860:
2857:
2854:
2851:
2849:
2846:
2845:
2844:
2842:
2837:
2829:
2822:
2818:
2815:
2810:
2807:
2801:
2798:
2791:
2788:
2782:
2779:
2775:
2774:0-912532-32-7
2771:
2767:
2761:
2758:
2752:
2749:
2745:
2744:0-912532-32-7
2741:
2737:
2731:
2728:
2722:
2719:
2713:
2710:
2704:
2701:
2695:
2692:
2685:
2681:
2678:
2675:
2674:
2670:
2661:
2657:
2654:
2653:
2651:
2650:
2648:
2645:
2644:
2640:
2632:
2629:
2627:
2624:
2621:
2618:
2615:
2611:
2608:
2607:
2605:
2600:
2597:
2594:
2591:
2588:
2585:
2582:
2579:
2576:
2572:
2569:
2568:
2566:
2565:
2564:Ornithischia
2563:
2556:
2553:
2550:
2547:
2544:
2543:
2542:Brachiosaurus
2538:
2537:
2535:
2534:
2532:
2525:
2522:
2519:
2516:(h) (part of
2515:
2512:
2511:
2509:
2508:
2506:
2503:
2502:
2494:
2491:
2490:
2488:
2487:
2485:
2479:
2476:
2475:
2473:
2472:
2470:
2467:
2466:
2453:
2450:
2449:
2448:
2447:
2445:
2440:
2439:
2437:
2434:
2427:
2424:
2421:
2418:
2417:
2415:
2411:
2410:
2406:
2403:
2400:
2398:
2395:
2392:
2389:
2388:
2386:
2385:
2383:
2380:
2379:
2371:
2368:
2367:
2365:
2364:
2362:
2357:
2356:
2354:
2351:
2350:
2341:
2338:
2337:
2329:
2325:
2322:
2321:
2319:
2318:
2317:Ornithischia
2316:
2309:
2305:
2302:
2301:
2299:
2298:
2296:
2293:
2292:
2279:
2276:
2275:
2273:
2272:
2270:
2267:
2266:
2253:
2252:
2248:
2245:
2244:
2240:
2237:
2236:
2232:
2229:
2228:
2224:
2221:
2218:
2215:
2214:
2210:
2207:
2206:
2202:
2201:
2200:
2199:Paurodontidae
2197:
2192:
2191:
2187:
2184:
2180:
2176:
2173:
2170:
2166:
2162:
2159:
2156:
2155:
2151:
2148:
2145:
2142:
2139:
2137:
2136:
2132:
2129:
2128:
2124:
2123:
2122:
2119:
2118:
2117:
2114:
2108:
2107:
2103:
2100:
2099:
2095:
2094:
2093:
2090:
2085:
2084:
2080:
2079:
2078:
2077:Amphidontidae
2075:
2074:
2073:
2072:Symmetrodonta
2070:
2063:
2062:
2058:
2055:
2052:
2049:
2046:
2043:
2040:
2037:
2036:
2032:
2031:
2030:
2027:
2022:
2021:
2017:
2014:
2013:
2009:
2008:
2007:
2006:Amphilestidae
2004:
2003:
2002:
1999:
1992:
1988:
1985:
1982:
1979:
1978:
1974:
1971:
1968:
1965:
1962:
1959:
1958:
1954:
1953:
1952:
1949:
1948:
1947:
1944:
1937:
1934:
1931:
1928:
1925:
1922:
1919:
1916:
1913:
1912:
1908:
1907:
1906:
1903:
1902:
1901:
1898:
1895:
1894:
1886:
1882:
1881:
1877:
1876:
1875:
1872:
1871:
1869:
1862:
1859:
1858:
1857:
1856:
1854:
1847:
1844:
1841:
1838:
1836:
1833:
1832:
1830:
1829:
1828:Ornithischia
1827:
1821:indeterminant
1820:
1817:
1815:indeterminant
1814:
1811:
1810:
1808:
1803:
1802:
1798:
1797:
1796:
1793:
1788:
1787:
1783:
1781:
1778:
1776:
1775:
1771:
1769:
1766:
1765:
1763:
1762:
1760:
1757:
1756:
1748:
1745:
1744:
1742:
1737:
1736:
1732:
1731:
1730:
1727:
1726:
1724:
1717:
1714:
1713:
1712:
1711:
1710:Choristodera
1709:
1702:
1701:
1697:
1694:
1693:
1689:
1688:
1687:
1686:
1685:
1682:
1675:
1674:
1670:
1667:
1666:
1665:Dorsetisaurus
1662:
1661:
1659:
1656:
1655:
1653:
1647:
1644:
1642:
1641:
1637:
1636:
1634:
1633:
1631:
1628:
1627:
1621:
1620:
1616:
1613:
1612:
1611:
