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Ichthyornithes

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disappeared and were replaced by other, though still somewhat similar, species of ichthyornitheans. The fact that ichthyornitheans appear to have existed virtually unchanged in their general size and anatomy for nearly the entire duration of the late Cretaceous period suggests that their evolutionary
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from Belgium are currently the only valid species of ichthyornitheans well-supported enough by distinctive fossil evidence to have received scientific names. However, isolated remains of other ichthyornithean species have been identified. For example, three isolated shoulder bone specimens (RSM
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that bisected North America for much of the Cretaceous. It may be that while the flightless, aquatic hesperornitheans were much more sensitive to changes in shoreline extent and sea level during that time, driving their evolution and adaptation into more specialized forms, the flying, tern-like
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G. Mayr, V. L. De Pietri, L. Love, A. Mannering, and R. P. Scofield. 2019. Oldest, smallest, and phylogenetically most basal pelagornithid, from the early Paleocene of New Zealand, sheds light on the evolutionary history of the largest flying birds. Papers in
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itself had a very long temporal range, and specimens referred to it or very similar species existed relatively unchanged (other than some fluctuations in average adult size) for nearly 10 million years, when species referable to
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below is the result of a 2014 analysis by Michael Lee and colleagues that expanded on data from an earlier study by O’Connor & Zhou in 2012, showing the relationship of
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Tokaryk, T.T.; Cumbaa, S.L.; Storer, J.E. (1997). "Early Late Cretaceous birds from Saskatchewan, Canada: the oldest diverse avifauna known from North America".
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ichthyornitheans were not as dependent on specific coastal or sea-level conditions, and they were able to inhabit basically the same
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pace was in relative stasis compared to other, contemporary species of closely related avialans, like the
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endocast reveals that it had a relatively "primitive" brain compared to modern birds, similar to that of
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The earliest known ichthyornitheans appear in the fossil record about 95 million years ago, during the
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and other non-avian theropods. Conversely, it had a palate remarkably convergent with that of modern
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very close (within 300,000 years at least) of the K-Pg boundary, dated to 66 million years old.
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An Ichthyornis-like bird from the earliest Late Cretaceous (Cenomanian) of European Russia
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that caused the extinction of many major land and marine animal groups at the end of the
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notes some "striking" similarities between the jaw structure of ichthyornitheans and
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to other ornithurines. The clade names are positioned based on their definitions.
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for a very long period. The icthyornithean lineage finally became extinct in the
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Benito, J.; Kuo, P.-C.; Widrig, K. E.; Jagt, J. W. M.; Field, D. J. (2022).
372:. Based on fragmentary fossil remains, the two known species present in the 4181: 4043: 3770: 3644: 3637: 3576: 3494: 3227: 3106: 3018: 2967: 2937: 2886: 2826: 2644: 2497: 2482: 2467: 2401: 2289: 2241: 2153: 2043: 1898: 1858: 1837: 1830: 1810: 1803: 1796: 1743: 1728: 1664: 1621: 1582: 1452: 1431: 1362: 1340: 1096: 1034: 1016: 975: 808: 573: 429: 408: 494:, were members of the Ichthyornithes in addition to the group's namesake, 4240: 4006: 3916: 3851: 3592: 3542: 3473: 3425: 3250: 3196: 3144: 3091: 2977: 2947: 2866: 2630: 2380: 2370: 2033: 1872: 1637: 1596: 1567: 1560: 1528: 1438: 1372: 1312: 1299: 1258: 1137: 1069:
