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Sinornithosaurus

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1381: 3355: 947: 1055: 643: 3344: 3350: 514: 143: 3361: 122: 776: 603: 543: 1035: 1186: 3384: 435: 1289: 799:. They declined to name the specimen because, although it is completely articulated, almost all of the bones shattered when the fossil slabs were split, so that only the silhouettes of these bones are clear in most of the part and counterpart. This obscured diagnostic skeletal features, which made the specimen's genus uncertain. They noted that it was similar in some respects to 1267: 1480: 920: 976: 570:, though they admitted that they were not in a completely natural position. Gong's reassessment also claimed that certain undescribed specimens had fully articulated teeth showing a similar length. However, these grooved teeth are not direct evidence of venom, as non-venomous species of animals (such as 846:
was based on anatomical misinterpretations. As the two specimens were "identical in all character states" used in his phylogenetic analysis, were from similar stratigraphic levels and "uniquely share the presence of a triangular coracoid with a large, oval foramen", Senter concluded that NGMC 91 does
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In the same journal issue, Gong and his team submitted a reassessment of the 2009 study, casting doubt on their findings. They admitted that grooved teeth were common among theropods (though they suggested they were really only prevalent among feathered maniraptorans), and hypothesized that venom may
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was venomous. They noted that grooved teeth are not unique to this genus, and in fact grooved teeth are found in many other theropods, including other dromaeosaurids. They also demonstrated that the teeth were not abnormally long as Gong and his team claimed, but rather had come out of their sockets,
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dinosaur. Gong and colleagues noted that the unusually long and fang-like mid-jaw (maxillary) teeth had prominent grooves running down the outer surface, towards the rear of the tooth, a feature seen only in venomous animals. They also interpreted a cavity in the jaw bone just above these teeth as
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may have specialized in hunting small prey such as birds, using its long fangs to penetrate feathers and envenomate and stun the prey, like a modern snake. They also suggested that the short, slightly forward-pointing teeth at the tip of the jaw could have been used to strip feathers from birds.
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Chatterjee, S., and R. J. Templin. 2004. Feathered coelurosaurs from China: new light on the arboreal origin of avian flight. In: Feathered dragons (P. J. Currie, E. B. Koppelhus, M. A. Shugar, and J. L. Wright, eds.), pp. 251-281. Indiana University Press, Bloomington,
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may have had feathers which varied in color significantly across different regions of the body, based on analysis of microscopic cell structures in preserved fossils. Based on the rod and spherical melanosomes found in some samples, scientists have interpreted that
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a preservational artifact common in crushed and flattened fossils. Finally, they could not independently verify the presence of supposed chambers for venom glands cited by Gong's team, finding only the normal sinuses of the skull.
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have been a primitive trait for all archosaurs if not all reptiles, which was retained in certain lineages. They also disputed the claim that the teeth were significantly out of their sockets in the holotype specimen of
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from the same geological deposits. The body (contour) feathers were generally between 3–4.5 cm long and included two types: the first type are formed of several filaments joined into "tufts", similar to modern
1440: 628:, while Longrich & Currie 2009 have expressed that it was probably too heavy to fly, though it is worth to note that this latter study was published before the formal description of 835:. Subsequent studies, also by Senter, have continued to show support for this finding despite the fact that some data used in the original study was later found to be flawed. 3535: 2202: 449:
have preserved impressions of feathers both covering the entirety of the body and forming the wings. These feathers were indistinguishable in form from those found on
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The same conclusion was also reached independently from Senter by Turner, Makovicky and Norell (2012). According to these authors, NGMC 91 shares several
2537: 1710:"A new tiny dromaeosaurid dinosaur from the Lower Cretaceous Jehol Group of western Liaoning and niche differentiation among the Jehol dromaeosaurids" 3464: 401:, dated to 124.5 million years ago. Additional specimens have been found in the younger Dawangzhangzi bed, dating to around 122 million years ago. 1454:
The NGMC 91 specimen is in the collection of the National Geological Museum of China. It was collected in Fanzhangzi quarry, near Lingyuan City,
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Senter, Phil; Barsbold, R.; Britt, Brooks B.; Burnham, David B. (2004). "Systematics and evolution of Dromaeosauridae (Dinosauria, Theropoda)".
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was among the smallest dromaeosaurids, with the holotype measuring 1.2 metres (3.9 ft) long and weighing 3–5 kilograms (6.6–11.0 lb).
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Ji Q., Norell, M.A., Gao K.Q., Ji S.-A. and Ren, D. (2001). "The distribution of integumentary structures in a feathered dinosaur." "Nature",
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Xu, Xing; Wang, Xiao-Lin; Wu, Xiao-Chun (1999). "A dromaeosaurid dinosaur with a filamentous integument from the Yixian Formation of China".
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An incredibly well-preserved microraptorian nicknamed "Dave" (specimen NGMC 91), was first described in a paper published in the journal
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Zhang, Fucheng; Kearns, Stuart L.; Orr, Patrick J.; Benton, Michael J.; Zhou, Zhonghe; Johnson, Diane; Xu, Xing; Wang, Xiaolin (2010).
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Gianechini, F.A.; AgnolĂ­n, F.L.; Ezcurra, M.D. (2010). "A reassessment of the purported venom delivery system of the bird-like raptor
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in features of the skull and hips. However, according to Turner, Makovicky and Norell (2012) the supposed distinguishing features of
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Ji, Q.; Ji, S.-A.; Yuan, C.-X.; Ji, X.-X. (2002). "Restudy on a small dromaeosaurid dinosaur with feathers over its entire body".
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Liu, J., Ji, S., Tang, F. & Gao, C. (2004). "A new species of dromaeosaurids from the Yixian Formation of western Liaoning".