1608:
1601:
1600:
1596:
1595:
1593:
1590:
1588:indeterminant
1587:
1584:
1580:
1579:
1575:
1574:
1572:
1568:
1567:
1563:
1562:
1561:
1560:
1559:
1556:
1554:
1551:
1550:
1543:
1542:
1538:
1537:
1536:
1533:
1532:
1531:
1530:Sarcopterygii
1528:
1523:
1522:
1518:
1517:
1516:
1513:
1508:
1507:
1506:
1503:
1501:
1498:
1497:
1484:
1481:
1480:
1478:
1477:
1476:Ornithischia
1475:
1468:
1465:
1462:
1459:
1458:
1456:
1452:
1451:
1447:
1444:
1441:
1440:
1438:
1437:
1435:
1432:
1431:
1423:
1420:
1419:
1417:
1416:
1414:
1409:
1408:
1406:
1403:
1402:
1389:
1388:
1383:
1382:
1378:
1377:
1375:
1374:
1373:Ornithischia
1372:
1369:
1368:
1355:
1352:
1351:
1349:
1348:
1346:
1343:
1342:
1329:
1326:
1325:
1323:
1322:
1321:Ornithischia
1320:
1313:
1310:
1309:
1307:
1306:
1304:
1301:
1300:
1292:
1291:
1286:
1283:
1282:
1281:
1280:
1278:
1275:
1274:
1261:
1258:
1257:
1255:
1254:
1253:Ornithischia
1252:
1245:
1242:
1239:
1236:
1233:
1230:
1229:
1227:
1223:
1220:
1219:
1217:
1216:
1214:
1211:
1210:
1197:
1194:
1193:
1191:
1186:
1185:
1181:
1180:
1178:
1177:
1176:Ornithischia
1175:
1169:
1166:
1165:
1163:
1158:
1154:
1151:
1150:
1148:
1147:
1145:
1142:
1141:
1128:
1125:
1124:
1122:
1121:
1119:
1116:
1115:
1102:
1101:
1099:
1095:
1092:
1091:
1089:
1088:
1086:
1083:
1082:
1069:
1068:
1067:
1066:
1065:
1062:
1061:
1053:
1050:
1047:
1043:
1040:
1037:
1033:
1030:
1027:
1023:
1020:
1017:
1016:
1012:
1011:
1009:
1004:
1000:
997:
996:
994:
993:
991:
988:
987:
981:
979:
976:Excavated by
966:
964:
961:
960:
952:
949:
948:
946:
941:
940:
935:
934:
932:
931:
930:Ornithischia
929:
926:
925:
917:
914:
913:
911:
910:
908:
902:
899:
896:
895:
891:
890:
888:
887:
885:
882:
881:
880:
865:
864:
860:
859:
857:
856:
854:
851:
850:
843:
842:
838:
837:
836:
835:
834:
831:
828:
827:
814:
811:
810:
808:
807:
806:Ornithischia
805:
798:
795:
794:
792:
791:
789:
786:
785:
772:
769:
768:
766:
765:
763:
760:
759:
753:
752:
749:Excavated by
735:
734:
729:
726:
725:
724:
721:
720:
719:Ornithischia
718:
711:
708:
707:
705:
700:
697:
696:
694:
693:
691:
688:
687:
686:
684:
681:Excavated by
676:
667:
664:
663:
661:
660:
658:
655:
654:
642:
639:
638:
636:
635:
633:
630:
629:
617:
616:
612:
611:
610:
607:
606:
604:
601:
600:
587:
584:
583:
581:
580:
579:Ornithischia
578:
575:
574:
561:
560:
556:
555:
554:
551:
550:
549:
546:
543:
542:
524:
523:
519:
518:
517:
514:
513:
512:
509:
503:
502:
498:
497:
496:
495:
494:
491:
484:
483:
479:
478:
477:
474:
472:indeterminant
471:
467:
466:
465:
462:
456:
455:
451:
450:
448:
447:
446:
443:
440:
439:
438:
432:
423:
422:
418:
416:
415:
411:
410:
408:
407:
405:
402:
401:
398:AMNH Quarry 2
397:
388:
387:
383:
382:
381:
378:
377:
376:
373:
371:
368:
367:
364:AMNH Quarry 1
363:
361:
360:
353:AMNH Quarries
352:
350:
349:
341:
339:
336:
331:
329:
328:Robert Bakker
325:
320:
318:
315:
312:
308:
304:
300:
292:
287:
280:
278:
276:
272:
268:
267:
262:
257:
252:
251:are exposed.