Lee, Michael SY; Cau, Andrea; Darren, Naish; Gareth J., Dyke (May 2014).
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Nikita V. Zelenkov, Alexander O. Averianov & Evgeny V. Popov (2017)
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Torres, Christopher R.; Norell, Mark A.; Clarke, Julia A. (2021).
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Ichthyornitheans were close to the ancestry of modern birds, the
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Longrich, N.R.; Tokaryk, T.; Field, D.J. (13 September 2011).
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have been identified as all belonging to a single species of
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Ichthyornithes, which in that paper was defined according to
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have not been given names, but overall were very similar to
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10.1206/0003-0090(2004)286<0001:MPTASO>2.0.CO;2
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very closely related to the common ancestor of all modern
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66 million years ago. Another unnamed species similar to
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as all descendants of the most recent common ancestor of
839:"Morphology, phylogenetic taxonomy, and systematics of 1068: 3966: 3927: 3883: 3867: 3857: 3847: 3618: 3564: 3443: 3413: 3398: 3388: 3378: 3368: 3358: 3348: 3338: 3328: 3317: 3262: 3207: 3156: 3117: 3079: 3049: 3034: 3024: 3014: 3003: 2993: 2983: 2973: 2963: 2953: 2943: 2933: 2923: 2913: 2903: 2893: 2882: 2872: 2862: 2852: 2842: 2832: 2822: 2812: 2802: 2792: 2664: 2618: 2574: 2543: 2526: 2455: 2439: 2428: 2417: 2407: 2397: 2386: 2376: 2366: 2355: 2344: 2334: 2286: 2260: 2214: 2120: 2075: 2060: 2050: 2039: 2029: 1907: 1712: 1385: 1368: 1358: 1347: 1336: 1325: 929: 704: 679: 652: 411:. The last ichthyornithean fossils are found in the 279: 269: 897: 782: 998: 925: 923: 921: 893: 891: 854:Bulletin of the American Museum of Natural History 336:period of North America, though only two genera, 4275: 936:Proceedings of the National Academy of Sciences 918: 888: 552:P2992.1, UCMP 187207, AMNH 22002) found in the 1203: 1122: 612:. Though originally thought to be species of 836: 832: 830: 828: 826: 778: 776: 1310: 1129: 1115: 107: 2773: 1086: 1062: 1024: 965: 955: 823: 773: 592:is known from isolated remains found in 359: 124:Rocky Mountain Dinosaur Resource Center 4276: 2010: 4207: 4206: 3710: 3709: 2760: 1997: 1297: 1148: 1110: 586:Cretaceous-Paleogene extinction event 405:Cretaceous–Paleogene extinction event 504:. In Julia Clarke's 2004 review of 4299:Taxa named by Othniel Charles Marsh 13: 900:Journal of Vertebrate Paleontology 332:remains found throughout the late 14: 4310: 584:age, within 300,000 years of the 458: 4187: 4186: 4132: 4126: 3692: 3687: 2743: 2736: 2729: 1980: 1974: 1968: 619: 522:were considered synonyms of the 134: 39: 1298: 1136: 317:is an extinct group of toothed 2761: 1041: 992: 982: 912:10.1080/02724634.1997.10010961 1: 766: 350:Cretaceous–Paleogene boundary 4289:Cenomanian first appearances 7: 1998: 10: 4315: 801:10.1038/s41586-022-05445-y 610:Carrot River, Saskatchewan 537: 508:-like fossils, the former 16:Extinct clade of dinosaurs 4294:Maastrichtian extinctions 4215: 4146: 4124: 3965: 3926: 3882: 3843: 3832: 3801: 3778: 3769: 3754: 3745: 3722: 3718: 3705: 3685: 3655: 3617: 3563: 3511: 3454: 3442: 3412: 3313: 3302: 3261: 3206: 3155: 3116: 3078: 3048: 2788: 2784: 2769: 2756: 2727: 2689: 2663: 2654: 2617: 2573: 2542: 2522: 2511: 2454: 2330: 2326: 2315: 2285: 2259: 2213: 2119: 2074: 2025: 2021: 2006: 1993: 1966: 1932: 1906: 1897: 1820: 1777: 1768: 1723: 1711: 1707: 1654: 1620: 1548: 1539: 1479: 1470: 1397: 1383: 1321: 1306: 1293: 1257: 1239: 1230: 1212: 1199: 1144: 722: 702: 695: 677: 670: 650: 643: 302: 295: 266: 261: 131:Scientific classification 129: 115: 106: 23: 957:10.1073/pnas.1110395108 545:from North America and 396:Western Interior Seaway 1017:10.1126/sciadv.abg7099 847:(Avialae: Ornithurae)" 328:. They are known from 4256:Paleobiology Database 1866:Paralitherizinosaurus 1088:10.1093/sysbio/syt110 837:Clarke, J.A. (2004). 