1458:. This location is part of the Dawangzhangzi fossil beds, which have been dated to about 122 million years ago, during the early 1385: 3354: 470:
feathers. However, unlike the wing feathers of flying birds, they did not have the secondary branches with tiny little hooks (
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was discovered by Xu Xing, Wang Xiaolin and Wu Xiaochun of the Institute of Vertebrate Paleontology and Paleoanthropology of
420:. Together these two facts demonstrate that the earliest dromaeosaurs were more like birds than the later dromaeosaurs were. 3343: 142: 2437:"New Dromaeosaurids (Dinosauria: Theropoda) from the Lower Cretaceous of Utah, and the Evolution of the Dromaeosaurid Tail" 557:
However, in 2010, another team of scientists led by Federico Gianechini published a paper casting doubts on the claim that
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the possible site for the soft-tissue venom gland. Gong and colleagues suggested that these unique features indicated that
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was capable of gliding has been presented several times, due to its close relation to flying or gliding dromaeosaurs like
3360: 3520: 2396:"Using creation science to demonstrate evolution 2: morphological continuity within Dinosauria (supporting information)" 3349: 2045: 701:
specimen NGMC 91 were found in younger strata dating to about 122 million years ago. The presence of vaned feathers on
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was the first dromaeosaurid discovered with feathers. The holotype specimen is IVPP V12811, in the collection of the
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as grouping within dinosaurs with aerodynamic potential for aerial locomotion, an opinion latter also expressed by
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Schmitz, L.; Motani, R. (2011). "Nocturnality in Dinosaurs Inferred from Scleral Ring and Orbit Morphology".
3404: 3510: 3477: 3387: 2196: 1202: 3442: 946: 1054: 3451: 2688: 2448: 2137: 2072: 1852: 1758: 1639: 1560: 831:. In a 2004 analysis, Phil Senter and colleagues found that it was, in fact, more closely related to 796: 274: 3105: 1498: 1493: 1411:; the same incredibly rich location where four dinosaurs with feathers were discovered previously, 1008: 642: 408:
and performed a phylogenetic analysis which demonstrated that it is basal, or primitive, among the
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Senter, P.; Kirkland, J. I.; Deblieux, D. D.; Madsen, S.; Toth, N. (2012). Dodson, Peter (ed.).
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and colleagues considered the specimen to represent an example of their newly described species
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discovered by 1999. The original specimen was collected from the Sihetun locality of western
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However, in a 2011 publication Senter stated that a personal examination of the holotype of
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Senter, P. (2007). "A new look at the phylogeny of Coelurosauria (Dinosauria: Theropoda)".
775: 602: 3286: 3140: 3043: 2756: 2734: 2700: 2619: 2546: 2278: 2215: 1419: 1050: 1034: 995: 900: 817: 808: 765: 757: 690: 658: 226: 2126:"A microraptorine (Dinosauria–Dromaeosauridae) from the Late Cretaceous of North America" 1943: 2452: 2141: 2076: 1856: 1762: 1643: 1564: 1185: 2944: 2471: 2436: 2160: 2125: 1920: 1895: 583: 542: 412:. He has also demonstrated that features of the skull and shoulder are very similar to 1599:"Evolutionary radiation of the Jehol Biota: chronological and ecological perspectives" 1545: 3499: 3265: 3179: 3071: 3056: 2995: 2988: 2981: 2971: 2906: 2899: 2828: 2412: 2031: 1880: 1431: 1261: 1123: 1085: 630: 361: 350: 242: 72: 2380: 2287:. Princeton field guides (3rd ed.). Princeton, NJ: Princeton University Press. 2264: 2100: 1992: 1728: 458:. The second type, including those on the arms, were composed of rows of filaments ( 3324: 3235: 3156: 3149: 3114: 3093: 3078: 3017: 2884: 2877: 2870: 2860: 2807: 2792: 2006:
Gong, E.; Martin, L.D.; Burnham, D.A.; Falk, A.R. (2010). "Evidence for a venomous
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Roy, Arindam; Pittman, Michael; Saitta, Evan T.; Kaye, Thomas G.; Xu, Xing (2020).
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Swisher, Carl C.; Wang, Yuan-qing; Wang, Xiao-lin; Xu, Xing; Wang, Yuan (1999).
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Xu, X.; Zhou, Z.; Prum, R.O. (2001). "Branched integumental structures in
3421: 3294: 3215: 3186: 2960: 2770: 2570: 1838:"Fossilized melanosomes and the colour of Cretaceous dinosaurs and birds" 665:
dinosaurs with a distinctive sickle-shaped toe claw, which also includes
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had venom due to some dentitional similarities to modern venomous snakes.
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skull, and noted several features suggesting it was the first-identified
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In 2009, a team of scientists led by Empu Gong examined a well-preserved
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studies did not support the idea that NGMC 91 was a close relative of
2892: 2784: 2564: 2256: 1770: 1674: 1459: 1400: 970: 571: 497: 390: 164: 3398: 2232: 1615: 1598: 807:, though they considered the exact species questionable. Meanwhile, 2515: 2248: 1651: 1572: 1448: 1379: 975: 774: 641: 601: 541: 530: 512: 493: 433: 383: 354: 2231:
Alan Hamilton Turner, Peter J. Makovicky and Mark Norell (2012).
3456: 886:. The authors concluded that NGMC 91 was a subadult specimen of 842:
led him to conclude that his earlier separation of NGMC 91 from
467: 3402: 2557: 2519: 1546:"Cretaceous age for the feathered dinosaurs of Liaoning, China" 2233:"A review of dromaeosaurid systematics and paravian phylogeny" 878:. On the other hand, it does possess a posteriorly bifurcated 590:
and modern birds and reptiles indicate that it may have been
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Gong, E., L.D. Martin, D.E. Burnham, and A.R. Falk. (2009).
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in 2004 based on a new specimen, D2140, which differed from
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Planet Dinosaur : The Next Generation of Killer Giants
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Institute of Vertebrate Paleontology and Paleoanthropology
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to glide for short distances after leaping from trees.