250:
246:
242:
238:
234:
230:
226:
222:
218:
214:
205:
203:Added to NRHP
201:
198:
195:
188:
183:
146:
142:
138:
134:
130:
126:
105:
80:
70:
62:
57:
53:
49:
44:
37:
33:
27:
19:
18:Como, Wyoming
3503:
3408:Fossil Cabin
3398:Fort Halleck
3343:Bridger Pass
3264:
3160:
2951:
2833:
2809:
2800:
2795:237:147-159.
2790:
2781:
2765:
2760:
2751:
2735:
2730:
2721:
2712:
2703:
2694:
2679:
2659:
2655:
2630:
2625:
2619:
2613:
2609:
2606:Stegosauria
2598:
2592:
2586:
2580:
2574:
2570:
2567:Ornithopoda
2554:
2548:
2540:
2523:
2517:
2513:
2492:
2477:
2451:
2446:Stegosauria
2438:ornithopoda
2435:Ornithischia
2425:
2420:Camarasaurus
2419:
2407:
2401:
2396:
2390:
2369:
2327:
2323:
2320:Stegosauria
2307:
2303:
2277:
2249:
2241:
2233:
2225:
2219:
2211:
2203:
2188:
2182:
2178:
2174:
2168:
2164:
2160:
2152:
2146:
2140:
2133:
2125:
2121:Dryolestidae
2104:
2096:
2092:Tinodontidae
2081:
2059:
2053:
2047:
2041:
2033:
2018:
2010:
2001:Triconodonta
1990:
1983:
1975:
1969:
1963:
1955:
1951:Allodontidae
1935:
1929:
1923:
1917:
1909:
1905:Docodontidae
1885:nomen dubium
1884:
1878:
1870:Pterosauria
1860:
1855:Stegosauria
1846:Camptosaurus
1845:
1839:
1834:
1831:Ornithopoda
1819:Diplodocidae
1799:
1784:
1779:
1772:
1767:
1746:
1733:
1729:Sphenosuchia
1715:
1698:
1690:
1671:
1663:
1645:
1638:
1617:
1597:
1576:
1564:
1539:
1519:
1500:Osteichthyes
1482:
1479:Stegosauria
1466:
1461:Camarasaurus
1460:
1448:
1442:
1421:
1385:
1379:
1376:Ornithopoda
1353:
1327:
1324:Ornithopoda
1311:
1290:nomen dubium
1288:
1284:
1279:Pterosauria
1259:
1256:Stegosauria
1244:Camarasaurus
1243:
1237:
1231:
1221:
1195:
1192:Stegosauria
1182:
1179:Ornithopoda
1167:
1156:
1152:
1126:
1093:
1051:
1045:
1041:
1035:
1031:
1025:
1021:
1013:
1002:
998:
975:
950:
947:Stegosauria
939:Camptosaurus
937:
933:Ornithopoda
915:
900:
892:
878:
861:
839:
812:
809:Stegosauria
796:
770:
748:
731:
727:
710:Camarasaurus
709:
698:
683:Arthur Lakes
680:
666:Camarasaurus
665:
640:
613:
585:
582:Stegosauria
557:
548:Ornithischia
520:
499:
493:Choristodera
480:
452:
436:
421:Camarasaurus
419:
412:
384:
356:
345:
332:
321:
296:
291:Fossil Cabin
264:
253:
249:Mesozoic Era
221:Medicine Bow
212:
211:
136:Nearest city
26:
3095:Libby Lodge
2649:Saurischia
2614:Stegosaurus
2533:Saurischia
2507:Saurischia
2493:Goniopholis
2489:Mesosuchia
2486:Crocodylia
2471:Testudines
