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Sinornithosaurus

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1392: 3366: 958: 1066: 654: 3355: 3361: 525: 154: 3372: 133: 787: 614: 554: 1046: 1197: 3395: 446: 1300: 810:. 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 1278: 1491: 931: 987: 581:, 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 857:
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
1451: 639:, 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 846:. 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. 3546: 2213: 460:
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
2548: 1721:"A new tiny dromaeosaurid dinosaur from the Lower Cretaceous Jehol Group of western Liaoning and niche differentiation among the Jehol dromaeosaurids" 3475: 412:, dated to 124.5 million years ago. Additional specimens have been found in the younger Dawangzhangzi bed, dating to around 122 million years ago. 1465:
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".
1469:. This location is part of the Dawangzhangzi fossil beds, which have been dated to about 122 million years ago, during the early 1396: 3365: 481:
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
431:. Together these two facts demonstrate that the earliest dromaeosaurs were more like birds than the later dromaeosaurs were. 3354: 153: 2448:"New Dromaeosaurids (Dinosauria: Theropoda) from the Lower Cretaceous of Utah, and the Evolution of the Dromaeosaurid Tail" 568:
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
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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".
3415: 3521: 3488: 3398: 2207: 1213: 3453: 957: 1065: 3462: 2699: 2459: 2148: 2083: 1863: 1769: 1650: 1571: 842:. In a 2004 analysis, Phil Senter and colleagues found that it was, in fact, more closely related to 807: 285: 3116: 1509: 1504: 1422:; the same incredibly rich location where four dinosaurs with feathers were discovered previously, 1019: 653: 419:
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)".
786: 613: 3297: 3151: 3054: 2767: 2745: 2711: 2630: 2557: 2289: 2226: 1430: 1061: 1045: 1006: 911: 828: 819: 776: 768: 701: 669: 237: 2137:"A microraptorine (Dinosauria–Dromaeosauridae) from the Late Cretaceous of North America" 1954: 2463: 2152: 2087: 1867: 1773: 1654: 1575: 1196: 2955: 2482: 2447: 2171: 2136: 1931: 1906: 594: 553: 423:. He has also demonstrated that features of the skull and shoulder are very similar to 1610:"Evolutionary radiation of the Jehol Biota: chronological and ecological perspectives" 1556: 3510: 3276: 3190: 3082: 3067: 3006: 2999: 2992: 2982: 2917: 2910: 2839: 2423: 2042: 1891: 1442: 1272: 1134: 1096: 641: 372: 361: 253: 83: 2391: 2298:. Princeton field guides (3rd ed.). Princeton, NJ: Princeton University Press. 2275: 2111: 2003: 1739: 469:. The second type, including those on the arms, were composed of rows of filaments ( 3335: 3246: 3167: 3160: 3125: 3104: 3089: 3028: 2895: 2888: 2881: 2871: 2818: 2803: 2017:
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
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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
2903: 2795: 2575: 2267: 1781: 1685: 1470: 1411: 981: 582: 508: 401: 175: 3409: 2243: 1626: 1609: 818:, though they considered the exact species questionable. Meanwhile, 2526: 2259: 1662: 1583: 1459: 1390: 986: 785: 652: 612: 552: 541: 523: 504: 444: 394: 365: 2242:
Alan Hamilton Turner, Peter J. Makovicky and Mark Norell (2012).
3467: 897:. The authors concluded that NGMC 91 was a subadult specimen of 853:
led him to conclude that his earlier separation of NGMC 91 from
478: 3413: 2568: 2530: 1557:"Cretaceous age for the feathered dinosaurs of Liaoning, China" 2244:"A review of dromaeosaurid systematics and paravian phylogeny" 889:. On the other hand, it does possess a posteriorly bifurcated 601:
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.