325: 312: 289: 3411: 3225: 3139: 3104: 3042: 2970: 2859: 2817: 2754: 2699: 2672: 2645: 2618: 728:("Hao's Chinese bird-lizard") was described by Liu 2237:Bulletin of the American Museum of Natural History 2226: 2224: 1804: 2496:Student Science. 12 Jan. 2010. Web. 26 May 2015. 2342:Bulletin of the Gunma Museum of Natural History 2130:Proceedings of the National Academy of Sciences 1952:Proceedings of the National Academy of Sciences 870:that are three to four times the length of the 705:is consistent with feather evidence from other 466:), making them similar in structure to modern 397:. It was found in the Jianshangou beds of the 2531: 1798: 1796: 1403:with feather impressions, was recovered from 546:Some palaeontologists have hypothesized that 8: 2509:"Dinosaur fossil yields feathery structures" 2201:: CS1 maint: multiple names: authors list ( 1740: 1738: 1679:. Princeton University Press. p. 147. 606:Referred specimen, Hong Kong Science Museum 3399: 3048: 2762: 2751: 2678: 2651: 2624: 2615: 2554: 2538: 2524: 2516: 1592: 1590: 720:("millennium Chinese bird-lizard") is the 120: 20: 2470: 2460: 2411: 2159: 2149: 1919: 1614: 349:(derived from a combination of Latin and 1384:The holotype specimen on display at the 866:; however, as it "lacks elongate middle 3536:Multispecific non-avian dinosaur genera 1956:https://doi.org/10.1073/pnas.0912360107 1536: 821:), based on supposed wing proportions. 724:, described in 1999. A second species, 2284:The Princeton Field Guide to Dinosaurs 2194: 1676:The Princeton Field Guide to Dinosaurs 770:The Princeton Field Guide to Dinosaurs 353:, meaning 'Chinese bird-lizard') is a 2124:Longrich, N.R.; Currie, P.J. (2009). 815:(now usually considered a synonym of 7: 620:. Chatterjee and Templin 2004 found 2361:Journal of Systematic Palaeontology 1236: 1171: 1146: 1139: 1115: 1091: 1023: 1001: 991: 962: 935: 906: 896: 748:specimens"; the authors considered 3506:Early Cretaceous dinosaurs of Asia 1525:Timeline of dromaeosaurid research 646:NGMC 91, nicknamed "Dave", at the 14: 1468:is also preserved near the foot. 132:fossil, Hong Kong Science Museum 3383: 3382: 3359: 3353: 3348: 3342: 2413:10.1111/j.1420-9101.2011.02349.x 1708:Xu, Xing; Qin, Zi-Chuan (2017). 1478: 1287: 1265: 1184: 1053: 1033: 974: 945: 918: 744:or variable among the number of 574:) have similarly grooved teeth. 141: 2400:Journal of Evolutionary Biology 2046:"Re: Venom in Sinornithosaurus" 1386:Paleozoological Museum of China 1: 3531:Fossil taxa described in 1999 1749:and the origin of feathers". 758:new informal combination name 462:) joined along a main shaft ( 386:. It was the fifth non–avian 335:Liu, Ji, Tang & Gao, 2004 2462:10.1371/journal.pone.0036790 2185:Geological Bulletin of China 2012:Paläontologische Zeitschrift 1973:Paläontologische Zeitschrift 1462:age. A specimen of the fish 874:", it cannot be referred to 779:Skeletal reconstructions of 483:A 2010 study indicated that 2507:Wang, L. (March 10, 2001). 882:, which is an apomorphy of 657:was a member of the family 3552: 752:to be a junior synonym of 648:Geological Museum of China 16:Extinct genus of dinosaurs 3372: 3340: 3051: 2765: 2750: 2731: 2681: 2654: 2627: 2614: 2553: 2373:10.1017/S1477201907002143 2024:10.1007/s12542-010-0076-7 1985:10.1007/s12542-010-0074-9 1811:. Firefly Books. p.  1673:Paul, Gregory S. (2016). 1280: 1258: 1241: 1234: 1199: 1176: 1169: 1151: 1144: 1137: 1120: 1113: 1096: 1089: 1048: 1028: 1021: 1006: 999: 989: 967: 960: 940: 933: 911: 904: 864:Sinornithosaurus millenii 849:Sinornithosaurus millenii 801:Sinornithosaurus millenii 742:Sinornithosaurus millenii 309: 304: 294:Sinornithosaurus millenii 288: 281: 138:Scientific classification 136: 128: 119: 23: 768:in the third edition of 689:of the Early Cretaceous 582:Comparisons between the 321:Xu, Wang, & Wu, 1999 299:Xu, Wang, & Wu, 1999 2323:Earth Science Frontiers 2151:10.1073/pnas.0811664106 2085:10.1126/science.1200043 1376:Discovery and specimens 740:"are either present in 438:Artist's impression of 1803:Naish, Darren (2012). 1717:Vertebrata PalAsiatica 1389: 847:belong to the species 784: 651: 607: 554: 522: 509:Possible venomous bite 442: 3526:Taxa named by Xu Xing 3478:Paleobiology Database 2394:Senter, Phil (2011). 1399:. An almost-complete 1383: 1203:Microraptor zhaoianus 860:Microraptor zhaoianus 778: 716:have been described. 