528:phylogenetic taxonomy 418:The study describing 554:Hell Creek Formation 413:Hell Creek Formation 360:Origin and evolution 304:Ichthyornithiformes 3083:Patagopterygiformes 2578:Confuciusornithidae 2444:Scansoriopterygidae 2079:Scansoriopterygidae 1053:Cretaceous Research 948:2011PNAS..10815253L 942:(37): 15253–15257. 570:Frenchman Formation 513:Ichthyornithiformes 3211:Songlingornithidae 3160:Hongshanornithidae 2547:Omnivoropterygidae 2459:Jeholornithiformes 1770:Therizinosauroidea 1075:Systematic Biology 606:Ashville Formation 548:Janavis finalidens 543:Ichthyornis dispar 534:and modern birds. 532:Ichthyornis dispar 502:Ichthyornis dispar 378:Ichthyornis dispar 374:Ashville Formation 119:Ichthyornis dispar 4271: 4270: 4209:Taxon identifiers 4200: 4199: 4142: 4141: 4122: 4121: 4118: 4117: 4022:Lutetodontopteris 3931:Gastornithiformes 3828: 3827: 3824: 3823: 3712:Aves / Neornithes 3701: 3700: 3683: 3682: 3679: 3678: 3675: 3674: 3657:Aves / Neornithes 3559: 3558: 3298: 3297: 3190:Parahongshanornis 2752: 2751: 2725: 2724: 2721: 2720: 2717: 2716: 2713: 2712: 2709: 2708: 2507: 2506: 2433:Archaeopterygidae 2311: 2310: 2218:Archaeopterygidae 1989: 1988: 1964: 1963: 1960: 1959: 1956: 1955: 1952: 1951: 1893: 1892: 1889: 1888: 1822:Therizinosauridae 1703: 1702: 1699: 1698: 1695: 1694: 1289: 1288: 1285: 1284: 1281: 1280: 1277: 1276: 1189:Maniraptoriformes 795:(7938): 100–105. 763: 762: 754: 753: 745: 744: 736: 735: 312: 311: 307: 257: 4306: 4264: 4263: 4251: 4250: 4249: 4236: 4235: 4234: 4204: 4203: 4190: 4189: 4162:Deinonychosauria 4137: 4136: 4130: 4087:Protodontopteryx 4029:Macrodontopteryx 3968: 3929: 3885: 3869: 3859: 3849: 3841: 3840: 3776: 3775: 3752: 3751: 3720: 3719: 3707: 3706: 3696: 3691: 3622:Cimolopterygidae 3620: 3566: 3513:Hesperornithidae 3452: 3451: 3445: 3415: 3400: 3390: 3380: 3370: 3360: 3350: 3340: 3330: 3319: 3311: 3310: 3264: 3209: 3158: 3119: 3081: 3051: 3036: 3026: 3016: 3005: 2995: 2985: 2975: 2965: 2955: 2945: 2935: 2925: 2915: 2905: 2895: 2884: 2874: 2864: 2854: 2844: 2834: 2824: 2814: 2804: 2794: 2786: 2785: 2782: 2781: 2771: 2770: 2758: 2757: 2747: 2741: 2740: 2733: 2666: 2661: 2660: 2622:Jinguofortisidae 2620: 2601:Eoconfuciusornis 2576: 2545: 2528: 2520: 2519: 2457: 2441: 2430: 2419: 2409: 2399: 2388: 2378: 2368: 2357: 2346: 2336: 2328: 2327: 2324: 2323: 2288: 2262: 2216: 2122: 2077: 2062: 2052: 2041: 2031: 2023: 2022: 2019: 2018: 2008: 2007: 1995: 1994: 1984: 1978: 1972: 1922:Oviraptorosauria 1911:Oviraptorosauria 1909: 1904: 1903: 1845:Nanshiungosaurus 1775: 1774: 1752:Jianchangosaurus 1721: 1720: 1714: 1709: 1708: 1546: 1545: 1477: 1476: 1395: 1394: 1389:Alvarezsauroidea 1387: 1370: 1360: 1349: 1338: 1327: 1319: 1318: 1308: 1307: 1295: 1294: 1237: 1236: 1210: 1209: 1201: 1200: 1194: 1193: 1146: 1145: 1131: 1124: 1117: 1108: 1107: 1101: 1100: 1090: 1066: 1060: 1045: 1039: 1038: 1028: 1005:Science Advances 996: 990: 986: 980: 979: 969: 959: 927: 916: 915: 895: 886: 885: 851: 834: 821: 820: 780: 706: 698: 697: 681: 673: 672: 654: 646: 645: 636: 635: 596:-age rocks from 520:Ichthyornithidae 421:Protodontopteryx 401:ecological niche 392:hesperornitheans 354:enantiornitheans 306:Furbringer, 1888 305: 281: 271: 252: 247: 139: 138: 111: 101: 38: 27:Temporal range: 24:Ichthyornitheans 21: 20: 4314: 4313: 4309: 4308: 4307: 4305: 4304: 4303: 4274: 4273: 4272: 4267: 4259: 4254: 4245: 4244: 4239: 4230: 4229: 4224: 4211: 4201: 4196: 4138: 4131: 4114: 4109:Tympanonesiotes 4102:Pseudodontornis 4065:Palaeochenoides 3986:Caspiodontornis 3970:Pelagornithidae 3961: 3922: 3878: 3820: 3797: 3765: 3741: 3714: 3697: 3671: 3651: 3613: 3555: 3550:Parahesperornis 3522:Asiahesperornis 3507: 3438: 3408: 3307: 3294: 3257: 3202: 3169:Archaeornithura 3151: 3112: 3074: 3044: 2797:Archaeorhynchus 2778: 2765: 2748: 2735: 2705: 2685: 2656:Ornithothoraces 2650: 2613: 2587:Changchengornis 2569: 2538: 2516: 2503: 2450: 2422:Anchiornithidae 2320: 2307: 2281: 2275:Dromaeosauridae 2264:Dromaeosauridae 2255: 2249:Anchiornithidae 2209: 2168:Liaoningvenator 2124:Anchiornithidae 2115: 2103:Scansoriopteryx 2070: 2015: 2002: 1985: 1948: 1928: 1885: 1880:Therizinosaurus 1816: 1764: 1759:Lingyuanosaurus 1716:Therizinosauria 1691: 1650: 1616: 1541:Parvicursorinae 1535: 1472:Alvarezsauridae 1466: 