336: 323: 300: 3422: 3236: 3150: 3115: 3053: 2981: 2870: 2828: 2765: 2710: 2683: 2656: 2629: 739:("Hao's Chinese bird-lizard") was described by Liu 2248:Bulletin of the American Museum of Natural History 2237: 2235: 1815: 2507:Student Science. 12 Jan. 2010. Web. 26 May 2015. 2353:Bulletin of the Gunma Museum of Natural History 2141:Proceedings of the National Academy of Sciences 1963:Proceedings of the National Academy of Sciences 881:that are three to four times the length of the 716:is consistent with feather evidence from other 477:), making them similar in structure to modern 408:. It was found in the Jianshangou beds of the 2542: 1809: 1807: 1414:with feather impressions, was recovered from 557:Some palaeontologists have hypothesized that 8: 2520:"Dinosaur fossil yields feathery structures" 2212:: CS1 maint: multiple names: authors list ( 1751: 1749: 1690:. Princeton University Press. p. 147. 617:Referred specimen, Hong Kong Science Museum 3410: 3059: 2773: 2762: 2689: 2662: 2635: 2626: 2565: 2549: 2535: 2527: 1603: 1601: 731:("millennium Chinese bird-lizard") is the 131: 31: 2481: 2471: 2422: 2170: 2160: 1930: 1625: 360:(derived from a combination of Latin and 1395:The holotype specimen on display at the 877:; however, as it "lacks elongate middle 3547:Multispecific non-avian dinosaur genera 1967:https://doi.org/10.1073/pnas.0912360107 1547: 832:), based on supposed wing proportions. 735:, described in 1999. A second species, 2295:The Princeton Field Guide to Dinosaurs 2205: 1687:The Princeton Field Guide to Dinosaurs 781:The Princeton Field Guide to Dinosaurs 364:, meaning 'Chinese bird-lizard') is a 2135:Longrich, N.R.; Currie, P.J. (2009). 826:(now usually considered a synonym of 7: 631:. Chatterjee and Templin 2004 found 2372:Journal of Systematic Palaeontology 1247: 1182: 1157: 1150: 1126: 1102: 1034: 1012: 1002: 973: 946: 917: 907: 759:specimens"; the authors considered 3517:Early Cretaceous dinosaurs of Asia 1536:Timeline of dromaeosaurid research 657:NGMC 91, nicknamed "Dave", at the 25: 1479:is also preserved near the foot. 143:fossil, Hong Kong Science Museum 3394: 3393: 3370: 3364: 3359: 3353: 2424:10.1111/j.1420-9101.2011.02349.x 1719:Xu, Xing; Qin, Zi-Chuan (2017). 1489: 1298: 1276: 1195: 1064: 1044: 985: 956: 929: 755:or variable among the number of 585:) have similarly grooved teeth. 152: 2411:Journal of Evolutionary Biology 2057:"Re: Venom in Sinornithosaurus" 1397:Paleozoological Museum of China 1: 3542:Fossil taxa described in 1999 1760:and the origin of feathers". 769:new informal combination name 473:) joined along a main shaft ( 397:. It was the fifth non–avian 346:Liu, Ji, Tang & Gao, 2004 2473:10.1371/journal.pone.0036790 2196:Geological Bulletin of China 2023:Paläontologische Zeitschrift 1984:Paläontologische Zeitschrift 1473:age. A specimen of the fish 885:", it cannot be referred to 790:Skeletal reconstructions of 494:A 2010 study indicated that 2518:Wang, L. (March 10, 2001). 893:, which is an apomorphy of 668:was a member of the family 3563: 763:to be a junior synonym of 659:Geological Museum of China 27:Extinct genus of dinosaurs 3383: 3351: 3062: 2776: 2761: 2742: 2692: 2665: 2638: 2625: 2564: 2384:10.1017/S1477201907002143 2035:10.1007/s12542-010-0076-7 1996:10.1007/s12542-010-0074-9 1822:. Firefly Books. p.  1684:Paul, Gregory S. (2016). 