645: 610:The possibility that 605: 545: 516: 437: 1944:The birdlike raptor 661:, a group of agile, 3521:Feathered dinosaurs 3106:Saurornitholestinae 2453:2012PLoSO...736790S 2142:2009PNAS..106.5002L 2077:2011Sci...332..705S 1865:10.1038/nature08740 1857:2010Natur.463.1075Z 1851:(7284): 1075–1078. 1763:2001Natur.410..200X 1644:1999Natur.401..262X 1565:1999Natur.400...58S 1499:Feathered dinosaurs 1494:Dinosaur coloration 1009:Saurornitholestinae 2311:(6832) 1084-1087. 2214:2007-09-28 at the 1900:Biological Reviews 1603:Geological Journal 1390: 893:Cladogram (2012): 813:Cryptovolans pauli 795:and colleagues in 785: 652: 608: 555: 523: 443: 404:Xu Xing described 388:feathered dinosaur 3493: 3492: 3405:Taxon identifiers 3396: 3395: 3368: 3367: 3338: 3337: 3334: 3333: 3303:Saurornitholestes 3194:Saurornitholestes 3130:Saurornitholestes 2819:Halszkaraptorinae 2746: 2745: 2742: 2741: 2727: 2726: 2723: 2722: 2719: 2718: 2406:(10): 2197–2216. 2294:978-0-691-23157-0 2136:(13): 5002–5007. 1912:10.1111/brv.12552 1822:978-1-77085-049-1 1757:(6825): 200–204. 1686:978-1-78684-190-2 1638:(6750): 262–266. 1597:Zhou, Z. (2006). 1456:Liaoning Province 1414:Protarchaeopteryx 1405:Liaoning Province 1372: 1371: 1363: 1362: 1354: 1353: 1345: 1344: 1336: 1335: 1327: 1326: 1318: 1317: 1309: 1308: 1300: 1299: 1223: 1222: 1214: 1213: 1075: 1074: 1066: 1065: 697:and the possible 685:in the Barremian 683:million years ago 342: 341: 336: 322: 277: 3543: 3486: 3485: 3473: 3472: 3460: 3459: 3447: 3446: 3445: 3443:Sinornithosaurus 3432: 3431: 3430: 3413:Sinornithosaurus 3400: 3386: 3385: 3363: 3357: 3352: 3346: 3227:Velociraptorinae 3173:Dromaeosauroides 3049: 3033:Zhongjianosaurus 3011:Sinornithosaurus 2763: 2752: 2679: 2652: 2625: 2616: 2609: 2608: 2555: 2540: 2533: 2526: 2517: 2512: 2492:Ornes, Stephen. 2485: 2484: 2474: 2464: 2432: 2426: 2425: 2415: 2391: 2385: 2384: 2356: 2350: 2349: 2337: 2331: 2330: 2318: 2312: 2305: 2299: 2298: 2279:Paul, Gregory S. 2275: 2269: 2268: 2228: 2219: 2206: 2200: 2192: 2180: 2174: 2173: 2163: 2153: 2121: 2115: 2111: 2105: 2104: 2060: 2054: 2053: 2048:. Archived from 2042: 2036: 2035: 2008:Sinornithosaurus 2003: 1997: 1996: 1969:Sinornithosaurus 1964: 1958: 1946:Sinornithosaurus 1940: 1934: 1933: 1923: 1891: 1885: 1884: 1842: 1833: 1827: 1826: 1810: 1800: 1791: 1790: 1771:10.1038/35065589 1747:Sinornithosaurus 1742: 1733: 1732: 1714: 1705: 1699: 1698: 1670: 1664: 1663: 1627: 1621: 1620: 1618: 1609:(3–4): 377–393. 1594: 1585: 1584: 1550: 1541: 1488: 1486:Dinosaurs portal 1483: 1482: 1481: 1437:Sinornithosaurus 1409:Yixian Formation 1407:, China, in the 1393:Sinornithosaurus 1291: 1284:Sinornithosaurus 1269: 1237: 1188: 1172: 1147: 1140: 1116: 1092: 1057: 1037: 1031:Velociraptorinae 1024: 1002: 992: 978: 963: 949: 936: 922: 907: 897: 884:Sinornithosaurus 872:dorsal vertebrae 805:Sinornithosaurus 746:Sinornithosaurus 714:Sinornithosaurus 703:Sinornithosaurus 699:Sinornithosaurus 681:lived about 125 655:Sinornithosaurus 612:Sinornithosaurus 588:Sinornithosaurus 578:Circadian rhythm 568:Sinornithosaurus 559:Sinornithosaurus 548:Sinornithosaurus 536:Sinornithosaurus 527:Sinornithosaurus 490:Sinornithosaurus 485:Sinornithosaurus 478:Sinornithosaurus 447:Sinornithosaurus 424:Sinornithosaurus 406:Sinornithosaurus 399:Yixian Formation 380:Yixian Formation 346:Sinornithosaurus 334: 327: 320: 314: 291: 261: 257:Sinornithosaurus 254: 241: 225: 146: 145: 124: 114: 44: 31:Early Cretaceous 29:Temporal range: 25:Sinornithosaurus 21: 3551: 3550: 3546: 3545: 3544: 3542: 3541: 3540: 3516:Microraptorians 3496: 3495: 3494: 3489: 3481: 3476: 3468: 3463: 3455: 3450: 3441: 3440: 3435: 3426: 3425: 3420: 3407: 3397: 3392: 3364: 3330: 3287:Luanchuanraptor 3221: 3141:Dromaeosaurinae 3135: 3100: 3044:Eudromaeosauria 3038: 2966: 2855: 2813: 2759: 2757:Dromaeosauridae 2738: 2735:Dromaeosauridae 2715: 2701:Dromaeosauridae 2695: 2668: 2641: 2635:Avemetatarsalia 2620:Avemetatarsalia 2610: 2560: 2559: 2549: 2547:Dromaeosauridae 2544: 2511:. Science News. 2506: 2503: 2489: 2488: 2434: 2433: 2429: 2393: 2392: 2388: 2358: 2357: 2353: 2339: 2338: 2334: 2320: 2319: 2315: 2306: 2302: 2295: 2277: 2276: 2272: 2230: 2229: 2222: 2216:Wayback Machine 2193: 2182: 2181: 2177: 2123: 2122: 2118: 2112: 2108: 2071:(6030): 705–8. 