1391: 1379: 1315: 1302: 1273: 1253: 1226: 1220:Avemetatarsalia 1205:Avemetatarsalia 1195: 1151: 1150: 1140: 1135: 1105: 1104: 1067: 1063: 1046: 1042: 997: 993: 987: 983: 928: 919: 896: 889: 849: 835: 824: 781: 774: 769: 764: 755: 746: 737: 727:(modern birds) 622: 562:Lance Formation 540: 461: 370:Late Cretaceous 362: 251: 245: 133: 102: 100: 99: 94: 89: 84: 79: 74: 69: 64: 59: 54: 49: 44: 33: 32: 29:Late Cretaceous 25: 17: 12: 11: 5: 4312: 4302: 4301: 4296: 4291: 4286: 4269: 4268: 4266: 4265: 4252: 4247:Ichthyornithes 4237: 4221: 4219: 4217:Ichthyornithes 4213: 4212: 4198: 4197: 4195: 4194: 4184: 4179: 4174: 4169: 4164: 4159: 4154: 4152:Archaeornithes 4147: 4144: 4143: 4140: 4139: 4125: 4123: 4120: 4119: 4116: 4115: 4113: 4112: 4105: 4098: 4094:Protopelicanus 4090: 4083: 4075: 4068: 4061: 4058:Osteodontornis 4054: 4047: 4040: 4032: 4025: 4018: 4010: 4003: 3996: 3989: 3982: 3974: 3972: 3963: 3962: 3960: 3959: 3955:Dromornithidae 3951: 3944: 3935: 3933: 3924: 3923: 3921: 3920: 3913: 3906: 3899: 3891: 3889: 3887:Dromornithidae 3880: 3879: 3877: 3876: 3865: 3862:Perplexicervix 3855: 3844: 3838: 3835:Incertae sedis 3830: 3829: 3826: 3825: 3822: 3821: 3819: 3818: 3817: 3816: 3814:Pangalliformes 3807: 3805: 3803:Pangalliformes 3799: 3798: 3796: 3795: 3794: 3793: 3784: 3782: 3773: 3767: 3766: 3764: 3763: 3755: 3749: 3743: 3742: 3740: 3739: 3738: 3737: 3728: 3726: 3716: 3715: 3703: 3702: 3699: 3698: 3686: 3684: 3681: 3680: 3677: 3676: 3673: 3672: 3670: 3669: 3668: 3667: 3661: 3659: 3653: 3652: 3650: 3649: 3641: 3634: 3626: 3624: 3615: 3614: 3612: 3611: 3604: 3597: 3589: 3581: 3572: 3570: 3561: 3560: 3557: 3556: 3554: 3553: 3546: 3539: 3532: 3525: 3517: 3515: 3509: 3508: 3506: 3505: 3498: 3491: 3484: 3477: 3470: 3463: 3455: 3449: 3447:Hesperornithes 3440: 3439: 3437: 3436: 3429: 3421: 3419: 3417:Ichthyornithes 3410: 3409: 3407: 3406: 3396: 3386: 3376: 3366: 3356: 3346: 3336: 3326: 3314: 3308: 3303: 3300: 3299: 3296: 3295: 3293: 3292: 3285: 3282:Similiyanornis 3278: 3270: 3268: 3259: 3258: 3256: 3255: 3247: 3239: 3232: 3224: 3215: 3213: 3204: 3203: 3201: 3200: 3193: 3186: 3179: 3172: 3164: 3162: 3153: 3152: 3150: 3149: 3141: 3133: 3125: 3123: 3121:Ambiortiformes 3114: 3113: 3111: 3110: 3103: 3095: 3087: 3085: 3076: 3075: 3073: 3072: 3065: 3057: 3055: 3046: 3045: 3043: 3042: 3039:Zhongjianornis 3032: 3022: 3012: 3001: 2991: 2981: 2971: 2961: 2951: 2941: 2931: 2928:Jianchangornis 2921: 2911: 2901: 2891: 2880: 2870: 2860: 2850: 2840: 2830: 2820: 2810: 2800: 2789: 2779: 2774: 2767: 2766: 2754: 2753: 2750: 2749: 2728: 2726: 2723: 2722: 2719: 2718: 2715: 2714: 2711: 2710: 2707: 2706: 2704: 2703: 2702: 2701: 2695: 2693: 2687: 2686: 2684: 2683: 2682: 2681: 2679:Enantiornithes 2672: 2670: 2668:Enantiornithes 2658: 2652: 2651: 2649: 2648: 2641: 2634: 2626: 2624: 2615: 2614: 2612: 2611: 2604: 2597: 2594:Confuciusornis 2590: 2582: 2580: 2571: 2570: 2568: 2567: 2560: 2557:Omnivoropteryx 2552: 2550: 2540: 2539: 2537: 2536: 2523: 2517: 2512: 2509: 2508: 2505: 2504: 2502: 2501: 2494: 2487: 2479: 2472: 2463: 2461: 2452: 2451: 2449: 2448: 2437: 2426: 2415: 2405: 2395: 2384: 2374: 2364: 2353: 2342: 2331: 2321: 2316: 2313: 2312: 2309: 2308: 2306: 2305: 2304: 2303: 2294: 2292: 2283: 2282: 2280: 2279: 2278: 2277: 2268: 2266: 2257: 2256: 2254: 2253: 2245: 2238: 2231: 2222: 2220: 2211: 2210: 2208: 2207: 2200: 2193: 2186: 2179: 2172: 2164: 2157: 2150: 2143: 2136: 2128: 2126: 2117: 2116: 2114: 2113: 2106: 2099: 2092: 2084: 2082: 2072: 2071: 2069: 2068: 2058: 2055:Pneumatoraptor 2048: 2037: 2026: 2016: 2011: 2004: 2003: 1991: 1990: 1987: 1986: 1967: 1965: 1962: 1961: 1958: 1957: 1954: 1953: 1950: 1949: 1947: 1946: 1945: 1944: 1938: 1936: 1930: 1929: 1927: 1926: 1925: 1924: 1915: 1913: 1901: 1895: 1894: 1891: 1890: 1887: 1886: 1884: 1883: 1876: 1869: 1862: 1855: 1852:Neimongosaurus 1848: 1841: 1834: 1826: 1824: 1818: 1817: 1815: 1814: 1807: 1800: 1793: 1786: 1778: 1772: 1766: 1765: 1763: 1762: 1755: 1748: 1740: 1733: 1724: 1718: 1705: 1704: 1701: 1700: 1697: 1696: 1693: 1692: 1690: 1689: 1682: 1675: 1668: 1660: 1658: 1652: 1651: 1649: 1648: 1641: 1634: 1626: 1624: 1618: 1617: 1615: 1614: 1611:Trierarchuncus 1607: 1600: 1593: 1586: 1579: 1571: 1564: 1557: 1549: 1543: 1537: 1536: 1534: 1533: 1525: 1518: 1511: 1507:Bonapartenykus 1503: 1496: 1489: 1480: 1474: 1468: 1467: 1465: 1464: 1457: 1449: 1446:Shishugounykus 1442: 1435: 1428: 1425:Bonapartenykus 1421: 1414: 1406: 1398: 1392: 1384: 1381: 1380: 1378: 1377: 1366: 1356: 1345: 1334: 1322: 1316: 1311: 1304: 1303: 1291: 1290: 1287: 1286: 1283: 1282: 1279: 1278: 1275: 1274: 1272: 1271: 1270: 1269: 1263: 1261: 1255: 1254: 1252: 1251: 1250: 1249: 1240: 1234: 1228: 1227: 1225: 1224: 1223: 1222: 1213: 1207: 1197: 1196: 1192: 1191: 1182: 1173: 1164: 1158: 1142: 1141: 1134: 1133: 1126: 1119: 1111: 1103: 1102: 1081:(3): 442–449. 