2384:Saurischia
2370:Goniopholis
2366:Mesosuchia
2363:Crocodylia
2355:Testudines
2297:Saurischia
2271:Saurischia
2116:Dryolestida
1861:Stegosaurus
1761:Saurischia
1747:Goniopholis
1743:Mesosuchia
1725:Crocodylia
1660:Lacertilia
1632:Testudines
1586:Pelobatidae
1483:Stegosaurus
1436:Saurischia
1422:Goniopholis
1418:Mesosuchia
1415:Crocodilia
1407:Testudines
1354:Goniopholis
1350:Mesosuchia
1347:Crocodylia
1305:Saurischia
1260:Stegosaurus
1232:Apatosaurus
1215:Saurischia
1196:Stegosaurus
1146:Saurischia
1127:Apatosaurus
1120:Saurischia
1087:Saurischia
992:Saurischia
951:Stegosaurus
916:Goniopholis
912:Mesosuchia
909:Crocodilia
886:Testudines
863:Apatosaurus
855:Saurischia
833:Pterosauria
813:Stegosaurus
790:Saurischia
764:Saurischia
723:Ornithopoda
692:Saurischia
659:Saurischia
634:Saurischia
605:Saurischia
586:Stegosaurus
559:Stegosaurus
553:Stegosauria
522:Goniopholis
406:Saurischia
169: /
156:106°03′51″W
144:Coordinates
3524:Categories
3423:Hotel Wolf
3305:Ryan Ranch
3265:Como Bluff
3015:Bath Ranch
2952:Como Bluff
2853:Como Bluff
2841:Como Bluff
2686:References
2652:Theropoda
2646:Dinosauria
2599:Dryosaurus
2555:Diplodocus
2536:Sauropoda
2510:Theropoda
2504:Dinosauria
2426:Diplodocus
2416:Sauropoda
2391:Allosaurus
2387:Theropoda
2381:Dinosauria
2300:Sauropoda
2294:Dinosauria
2274:Sauropoda
2268:Dinosauria
1840:Dryosaurus
1813:Macronaria
1809:Sauropoda
1764:Theropoda
1758:Dinosauria
1515:Amiiformes
1467:Diplodocus
1457:Sauropoda
1443:Allosaurus
1439:Theropoda
1433:Dinosauria
1370:Dinosauria
1312:Diplodocus
1308:Sauropoda
1302:Dinosauria
1238:Barosaurus
1228:Sauropoda
1218:Theropoda
1212:Dinosauria
1184:Dryosaurus
1164:Sauropoda
1157:Allosaurus
1149:Theropoda
1143:Dinosauria
1123:Sauropoda
1117:Dinosauria
1100:Sauropoda
1090:Theropoda
1084:Dinosauria
1052:Diplodocus
1010:Sauropoda
995:Theropoda
989:Dinosauria
927:Dinosauria
894:Dinochelys
858:Sauropoda
852:Dinosauria
797:Allosaurus
793:Theropoda
787:Dinosauria
771:Allosaurus
767:Theropoda
761:Dinosauria
733:Allosaurus
706:Sauropoda
699:Allosaurus
695:Theropoda
689:Dinosauria
662:Sauropoda
656:Dinosauria
637:Theropoda
631:Dinosauria
602:Dinosauria
576:Dinosauria
544:Dinosauria
516:Mesosuchia
511:Crocodilia
476:Lacertilia
445:Testudines
409:Sauropoda
403:Dinosauria
386:Diplodocus
375:Saurischia
370:Dinosauria
303:O.C. Marsh
239:, and the