2062: 2061: 2057: 2044: 2043: 2039: 2005: 2004: 2000: 1966: 1965: 1961: 1941: 1937: 1893: 1892: 1888: 1840: 1835: 1834: 1830: 1823: 1802: 1801: 1794: 1744: 1743: 1736: 1712: 1707: 1706: 1702: 1687: 1672: 1671: 1667: 1629: 1628: 1624: 1616:10.1002/gj.1045 1596: 1595: 1588: 1559:(6739): 58–61. 1548: 1543: 1542: 1538: 1533: 1484: 1479: 1477: 1474: 1420:Sinosauropteryx 1378: 1373: 1364: 1355: 1346: 1337: 1328: 1319: 1310: 1301: 1224: 1215: 1076: 1067: 1051:Dromaeosaurinae 996:Eudromaeosauria 901:Dromaeosauridae 818:Microraptor gui 809:Stephen Czerkas 766:Gregory S. Paul 756:. In 2024, the 712:Two species of 659:Dromaeosauridae 640: 600: 580: 511: 506: 432: 382:in what is now 367:from the early 300: 297: 260: 252: 239: 227:Dromaeosauridae 223: 140: 115: 113: 112: 111: 110: 105: 100: 95: 90: 85: 80: 75: 70: 65: 60: 55: 50: 40:124.6–122  39: 38: 27: 17: 12: 11: 5: 3549: 3547: 3539: 3538: 3533: 3528: 3523: 3518: 3513: 3508: 3498: 3497: 3491: 3490: 3488: 3487: 3474: 3461: 3448: 3433: 3417: 3415: 3409: 3408: 3403: 3394: 3393: 3391: 3390: 3380: 3373: 3370: 3369: 3366: 3365: 3341: 3339: 3336: 3335: 3332: 3331: 3329: 3328: 3321: 3314: 3307: 3299: 3291: 3283: 3276: 3269: 3262: 3254: 3246: 3239: 3231: 3229: 3223: 3222: 3220: 3219: 3212: 3205: 3198: 3190: 3183: 3176: 3169: 3161: 3153: 3145: 3143: 3137: 3136: 3134: 3133: 3126: 3118: 3110: 3108: 3102: 3101: 3099: 3098: 3090: 3083: 3075: 3068: 3061: 3052: 3046: 3040: 3039: 3037: 3036: 3029: 3022: 3014: 3007: 3000: 2992: 2985: 2977: 2975: 2968: 2967: 2965: 2964: 2957: 2949: 2945:Unquillosaurus 2941: 2934: 2926: 2918: 2911: 2903: 2896: 2889: 2881: 2874: 2866: 2864: 2857: 2856: 2854: 2853: 2846: 2839: 2832: 2824: 2822: 2815: 2814: 2812: 2811: 2804: 2796: 2789: 2781: 2774: 2766: 2760: 2755: 2748: 2747: 2744: 2743: 2740: 2739: 2732: 2729: 2728: 2725: 2724: 2721: 2720: 2717: 2716: 2714: 2713: 2712: 2711: 2705: 2703: 2697: 2696: 2694: 2693: 2692: 2691: 2682: 2676: 2670: 2669: 2667: 2666: 2665: 2664: 2655: 2649: 2643: 2642: 2640: 2639: 2638: 2637: 2628: 2622: 2612: 2611: 2607: 2606: 2597: 2588: 2579: 2573: 2567: 2558: 2551: 2550: 2545: 2543: 2542: 2535: 2528: 2520: 2514: 2513: 2502: 2501:External links 2499: 2498: 2497: 2487: 2486: 2427: 2386: 2367:(4): 429–463. 2351: 2332: 2313: 2300: 2293: 2270: 2220: 2175: 2116: 2106: 2055: 2052:on 2011-11-10. 2037: 1998: 1959: 1935: 1886: 1828: 1821: 1792: 1734: 1723:(2): 129–144. 1700: 1685: 1665: 1622: 1586: 1535: 1534: 1532: 1529: 1528: 1527: 1522: 1515: 1508: 1501: 1496: 1490: 1489: 1473: 1470: 1377: 1374: 1370: 1369: 1366: 1365: 1361: 1360: 1357: 1356: 1352: 1351: 1348: 1347: 1343: 1342: 1339: 1338: 1334: 1333: 1330: 1329: 1325: 1324: 1321: 1320: 1316: 1315: 1312: 1311: 1307: 1306: 1303: 1302: 1298: 1297: 1294: 1293: 1279: 1276: 1275: 1272: 1271: 1257: 1254: 1253: 1250: 1249: 1240: 1235: 1233: 1230: 1229: 1226: 1225: 1221: 1220: 1217: 1216: 1212: 1211: 1208: 1207: 1198: 1195: 1194: 1191: 1190: 1175: 1170: 1168: 1165: 1164: 1161: 1160: 1150: 1145: 1143: 1138: 1136: 1133: 1132: 1129: 1128: 1119: 1114: 1112: 1109: 1108: 1105: 1104: 1095: 1090: 1088: 1082: 1081: 1078: 1077: 1073: 1072: 1069: 1068: 1064: 1063: 1060: 1059: 1047: 1044: 1043: 1040: 1039: 1027: 1022: 1020: 1017: 1016: 1013: 1012: 1005: 1000: 998: 990: 988: 985: 984: 981: 980: 966: 961: 959: 956: 955: 952: 951: 939: 934: 932: 929: 928: 925: 924: 910: 905: 903: 895: 764:was coined by 760:"Jeholraptor" 639: 638:Classification 636: 599: 598:Flight/gliding 596: 579: 576: 510: 507: 505: 502: 431: 428: 340: 339: 338: 337: 323: 307: 306: 302: 301: 298: 286: 285: 279: 278: 250: 246: 245: 237: 230: 229: 221: 217: 216: 211: 204: 203: 198: 191: 190: 185: 178: 177: 172: 168: 167: 162: 158: 157: 152: 148: 147: 134: 133: 126: 125: 117: 116: 108: 107: 106: 101: 96: 91: 86: 81: 76: 71: 66: 61: 56: 51: 46: 45: 28: 15: 13: 10: 9: 6: 4: 3: 2: 3548: 3537: 3534: 3532: 3529: 3527: 3524: 3522: 3519: 3517: 3514: 3512: 3509: 3507: 3504: 3503: 3501: 3484: 3479: 3475: 3471: 3466: 3462: 3458: 3453: 3449: 3444: 3438: 3434: 3429: 3423: 3419: 3418: 3416: 3414: 3410: 3406: 3401: 3389: 3381: 3379: 3375: 3374: 3371: 3362: 3358: 3356: 3351: 3345: 3327: 3326: 3322: 3320: 3319: 3315: 3313: 3312: 3308: 3305: 3304: 3300: 3297: 3296: 3292: 3289: 3288: 3284: 3282: 3281: 3277: 3275: 3274: 3270: 3268: 3267: 3266:Kansaignathus 3263: 3260: 3259: 3255: 