1061: 1040: 991: 981: 917: 906:(1): 172–176. 887: 822: 771: 770: 768: 765: 761: 760: 757: 756: 752: 751: 748: 747: 743: 742: 739: 738: 734: 733: 730: 729: 721: 718: 717: 714: 713: 701: 696: 694: 691: 690: 687: 686: 683:Hesperornithes 676: 671: 669: 666: 665: 662: 661: 649: 644: 642: 634: 621: 618: 539: 536: 460: 459:Classification 457: 439:A study on an 426:pelagornithids 361: 358: 315:Ichthyornithes 310: 309: 300: 299: 293: 292: 288: 287: 277: 264: 263: 259: 258: 249:Ichthyornithes 243: 236: 235: 230: 223: 222: 217: 210: 209: 204: 197: 196: 191: 184: 183: 178: 171: 170: 165: 161: 160: 155: 151: 150: 145: 141: 140: 127: 126: 113: 112: 104: 103: 95: 90: 85: 80: 75: 70: 65: 60: 55: 50: 45: 40: 26: 15: 9: 6: 4: 3: 2: 4311: 4300: 4297: 4295: 4292: 4290: 4287: 4285: 4282: 4281: 4279: 4262: 4257: 4253: 4248: 4242: 4238: 4233: 4227: 4223: 4222: 4220: 4218: 4214: 4210: 4205: 4193: 4185: 4183: 4180: 4178: 4175: 4173: 4172:Odontornithes 4170: 4168: 4167:Odontognathae 4165: 4163: 4160: 4158: 4155: 4153: 4149: 4148: 4145: 4135: 4129: 4111: 4110: 4106: 4104: 4103: 4099: 4096: 4095: 4091: 4089: 4088: 4084: 4081: 4080: 4076: 4074: 4073: 4069: 4067: 4066: 4062: 4060: 4059: 4055: 4053: 4052: 4048: 4046: 4045: 4041: 4038: 4037: 4033: 4031: 4030: 4026: 4024: 4023: 4019: 4016: 4015: 4011: 4009: 4008: 4004: 4002: 4001: 3997: 3995: 3994: 3990: 3988: 3987: 3983: 3981: 3980: 3976: 3975: 3973: 3971: 3964: 3957: 3956: 3952: 3950: 3949: 3945: 3942: 3941: 3937: 3936: 3934: 3932: 3925: 3919: 3918: 3914: 3912: 3911: 3907: 3905: 3904: 3900: 3898: 3897: 3896:Barawertornis 3893: 3892: 3890: 3888: 3881: 3874: 3873: 3866: 3864: 3863: 3856: 3854: 3853: 3846: 3845: 3842: 3839: 3837: 3836: 3831: 3815: 3811: 3810: 3809: 3808: 3806: 3804: 3800: 3792: 3791:Anserimorphae 3788: 3787: 3786: 3785: 3783: 3781: 3780:Anserimorphae 3777: 3774: 3772: 3768: 3762: 3761: 3757: 3756: 3753: 3750: 3748: 3744: 3736: 3735:Palaeognathae 3732: 3731: 3730: 3729: 3727: 3725: 3724:Palaeognathae 3721: 3717: 3713: 3708: 3704: 3695: 3690: 3665: 3664: 3663: 3662: 3660: 3658: 3654: 3647: 3646: 3642: 3640: 3639: 3635: 3633: 3632: 3628: 3627: 3625: 3623: 3616: 3610: 3609: 3605: 3603: 3602: 3598: 3595: 3594: 3590: 3587: 3586: 3582: 3579: 3578: 3574: 3573: 3571: 3569: 3562: 3552: 3551: 3547: 3545: 3544: 3540: 3538: 3537: 3533: 3531: 3530: 3526: 3524: 3523: 3519: 3518: 3516: 3514: 3510: 3504: 3503: 3499: 3497: 3496: 3492: 3490: 3489: 3485: 3483: 3482: 3478: 3476: 3475: 3471: 3469: 3468: 3464: 3462: 3461: 3457: 3456: 3453: 3450: 3448: 3441: 3435: 3434: 3430: 3428: 3427: 3423: 3422: 3420: 3418: 3411: 3405: 3404: 3403:Tingmiatornis 3397: 3395: 3394: 3387: 3385: 3384: 3377: 3375: 3374: 3367: 3365: 3364: 3357: 3355: 3354: 3347: 3345: 3344: 3337: 3335: 3334: 3327: 3324: 3323: 3322:Antarcticavis 3316: 3315: 3312: 3309: 3306: 3301: 3291: 3290: 3286: 3284: 3283: 3279: 3277: 3276: 3272: 3271: 3269: 3267: 3266:Yanornithidae 3260: 3253: 3252: 3248: 3245: 3244: 3240: 3238: 3237: 3236:Songlingornis 3233: 3230: 3229: 3225: 3222: 3221: 3217: 3216: 3214: 3212: 3205: 3199: 3198: 3194: 3192: 3191: 3187: 3185: 3184: 3183:Longicrusavis 3180: 3178: 3177: 3176:Hongshanornis 3173: 3171: 3170: 3166: 3165: 3163: 3161: 3154: 3147: 3146: 3142: 3139: 3138: 3134: 3132: 3131: 3127: 3126: 3124: 3122: 3115: 3109: 3108: 3104: 3101: 3100: 3096: 3094: 3093: 3089: 3088: 3086: 3084: 3077: 3071: 3070: 3066: 3064: 3063: 3062:Mengciusornis 3059: 3058: 3056: 3054: 3053:Schizoouridae 3047: 3041: 3040: 3033: 3031: 3030: 3023: 3021: 3020: 3013: 3010: 3009: 3002: 3000: 2999: 2992: 2990: 2989: 2982: 2980: 2979: 2972: 2970: 2969: 2962: 2960: 2959: 2952: 2950: 2949: 2942: 2940: 2939: 2932: 2930: 2929: 2922: 2920: 2919: 2912: 2910: 2909: 2902: 2900: 2899: 2892: 2889: 2888: 2881: 2879: 2878: 2871: 2869: 2868: 2861: 2859: 2858: 2851: 2849: 2848: 2841: 2839: 2838: 2837:Changzuiornis 2831: 2829: 2828: 2821: 2819: 2818: 