217:Rock River
213:Como Bluff
177:Como Bluff
175: (
153:41°54′58″N
40:Como Bluff
3504:See also:
3255:Arlington
3161:See also:
2658:(h) (now
2612:(h) (now
2573:(h) (now
2520:holotype)
2326:(h) (now
2306:(h) (now
2179:Melanodon
2175:Laolestes
2169:goodrichi
2165:Melanodon
2161:Laolestes
1900:Docodonta
1883:(h) (now
1654:Squamata
1521:Ophiopsis
1384:(h) (now
1287:(h) (now
1155:(h) (now
1044:(h) (now
1034:(h) (now
1024:(h) (now
1001:(h) (now
730:(h) (now
609:Theropoda
380:Sauropoda
307:E.D. Cope
229:anticline
3115:Old Main
2942:Bath Row
2817:Archived
2671:See also
2468:Reptilia
2402:Coelurus
2352:Reptilia
2339:Mammalia
1896:Mammalia
1629:Reptilia
1592:Pipoidea
1553:Amphibia
1404:Reptilia
1344:Reptilia
1276:Reptilia
1063:Mammalia
963:Mammalia
883:Reptilia
829:Reptilia
464:Squamata
441:Reptilia
348:holotype
266:Coelurus
261:dinosaur
241:Cloverly
237:Morrison
233:Sundance
197:73001925
128:Location
1610:Caudata
225:Wyoming
2772:
2742:
1535:Dipnoi
470:Sauria
316:-1898
299:Ostrom
277:list.
245:fossil
235:, the
66:bluff.
2183:oweni
1558:Anura
335:Marsh
3509:and
3166:and
2770:ISBN
2740:ISBN
2616:sp.)
1159:sp.)
736:sp.)
289:The
219:and
3210:in
2897:in
2622:(h)
2601:sp.
2595:(h)
2589:(h)
2583:(h)
2557:sp.
2551:(h)
2545:sp.
2526:(h)
2495:sp.
2454:(h)
2428:sp.
2422:sp.
2404:sp.
2393:sp.
2372:sp.
2280:(h)
2254:(h)
2246:(h)
2238:(h)
2230:(h)
2222:(h)
2216:(h)
2208:(h)
2193:(h)
2185:(h)
2171:(h)
2157:(h)
2149:(h)
2143:(h)
2130:(h)
2101:(h)
2086:(h)
2064:(h)
2056:(h)
2050:(h)
2044:(h)
2038:(h)
2023:(h)
2015:(h)
1993:(h)
1986:(h)
1980:(h)
1972:(h)
1966:(h)
1960:(h)
1938:(h)
1932:(h)
1926:(h)
1920:(h)
1914:(h)
1863:sp.
1848:sp.
1842:sp.
1749:sp.
1738:(h)
1718:(h)
1703:(h)
1695:(h)
1676:sp.
1668:sp.
1622:(h)
1602:(h)
1524:sp.
1485:sp.
1469:sp.
1463:sp.
1445:sp.
1424:sp.
1356:sp.
1330:(h)
1314:sp.
1262:sp.
1246:sp.
1240:sp.
1234:sp.
1198:sp.
1187:sp.
1129:sp.
1054:sp.
1018:(h)
953:sp.
942:sp.
918:sp.
897:sp.
866:sp.
815:sp.
799:sp.
773:sp.
712:sp.
701:sp.
668:sp.
588:sp.
562:sp.
525:sp.
485:sp.
424:sp,
192:No.
3526::
2181:)
2167:)
1594:?
980:.
685:.
389:sp
223:,
3200:e
3193:t
3186:v
2887:e
2880:t
2873:v
2776:.
2746:.
2662:)
2577:)
2539:?
2330:)
2310:)
2177:(
2163:(
1989:?
1887:)
1804:?
1789:?
1390:)
1293:)
1048:)
1038:)
1028:)
1005:)
936:?
468:?
179:)
20:)
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