3252: 3251: 3247: 3245: 3244: 3240: 3238: 3237: 3233: 3232: 3230: 3228: 3224: 3218: 3217: 3213: 3211: 3210: 3206: 3204: 3203: 3199: 3196: 3195: 3191: 3189: 3188: 3184: 3182: 3181: 3180:Dromaeosaurus 3177: 3175: 3174: 3170: 3167: 3166: 3162: 3159: 3158: 3154: 3152: 3151: 3147: 3146: 3144: 3142: 3138: 3132: 3131: 3127: 3124: 3123: 3119: 3117: 3116: 3112: 3111: 3109: 3107: 3103: 3096: 3095: 3091: 3089: 3088: 3084: 3081: 3080: 3076: 3074: 3073: 3072:Dineobellator 3069: 3067: 3066: 3062: 3059: 3058: 3054: 3053: 3050: 3047: 3045: 3041: 3035: 3034: 3030: 3028: 3027: 3023: 3020: 3019: 3015: 3013: 3012: 3008: 3006: 3005: 3001: 2998: 2997: 2996:Hesperonychus 2993: 2991: 2990: 2989:Graciliraptor 2986: 2984: 2983: 2982:Changyuraptor 2979: 2978: 2976: 2973: 2972:Microraptoria 2969: 2963: 2962: 2958: 2955: 2954: 2950: 2947: 2946: 2942: 2940: 2939: 2935: 2932: 2931: 2927: 2924: 2923: 2919: 2917: 2916: 2912: 2909: 2908: 2907:Ornithodesmus 2904: 2902: 2901: 2900:Neuquenraptor 2897: 2895: 2894: 2890: 2887: 2886: 2882: 2880: 2879: 2875: 2873: 2872: 2868: 2867: 2865: 2862: 2858: 2852: 2851: 2847: 2845: 2844: 2840: 2838: 2837: 2833: 2831: 2830: 2829:Halszkaraptor 2826: 2825: 2823: 2820: 2816: 2810: 2809: 2805: 2802: 2801: 2797: 2795: 2794: 2790: 2787: 2786: 2782: 2780: 2779: 2775: 2773: 2772: 2768: 2767: 2764: 2761: 2758: 2753: 2749: 2737: 2736: 2730: 2709: 2708: 2707: 2706: 2704: 2702: 2698: 2690: 2686: 2685: 2684: 2683: 2680: 2677: 2675: 2671: 2663: 2659: 2658: 2657: 2656: 2653: 2650: 2648: 2644: 2636: 2632: 2631: 2630: 2629: 2626: 2623: 2621: 2617: 2613: 2605: 2601: 2598: 2596: 2592: 2589: 2587: 2583: 2580: 2578: 2574: 2572: 2568: 2566: 2562: 2561: 2556: 2552: 2548: 2541: 2536: 2534: 2529: 2527: 2522: 2521: 2518: 2510: 2505: 2504: 2500: 2495: 2491: 2490: 2482: 2478: 2473: 2468: 2463: 2458: 2454: 2450: 2447:(5): e36790. 2446: 2442: 2438: 2431: 2428: 2423: 2419: 2414: 2409: 2405: 2401: 2397: 2390: 2387: 2382: 2378: 2374: 2370: 2366: 2362: 2355: 2352: 2347: 2343: 2336: 2333: 2328: 2324: 2317: 2314: 2310: 2304: 2301: 2296: 2290: 2286: 2285: 2280: 2274: 2271: 2266: 2262: 2258: 2254: 2250: 2249:10.1206/748.1 2246: 2242: 2238: 2234: 2227: 2225: 2221: 2217: 2213: 2210: 2204: 2198: 2191:(8): 778–783. 2190: 2186: 2179: 2176: 2171: 2167: 2162: 2157: 2152: 2147: 2143: 2139: 2135: 2131: 2127: 2120: 2117: 2110: 2107: 2102: 2098: 2094: 2090: 2086: 2082: 2078: 2074: 2070: 2066: 2059: 2056: 2051: 2047: 2041: 2038: 2033: 2029: 2025: 2021: 2017: 2013: 2009: 2002: 1999: 1994: 1990: 1986: 1982: 1978: 1974: 1970: 1963: 1960: 1957: 1953: 1949: 1947: 1939: 1936: 1931: 1927: 1922: 1917: 1913: 1909: 1905: 1901: 1897: 1890: 1887: 1882: 1878: 1874: 1870: 1866: 1862: 1858: 1854: 1850: 1846: 1839: 1832: 1829: 1824: 1818: 1814: 1809: 1808: 1799: 1797: 1793: 1788: 1784: 1780: 1776: 1772: 1768: 1764: 1760: 1756: 1752: 1748: 1741: 1739: 1735: 1730: 1726: 1722: 1718: 1711: 1704: 1701: 1696: 1692: 1688: 1682: 1678: 1677: 1669: 1666: 1661: 1657: 1653: 1652:10.1038/45769 1649: 1645: 1641: 1637: 1633: 1626: 1623: 1617: 1612: 1608: 1604: 1600: 1593: 1591: 1587: 1582: 1578: 1574: 1573:10.1038/21872 1570: 1566: 1562: 1558: 1554: 1547: 1540: 1537: 1530: 1526: 1523: 1521: 1520: 1516: 1514: 1513: 1509: 1507: 1506: 1502: 1500: 1497: 1495: 1492: 1491: 1487: 1476: 1471: 1469: 1467: 1466: 1461: 1457: 1452: 1450: 1446: 1442: 1438: 1434: 1433: 1432:Beipiaosaurus 1428: 1427: 1422: 1421: 1416: 1415: 1410: 1406: 1402: 1398: 1394: 1387: 1382: 1375: 1368: 1367: 1359: 1358: 1350: 1349: 1341: 1340: 1332: 1331: 1323: 1322: 1314: 1313: 1305: 1304: 1296: 1295: 1292: 1290: 1286: 1285: 1278: 1277: 1274: 1273: 1270: 1268: 1264: 1263: 1262:Graciliraptor 1256: 1255: 1252: 1251: 1248: 1247: 1246: 1239: 1238: 1232: 1231: 1228: 1227: 1219: 1218: 1210: 1209: 1206: 1205: 1204: 1197: 1196: 1193: 1192: 1189: 1187: 1183: 1181: 1174: 1173: 1167: 1166: 1163: 1162: 1159: 1158: 1156: 1149: 1148: 1142: 1141: 1135: 1134: 1131: 1130: 1127: 1126: 1125: 1124:Hesperonychus 1118: 1117: 1111: 1110: 1107: 1106: 1103: 1102: 1101: 1094: 1093: 1087: 1086:Microraptoria 1084: 1083: 1080: 1079: 1071: 1070: 1062: 1061: 1058: 1056: 1052: 1046: 1045: 1042: 1041: 1038: 1036: 1032: 1026: 1025: 1019: 1018: 1015: 1014: 1011: 1010: 1004: 1003: 997: 994: 993: 987: 986: 983: 982: 979: 977: 973: 972: 965: 964: 958: 957: 954: 953: 950: 948: 944: 