2817:Brevidentavis 2811: 2809: 2808: 2801: 2799: 2798: 2791: 2790: 2787: 2783: 2780: 2777: 2772: 2768: 2764: 2759: 2755: 2746: 2742: 2739: 2732: 2699: 2698: 2697: 2696: 2694: 2692: 2688: 2680: 2676: 2675: 2674: 2673: 2671: 2669: 2662: 2659: 2657: 2653: 2647: 2646: 2642: 2640: 2639: 2635: 2633: 2632: 2628: 2627: 2625: 2623: 2616: 2610: 2609: 2605: 2603: 2602: 2598: 2596: 2595: 2591: 2589: 2588: 2584: 2583: 2581: 2579: 2572: 2566: 2565: 2561: 2559: 2558: 2554: 2553: 2551: 2548: 2541: 2535: 2533: 2525: 2524: 2521: 2518: 2515: 2510: 2500: 2499: 2495: 2493: 2492: 2488: 2485: 2484: 2480: 2478: 2477: 2473: 2470: 2469: 2465: 2464: 2462: 2460: 2453: 2446: 2445: 2438: 2435: 2434: 2427: 2424: 2423: 2416: 2414: 2413: 2406: 2404: 2403: 2396: 2393: 2392: 2385: 2383: 2382: 2375: 2373: 2372: 2365: 2362: 2361: 2360:Cretaaviculus 2354: 2351: 2350: 2343: 2341: 2340: 2333: 2332: 2329: 2325: 2322: 2319: 2314: 2302: 2298: 2297: 2296: 2295: 2293: 2291: 2284: 2276: 2272: 2271: 2270: 2269: 2267: 2265: 2258: 2251: 2250: 2246: 2244: 2243: 2239: 2237: 2236: 2235:Archaeopteryx 2232: 2229: 2228: 2224: 2223: 2221: 2219: 2212: 2206: 2205: 2204:Yixianosaurus 2201: 2199: 2198: 2194: 2192: 2191: 2187: 2185: 2184: 2180: 2178: 2177: 2173: 2170: 2169: 2165: 2163: 2162: 2161:Fujianvenator 2158: 2156: 2155: 2151: 2149: 2148: 2144: 2142: 2141: 2137: 2135: 2134: 2130: 2129: 2127: 2125: 2118: 2112: 2111: 2107: 2105: 2104: 2100: 2098: 2097: 2096:Epidexipteryx 2093: 2091: 2090: 2086: 2085: 2083: 2080: 2073: 2067: 2066: 2059: 2057: 2056: 2049: 2046: 2045: 2038: 2036: 2035: 2028: 2027: 2024: 2020: 2017: 2014: 2009: 2005: 2001: 1996: 1992: 1983: 1979: 1977: 1971: 1942: 1941: 1940: 1939: 1937: 1935: 1931: 1923: 1919: 1918: 1917: 1916: 1914: 1912: 1905: 1902: 1900: 1896: 1882: 1881: 1877: 1875: 1874: 1870: 1868: 1867: 1863: 1861: 1860: 1856: 1854: 1853: 1849: 1847: 1846: 1842: 1840: 1839: 1835: 1833: 1832: 1828: 1827: 1825: 1823: 1819: 1813: 1812: 1808: 1806: 1805: 1801: 1799: 1798: 1794: 1792: 1791: 1790:Beipiaosaurus 1787: 1785: 1784: 1780: 1779: 1776: 1773: 1771: 1767: 1761: 1760: 1756: 1754: 1753: 1749: 1746: 1745: 1741: 1739: 1738: 1734: 1731: 1730: 1726: 1725: 1722: 1719: 1717: 1710: 1706: 1688: 1687: 1683: 1681: 1680: 1676: 1674: 1673: 1669: 1667: 1666: 1662: 1661: 1659: 1657: 1653: 1647: 1646: 1642: 1640: 1639: 1635: 1633: 1632: 1628: 1627: 1625: 1623: 1619: 1613: 1612: 1608: 1606: 1605: 1601: 1599: 1598: 1594: 1592: 1591: 1587: 1585: 1584: 1580: 1577: 1576: 1572: 1570: 1569: 1565: 1563: 1562: 1558: 1556: 1555: 1551: 1550: 1547: 1544: 1542: 1538: 1531: 1530: 1526: 1524: 1523: 1522:Heptasteornis 1519: 1517: 1516: 1512: 1509: 1508: 1504: 1502: 1501: 1500:Alvarezsaurus 1497: 1495: 1494: 1490: 1487: 1486: 1485:Achillesaurus 1482: 1481: 1478: 1475: 1473: 1469: 1463: 1462: 1458: 1455: 1454: 1450: 1448: 1447: 1443: 1441: 1440: 1436: 1434: 1433: 1429: 1427: 1426: 1422: 1420: 1419: 1415: 1412: 1411: 1407: 1405: 1404: 1403:Achillesaurus 1400: 1399: 1396: 1393: 1390: 1382: 1375: 1374: 1367: 1365: 1364: 1357: 1354: 1353: 1346: 1343: 1342: 1335: 1332: 1331: 1324: 1323: 1320: 1317: 1314: 1309: 1305: 1301: 1296: 1292: 1267: 1266: 1265: 1264: 1262: 1260: 1256: 1248: 1244: 1243: 1242: 1241: 1238: 1235: 1233: 1229: 1221: 1217: 1216: 1215: 1214: 1211: 1208: 1206: 1202: 1198: 1190: 1186: 1183: 1181: 1177: 1174: 1172: 1168: 1165: 1163: 1159: 1157: 1153: 1152: 1147: 1143: 1139: 1132: 1127: 1125: 1120: 1118: 1113: 1112: 1109: 1098: 1094: 1089: 1084: 1080: 1076: 1072: 1065: 1058: 1054: 1050: 1044: 1036: 1032: 1027: 1022: 1018: 1014: 1010: 1006: 1002: 995: 989:Palaeontology 985: 977: 973: 968: 963: 958: 953: 949: 945: 941: 937: 933: 926: 924: 922: 913: 909: 905: 901: 894: 892: 883: 879: 875: 871: 867: 863: 859: 855: 848: 846: 842: 833: 831: 829: 827: 818: 814: 810: 806: 802: 798: 794: 790: 786: 779: 777: 772: 759: 758: 750: 749: 741: 740: 732: 731: 728: 726: 720: 719: 716: 715: 712: 711: 710: 700: 699: 693: 692: 689: 688: 685: 684: 675: 674: 668: 667: 664: 663: 660: 659: 658: 648: 647: 641: 638: 637: 633: 631: 627: 620:Relationships 617: 615: 611: 607: 603: 599: 595: 591: 587: 583: 582:Maastrichtian 579: 575: 571: 567: 563: 559: 555: 550: 549: 544: 535: 533: 529: 525: 521: 518: 514: 511: 507: 503: 499: 498: 493: 492: 487: 486: 481: 480: 475: 474: 469: 466: 456: 454: 450: 449: 448:Archaeopteryx 444: 443: 437: 435: 431: 427: 423: 422: 416: 