938: 937: 931: 930: 927: 926: 923: 921: 917: 916: 909: 908: 902: 899: 898: 894: 891: 889: 885: 881: 877: 873: 869: 865: 861: 857: 852: 850: 845: 841: 836: 834: 830: 826: 822: 820: 819: 814: 810: 806: 802: 798: 794: 790: 782: 777: 773: 771: 767: 763: 759: 755: 751: 747: 743: 739: 735: 731: 727: 723: 719: 715: 710: 708: 704: 700: 696: 692: 688: 684: 680: 676: 675: 670: 669: 664: 660: 656: 649: 644: 637: 635: 633: 632: 631:Changyuraptor 627: 623: 619: 618: 613: 604: 597: 595: 593: 589: 585: 584:scleral rings 577: 575: 573: 569: 563: 560: 552: 549: 544: 540: 537: 532: 528: 520: 515: 508: 503: 501: 499: 495: 491: 486: 481: 479: 475: 474: 469: 465: 461: 457: 456:down feathers 452: 448: 445:Specimens of 441: 436: 429: 427: 425: 421: 419: 415: 414:Archaeopteryx 411: 407: 402: 400: 396: 392: 389: 385: 381: 377: 373: 370: 366: 363: 362:dromaeosaurid 360: 356: 352: 348: 347: 332: 331: 324: 319: 318: 311: 310: 308: 303: 296: 295: 287: 284: 280: 276: 272: 268: 264: 259: 258: 251: 248: 247: 244: 243:Microraptoria 238: 235: 232: 231: 228: 222: 219: 218: 215: 212: 209: 206: 205: 202: 199: 196: 193: 192: 189: 186: 183: 180: 179: 176: 173: 170: 169: 166: 163: 160: 159: 156: 153: 150: 149: 144: 139: 135: 131: 127: 123: 118: 104: 99: 94: 89: 84: 79: 74: 69: 64: 59: 54: 49: 43: 36: 32: 26: 22: 19: 3511:Yixian fauna 3412: 3347: 3325:Velociraptor 3323: 3316: 3309: 3301: 3293: 3285: 3278: 3271: 3264: 3256: 3248: 3241: 3236:Acheroraptor 3234: 3214: 3207: 3200: 3192: 3185: 3178: 3171: 3163: 3157:Dakotaraptor 3155: 3150:Achillobator 3148: 3128: 3120: 3115:Atrociraptor 3113: 3094:Zhenyuanlong 3092: 3085: 3079:Tianyuraptor 3077: 3070: 3063: 3055: 3031: 3024: 3018:Tianyuraptor 3016: 3010: 3009: 3002: 2994: 2987: 2980: 2959: 2951: 2943: 2936: 2928: 2920: 2913: 2905: 2898: 2891: 2885:Dakotaraptor 2883: 2878:Buitreraptor 2876: 2871:Austroraptor 2869: 2861:Unenlagiinae 2848: 2841: 2834: 2827: 2808:Zhenyuanlong 2806: 2798: 2793:Tianyuraptor 2791: 2783: 2776: 2769: 2733: 2599: 2590: 2581: 2494:"Dino-bite!" 2444: 2440: 2430: 2403: 2399: 2389: 2364: 2360: 2354: 2345: 2341: 2335: 2326: 2322: 2316: 2308: 2303: 2283: 2273: 2240: 2236: 2197:cite journal 2188: 2184: 2178: 2133: 2129: 2119: 2109: 2068: 2064: 2058: 2050:the original 2040: 2015: 2011: 2007: 2001: 1976: 1972: 1968: 1962: 1951: 1948:was venomous 1945: 1938: 1906:(1): 22–50. 1903: 1899: 1889: 1848: 1844: 1831: 1806: 1754: 1750: 1746: 1720: 1716: 1703: 1675: 1668: 1635: 1631: 1625: 1606: 1602: 1556: 1552: 1539: 1519:Velociraptor 1517: 1510: 1503: 1463: 1453: 1436: 1430: 1424: 1418: 1412: 1392: 1391: 1283: 1282: 1281: 1260: 1259: 1245:Cryptovolans 1243: 1242: 1201: 1200: 1178: 1177: 1153: 1152: 1122: 1121: 1100:Tianyuraptor 1098: 1097: 1049: 1029: 1007: 969: 968: 943:Unenlagiinae 941: 913: 912: 892: 887: 883: 876:M. zhaoianus 875: 863: 859: 853: 848: 843: 839: 837: 832: 828: 825:Phylogenetic 823: 816: 812: 804: 800: 788: 786: 780: 761: 753: 749: 745: 741: 737: 733: 729: 725: 722:type species 717: 713: 711: 707:dromaeosaurs 702: 698: 694: 678: 672: 666: 654: 653: 629: 626:Darren Naish 621: 615: 611: 609: 587: 581: 567: 564: 558: 556: 550: 547: 535: 526: 524: 517:Cast of the 504:Paleobiology 489: 484: 482: 477: 472: 463: 459: 446: 444: 439: 423: 422: 413: 410:dromaeosaurs 405: 403: 345: 344: 343: 329: 328: 316: 315: 293: 292: 283:Type species 256: 255: 233: 207: 194: 181: 129: 24: 18: 3437:Wikispecies 3280:Linheraptor 3258:Deinonychus 3209:Yurgovuchia 3165:Deinonychus 3122:Bambiraptor 3087:Vectiraptor 3065:Bambiraptor 3004:Microraptor 2915:Pamparaptor 2850:Natovenator 2689:Maniraptora 2674:Maniraptora 2329:(3): 57–63. 2018:: 109–111. 1979:: 103–107. 1505:Microraptor 1426:Caudipteryx 1180:Microraptor 1155:Microraptor 888:S. millenii 856:apomorphies 844:S. millenii 840:S. millenii 833:Microraptor 829:S. millenii 783:and NGMC 91 781:S. millenii 754:S. millenii 734:S. millenii 718:S. millenii 679:S. millenii 668:Deinonychus 622:S. millenii 617:Microraptor 440:S. millenii 430:Description 317:S. millenii 130:S. millenii 3500:Categories 3376:See also: 3250:Boreonykus 3202:Utahraptor 2953:Variraptor 2922:Pyroraptor 2800:Variraptor 2778:Pyroraptor 2710:see below↓ 2586:Dinosauria 2577:Sauropsida 1531:References 915:Xiaotingia 858:with both 750:S. haoiana 738:S. haoiana 726:S. haoiana 695:S. haoiana 674:Utahraptor 592:cathemeral 500:feathers. 416:and other 369:Cretaceous 330:S. haoiana 201:Saurischia 188:Dinosauria 3243:Adasaurus 2938:Unenlagia 2930:Rahonavis 2836:Hulsanpes 2662:Theropoda 2647:Theropoda 2595:Theropoda 2563:Kingdom: 2257:2246/6352 2243:: 1–206. 2032:129716572 1881:205219587 1695:985402380 1512:Rahonavis 1465:Lycoptera 663:predatory 378:) of the 376:Barremian 359:feathered 214:Theropoda 161:Kingdom: 155:Eukaryota 35:Barremian 3422:Wikidata 3388:Category 3378:Timeline 3295:Nuthetes 3216:Zapsalis 3187:Itemirus 2961:Ypupiara 2843:Mahakala 2771:Daurlong 2571:Chordata 2569:Phylum: 2565:Animalia 2481:22615813 2441:PLOS ONE 2422:21726330 2381:83726237 2281:(2024). 2265:83572446 2212:Archived 2209:abstract 2170:19289829 2101:33253407 2093:21493820 1993:84259940 1930:31538399 1873:20107440 1779:11242078 1729:44178386 1472:See also 793:Ji Qiang 551:millenii 531:venomous 519:holotype 473:barbules 418:avialans 395:Liaoning 365:dinosaur 305:Species 220:Family: 175:Chordata 171:Phylum: 165:Animalia 151:Domain: 3470:4822942 3457:4433563 3428:Q131267 3318:Tsaagan 2604:Paraves 2575:Class: 2472:3352940 2449:Bibcode 2348:: 1–20. 2161:2664043 2138:Bibcode 2073:Bibcode 2065:Science 1921:7004074 1853:Bibcode 1787:4426803 1759:Bibcode 1660:4430574 1640:Bibcode 1581:4424629 1561:Bibcode 1445:Beijing 1397:Beijing 880:dentary 868:caudals 762:haoiana 572:baboons 249:Genus: 109:↓ 3057:Balaur 3026:Wulong 2893:Diuqin 2785:Shanag 2479:  2469:  2420:  2379:  2291:  2263:  2168:  2158:  2099:  2091:  2030:  1991:  1928:  1918:  1879:  1871:  1845:Nature 1819:  1785:  1777:  1751:Nature 1727:  1693:  1683:  1658:  1632:Nature 1579:  1553:Nature 1460:Aptian 1429:, and 1401:fossil 971:Shanag 789:Nature 730:et al. 691:period 521:fossil 498:rufous 464:rachis 374:(late 372:Period 269:& 3483:68204 2600:Clade 2591:Clade 2582:Clade 2377:S2CID 2261:S2CID 2097:S2CID 2028:S2CID 1989:S2CID 1877:S2CID 1841:(PDF) 1783:S2CID 1725:S2CID 1713:(PDF) 1656:S2CID 1577:S2CID 1549:(PDF) 1449:China 494:black 460:barbs 451:birds 391:genus 384:China 355:genus 351:Greek 234:Clade 208:Clade 195:Clade 182:Clade 3465:GBIF 3311:Shri 3273:Kuru 2687:see 2660:see 2633:see 2477:PMID 2418:PMID 2289:ISBN 2203:link 2166:PMID 2089:PMID 1926:PMID 1869:PMID 1817:ISBN 1775:PMID 1691:OCLC 1681:ISBN 862:and 797:2001 671:and 496:and 492:had 468:bird 275:1999 267:Wang 48:Preęž’ 3452:EoL 2467:PMC 2457:doi 2408:doi 2369:doi 2309:410 2253:hdl 2245:doi 2241:371 2156:PMC 2146:doi 2134:106 2114:IN. 2081:doi 2069:332 2020:doi 2010:". 1981:doi 1971:". 1916:PMC 1908:doi 1861:doi 1849:463 1813:192 1767:doi 1755:410 1648:doi 1636:401 1611:doi 1569:doi 1557:400 1443:in 1182:gui 1157:sp. 791:by 687:age 586:of 357:of 37:), 3502:: 3480:: 3467:: 3454:: 3439:: 3424:: 2602:: 2593:: 2584:: 2475:. 2465:. 2455:. 2443:. 2439:. 2416:. 2404:24 2402:. 2398:. 2375:. 2363:. 2344:. 2325:. 2259:. 2251:. 2239:. 2235:. 2223:^ 2199:}} 2195:{{ 2189:23 2187:. 2164:. 2154:. 2144:. 2132:. 2128:. 2095:. 2087:. 2079:. 2067:. 2026:. 2016:85 2014:. 1987:. 1977:85 1975:. 1954:, 1950:. 1924:. 1914:. 1904:95 1902:. 1898:. 1875:. 1867:. 1859:. 1847:. 1843:. 1815:. 1795:^ 1781:. 1773:. 1765:. 1753:. 1737:^ 1721:55 1719:. 1715:. 1689:. 1654:. 1646:. 1634:. 1607:41 1605:. 1601:. 1589:^ 1575:. 1567:. 1555:. 1551:. 1451:. 1447:, 1435:. 1423:, 1417:, 890:. 851:. 772:. 709:. 677:. 333:? 273:, 271:Wu 265:, 263:Xu 236:: 210:: 197:: 184:: 98:Pg 42:Ma 3306:? 3298:? 3290:? 3261:? 3253:? 3197:? 3168:? 3160:? 3125:? 3097:? 3082:? 3060:? 3021:? 2999:? 2974:? 2956:? 2948:? 2933:? 2925:? 2910:? 2888:? 2863:? 2821:? 2803:? 2788:? 2539:e 2532:t 2525:v 2483:. 2459:: 2451:: 2445:7 2424:. 2410:: 2383:. 2371:: 2365:5 2346:8 2327:9 2297:. 2267:. 2255:: 2247:: 2218:) 2207:( 2205:) 2172:. 2148:: 2140:: 2103:. 2083:: 2075:: 2034:. 2022:: 1995:. 1983:: 1932:. 1910:: 1883:. 1863:: 1855:: 1825:. 1789:. 1769:: 1761:: 1731:. 1697:. 1662:. 1650:: 1642:: 1619:. 1613:: 1583:. 1571:: 1563:: 1388:. 650:. 326:† 313:† 290:† 253:† 240:† 224:† 103:N 93:K 88:J 83:T 78:P 73:C 68:D 63:S 58:O 53:ęž’ 33:(

Index

Early Cretaceous
Barremian
Ma
Preęž’
ęž’
O
S
D
C
P
T
J
K
Pg
N

Scientific classification
Edit this classification
Eukaryota
Animalia
Chordata
Dinosauria
Saurischia
Theropoda
Dromaeosauridae
Microraptoria
Sinornithosaurus
Xu
Wang
Wu

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