414: 410: 406: 402: 397: 393: 388: 383: 379: 375: 371: 367: 357: 355: 352:, along with 351: 347: 346: 341: 340: 335: 331: 327: 323: 320: 316: 308: 301: 298: 294: 291: 290:And see text 286: 285: 278: 276: 275: 268: 267: 265: 260: 255: 250: 244: 241: 238: 237: 234: 231: 228: 225: 224: 221: 218: 215: 212: 211: 208: 205: 202: 199: 198: 195: 192: 189: 186: 185: 182: 179: 176: 173: 172: 169: 166: 163: 162: 159: 156: 153: 152: 149: 146: 143: 142: 137: 132: 128: 125: 121: 120: 114: 110: 105: 98: 93: 88: 83: 78: 73: 68: 63: 58: 53: 48: 43: 37: 30: 22: 19: 4284:Euornitheans 4216: 4182:Unenlagiidae 4107: 4100: 4092: 4085: 4077: 4070: 4063: 4056: 4049: 4044:Odontopteryx 4042: 4034: 4027: 4020: 4012: 4005: 3998: 3991: 3984: 3977: 3953: 3946: 3938: 3915: 3908: 3901: 3894: 3870: 3860: 3850: 3833: 3771:Galloanserae 3758: 3645:Lamarqueavis 3643: 3638:Cimolopteryx 3636: 3629: 3606: 3599: 3591: 3583: 3577:Australornis 3575: 3548: 3541: 3534: 3527: 3520: 3500: 3495:Pasquiaornis 3493: 3486: 3479: 3472: 3465: 3458: 3431: 3424: 3416: 3401: 3391: 3381: 3371: 3361: 3351: 3341: 3331: 3320: 3287: 3280: 3273: 3249: 3241: 3234: 3228:Piscivoravis 3226: 3218: 3195: 3188: 3181: 3174: 3167: 3143: 3135: 3128: 3107:Patagopteryx 3105: 3097: 3090: 3067: 3060: 3037: 3027: 3019:Xinghaiornis 3017: 3006: 2996: 2986: 2976: 2968:Khinganornis 2966: 2956: 2946: 2938:Jiuquanornis 2936: 2926: 2916: 2906: 2896: 2887:Gargantuavis 2885: 2875: 2865: 2855: 2845: 2835: 2827:Changmaornis 2825: 2815: 2805: 2795: 2734: 2645:Jinguofortis 2643: 2636: 2629: 2606: 2599: 2592: 2585: 2562: 2555: 2529: 2498:Neimengornis 2496: 2489: 2483:Jixiangornis 2481: 2474: 2468:Dalianraptor 2466: 2442: 2431: 2420: 2410: 2402:Yandangornis 2400: 2389: 2379: 2369: 2358: 2347: 2337: 2301:Troodontidae 2290:Troodontidae 2247: 2242:Wellnhoferia 2240: 2233: 2225: 2202: 2195: 2188: 2181: 2174: 2166: 2159: 2154:Eosinopteryx 2152: 2145: 2138: 2131: 2108: 2101: 2094: 2087: 2063: 2053: 2044:Palaeopteryx 2042: 2032: 1973: 1899:Pennaraptora 1878: 1871: 1864: 1859:Nothronychus 1857: 1850: 1843: 1838:Erlikosaurus 1836: 1831:Erliansaurus 1829: 1811:Suzhousaurus 1809: 1804:Martharaptor 1802: 1797:Enigmosaurus 1795: 1788: 1781: 1757: 1750: 1744:Fukuivenator 1742: 1735: 1729:Eshanosaurus 1727: 1684: 1677: 1670: 1665:Albertonykus 1663: 1643: 1636: 1629: 1622:Ceratonykini 1609: 1602: 1595: 1588: 1583:Nemegtonykus 1581: 1573: 1566: 1559: 1552: 1527: 1520: 1513: 1505: 1498: 1491: 1483: 1459: 1453:Tugulusaurus 1451: 1444: 1437: 1432:Haplocheirus 1430: 1423: 1416: 1408: 1401: 1371: 1363:Migmanychion 1361: 1350: 1341:Fukuivenator 1339: 1328: 1184: 1175: 1166: 1078: 1074: 1064: 1056: 1052: 1043: 1008: 1004: 994: 984: 939: 935: 903: 899: 857: 853: 844: 840: 792: 788: 723: 707: 703: 678: 655: 651: 629: 623: 613: 589: 577: 574:Saskatchewan 546: 542: 541: 531: 519: 512: 505: 501: 495: 489: 483: 477: 471: 462: 446: 440: 438: 430:Galloanserae 419: 417: 409:Mesozoic era 386: 381: 377: 363: 343: 337: 314: 313: 303: 289: 282: 272: 248: 239: 226: 213: 200: 187: 174: 117: 18: 4241:Wikispecies 4079:Proceriavis 4051:Odontoptila 4007:Gigantornis 3917:Ilbandornis 3852:Asteriornis 3593:Neogaeornis 3543:Hesperornis 3474:Chupkaornis 3426:Ichthyornis 3251:Yixianornis 3197:Tianyuornis 3145:Palintropus 3092:Alamitornis 2978:Meemannavis 2948:Juehuaornis 2867:Eogranivora 2807:Bellulornis 2631:Chongmingia 2381:Overoraptor 2371:Fukuipteryx 2034:Imperobator 1873:Segnosaurus 1638:Ceratonykus 1597:Parvicursor 1568:Khulsanurus 1561:Jaculinykus 1529:Patagonykus 1439:Patagonykus 1373:Yaverlandia 1313:Maniraptora 1300:Maniraptora 1259:Maniraptora 1138:Maniraptora 841:Ichthyornis 657:Ichthyornis 630:Ichthyornis 614:Ichthyornis 590:Ichthyornis 578:Ichthyornis 506:Ichthyornis 497:Ichthyornis 465:crown group 442:Ichthyornis 368:age of the 339:Ichthyornis 274:Ichthyornis 116:Cast of an 34:95–66  4278:Categories 4150:See also: 4072:Pelagornis 3940:Brontornis 3747:Neognathae 3666:see below↓ 3631:Ceramornis 3601:Polarornis 3568:Vegaviidae 3536:Fumicollis 3502:Potamornis 3488:Judinornis 3481:Enaliornis 3305:Ornithurae 3275:Abitusavis 3069:Schizooura 3029:Yumenornis 2988:Platanavis 2958:Kaririavis 2908:Horezmavis 2847:Chaoyangia 2776:Euornithes 2763:Euornithes 2700:see below↓ 2691:Euornithes 2638:Cratonavis 2514:Pygostylia 2491:Kompsornis 2476:Jeholornis 2412:Zhongornis 2339:Alcmonavis 2227:Alcmonavis 2197:Xiaotingia 2190:Serikornis 2133:Anchiornis 2089:Ambopteryx 1943:see below↓ 1783:Alxasaurus 1672:Linhenykus 1656:Mononykini 1645:Xixianykus 1604:Qiupanykus 1590:Ondogurvel 1554:Dzharaonyx 1515:Bradycneme 1493:Alnashetri 1268:see below↓ 1171:Dinosauria 767:References 640:Ornithurae 602:Cenomanian 366:Cenomanian 334:Cretaceous 262:Subgroups 233:Ornithurae 194:Saurischia 181:Dinosauria 122:skeleton, 4177:Sauriurae 4157:Carinatae 3993:Cyphornis 3979:Aequornis 3948:Gastornis 3910:Genyornis 3903:Dromornis 3460:Baptornis 3393:Limenavis 3373:Iaceornis 3363:Guildavis 3353:Gallornis 3343:Cerebavis 3333:Apatornis 3137:Apsaravis 3130:Ambiortus 3099:Kuszholia 2564:Sapeornis 2391:Rahonavis 2183:Pedopenna 2065:Rahonavis 1737:Falcarius 1679:Mononykus 1631:Albinykus 1461:Xiyunykus 1330:Elopteryx 1247:Theropoda 1232:Theropoda 1180:Theropoda 1154:Kingdom: 1059:: 94-100. 860:: 1–179. 845:Apatornis 817:254099216 709:Limenavis 626:cladogram 594:Campanian 491:Guildavis 485:Iaceornis 479:Apatornis 473:Ambiortus 453:neognaths 387:I. dispar 382:I. dispar 322:dinosaurs 207:Theropoda 154:Kingdom: 148:Eukaryota 4232:Q2114071 4226:Wikidata 4192:Category 4000:Dasornis 3872:Qinornis 3529:Canadaga 3467:Brodavis 3289:Yanornis 3243:Yanornis 3220:Hollanda 2918:Iteravis 2898:Hollanda 2857:Dingavis 2608:Yangavis 2532:Proornis 2176:Ostromia 2140:Aurornis 1686:Shuvuuia 1418:Bannykus 1162:Chordata 1160:Phylum: 1156:Animalia 1097:24449041 1035:34330706 976:21914849 882:84035285 874:2246/454 809:36450906 515:and the 297:Synonyms 168:Chordata 164:Phylum: 158:Animalia 144:Domain: 4014:Laornis 3760:Neoaves 3608:Vegavis 3433:Janavis 3008:Wyleyia 2318:Avialae 2147:Caihong 2013:Paraves 2000:Paraves 1934:Paraves 1026:8324052 967:3174646 944:Bibcode 598:Alberta 566:Wyoming 558:Montana 538:Species 434:Neoaves 345:Janavis 319:avialan 284:Janavis 220:Avialae 4261:471646 3585:Maaqwi 3383:Kookne 2998:Vorona 2877:Gansus 2349:Balaur 1352:Kakuru 1095:  1033:  1023:  1011:(31). 974:  964:  880:  815:  807:  789:Nature 568:, and 517:family 330:fossil 256:, 1873 1410:Aorun 1185:Clade 1176:Clade 1167:Clade 878:S2CID 850:(PDF) 813:S2CID 608:near 604:-age 524:clade 510:order 326:birds 254:Marsh 240:Clade 227:Clade 214:Clade 201:Clade 188:Clade 175:Clade 4036:Manu 3812:see 3789:see 3733:see 2677:see 2299:see 2273:see 1920:see 1245:see 1218:see 1093:PMID 1031:PMID 972:PMID 843:and 805:PMID 725:Aves 624:The 488:and 468:Aves 432:and 342:and 42:PreꞒ 1575:Kol 1083:doi 1021:PMC 1013:doi 962:PMC 952:doi 940:108 908:doi 870:hdl 862:doi 858:286 797:doi 793:612 572:of 564:of 556:of 4280:: 4258:: 4243:: 4228:: 2110:Yi 1187:: 1178:: 1169:: 1091:. 1079:63 1077:. 1073:. 1057:75 1055:, 1051:. 1029:. 1019:. 1007:. 1003:. 970:. 960:. 950:. 938:. 934:. 920:^ 904:17 902:. 890:^ 876:. 868:. 856:. 852:. 825:^ 811:. 803:. 791:. 787:. 775:^ 560:, 482:, 476:, 455:. 380:. 242:: 229:: 216:: 203:: 190:: 177:: 92:Pg 36:Ma 31:, 4097:? 4082:? 4039:? 4017:? 3967:† 3958:? 3943:? 3928:† 3884:† 3875:? 3868:† 3858:† 3848:† 3648:? 3619:† 3596:? 3588:? 3580:? 3565:† 3444:† 3414:† 3399:† 3389:† 3379:† 3369:† 3359:† 3349:† 3339:† 3329:† 3325:? 3318:† 3263:† 3254:? 3246:? 3231:? 3223:? 3208:† 3157:† 3148:? 3140:? 3118:† 3102:? 3080:† 3050:† 3035:† 3025:† 3015:† 3011:? 3004:† 2994:† 2984:† 2974:† 2964:† 2954:† 2944:† 2934:† 2924:† 2914:† 2904:† 2894:† 2890:? 2883:† 2873:† 2863:† 2853:† 2843:† 2833:† 2823:† 2813:† 2803:† 2793:† 2665:† 2619:† 2575:† 2549:? 2544:† 2534:" 2530:" 2527:† 2486:? 2471:? 2456:† 2447:? 2440:† 2436:? 2429:† 2425:? 2418:† 2408:† 2398:† 2394:? 2387:† 2377:† 2367:† 2363:? 2356:† 2352:? 2345:† 2335:† 2287:† 2261:† 2252:? 2230:? 2215:† 2171:? 2121:† 2081:? 2076:† 2061:† 2051:† 2047:? 2040:† 2030:† 1908:† 1747:? 1732:? 1713:† 1578:? 1532:? 1510:? 1488:? 1456:? 1413:? 1386:† 1376:? 1369:† 1359:† 1355:? 1348:† 1344:? 1337:† 1333:? 1326:† 1130:e 1123:t 1116:v 1099:. 1085:: 1037:. 1015:: 1009:7 978:. 954:: 946:: 914:. 910:: 884:. 872:: 864:: 819:. 799:: 705:† 680:† 653:† 280:† 270:† 246:† 97:N 87:K 82:J 77:T 72:P 67:C 62:D 57:S 52:O 47:Ꞓ

Index

Late Cretaceous
Ma
PreꞒ

O
S
D
C
P
T
J
K
Pg
N

Ichthyornis dispar
Rocky Mountain Dinosaur Resource Center
Scientific classification
Edit this classification
Eukaryota
Animalia
Chordata
Dinosauria
Saurischia
Theropoda
Avialae
Ornithurae
Ichthyornithes
Marsh
Ichthyornis

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