1291: 1269: 1252: 1245: 1210: 1187: 1180: 1162: 1155: 1148: 1131: 1124: 1107: 1100: 1059: 1039: 1032: 1017: 1010: 1000: 978: 971: 951: 944: 922: 915: 875:Sinornithosaurus millenii 860:Sinornithosaurus millenii 812:Sinornithosaurus millenii 753:Sinornithosaurus millenii 320: 315: 305:Sinornithosaurus millenii 299: 292: 149:Scientific classification 147: 139: 130: 34: 779:in the third edition of 700:of the Early Cretaceous 593:Comparisons between the 332:Xu, Wang, & Wu, 1999 310:Xu, Wang, & Wu, 1999 2334:Earth Science Frontiers 2162:10.1073/pnas.0811664106 2096:10.1126/science.1200043 1387:Discovery and specimens 751:"are either present in 449:Artist's impression of 1814:Naish, Darren (2012). 1728:Vertebrata PalAsiatica 1400: 858:belong to the species 795: 662: 618: 565: 533: 520:Possible venomous bite 453: 3537:Taxa named by Xu Xing 3489:Paleobiology Database 2405:Senter, Phil (2011). 1410:. An almost-complete 1394: 1214:Microraptor zhaoianus 871:Microraptor zhaoianus 789: 727:have been described. 656: 621:The possibility that 616: 556: 527: 448: 1955:The birdlike raptor 672:, a group of agile, 3532:Feathered dinosaurs 3117:Saurornitholestinae 2464:2012PLoSO...736790S 2153:2009PNAS..106.5002L 2088:2011Sci...332..705S 1876:10.1038/nature08740 1868:2010Natur.463.1075Z 1862:(7284): 1075–1078. 1774:2001Natur.410..200X 1655:1999Natur.401..262X 1576:1999Natur.400...58S 1510:Feathered dinosaurs 1505:Dinosaur coloration 1020:Saurornitholestinae 2322:(6832) 1084-1087. 2225:2007-09-28 at the 1911:Biological Reviews 1614:Geological Journal 1401: 904:Cladogram (2012): 824:Cryptovolans pauli 806:and colleagues in 796: 663: 619: 566: 534: 454: 415:Xu Xing described 399:feathered dinosaur 3504: 3503: 3416:Taxon identifiers 3407: 3406: 3379: 3378: 3349: 3348: 3345: 3344: 3314:Saurornitholestes 3205:Saurornitholestes 3141:Saurornitholestes 2830:Halszkaraptorinae 2757: 2756: 2753: 2752: 2738: 2737: 2734: 2733: 2730: 2729: 2417:(10): 2197–2216. 2305:978-0-691-23157-0 2147:(13): 5002–5007. 1923:10.1111/brv.12552 1833:978-1-77085-049-1 1768:(6825): 200–204. 1697:978-1-78684-190-2 1649:(6750): 262–266. 1608:Zhou, Z. (2006). 1467:Liaoning Province 1425:Protarchaeopteryx 1416:Liaoning Province 1383: 1382: 1374: 1373: 1365: 1364: 1356: 1355: 1347: 1346: 1338: 1337: 1329: 1328: 1320: 1319: 1311: 1310: 1234: 1233: 1225: 1224: 1086: 1085: 1077: 1076: 708:and the possible 696:in the Barremian 694:million years ago 353: 352: 347: 333: 288: 16:(Redirected from 3554: 3497: 3496: 3484: 3483: 3471: 3470: 3458: 3457: 3456: 3454:Sinornithosaurus 3443: 3442: 3441: 3424:Sinornithosaurus 3411: 3397: 3396: 3374: 3368: 3363: 3357: 3238:Velociraptorinae 3184:Dromaeosauroides 3060: 3044:Zhongjianosaurus 3022:Sinornithosaurus 2774: 2763: 2690: 2663: 2636: 2627: 2620: 2619: 2566: 2551: 2544: 2537: 2528: 2523: 2503:Ornes, Stephen. 2496: 2495: 2485: 2475: 2443: 2437: 2436: 2426: 2402: 2396: 2395: 2367: 2361: 2360: 2348: 2342: 2341: 2329: 2323: 2316: 2310: 2309: 2290:Paul, Gregory S. 2286: 2280: 2279: 2239: 2230: 2217: 2211: 2203: 2191: 2185: 2184: 2174: 2164: 2132: 2126: 2122: 2116: 2115: 2071: 2065: 2064: 2059:. Archived from 2053: 2047: 2046: 2019:Sinornithosaurus 2014: 2008: 2007: 1980:Sinornithosaurus 1975: 1969: 1957:Sinornithosaurus 1951: 1945: 1944: 1934: 1902: 1896: 1895: 1853: 1844: 1838: 1837: 1821: 1811: 1802: 1801: 1782:10.1038/35065589 1758:Sinornithosaurus 1753: 1744: 1743: 1725: 1716: 1710: 1709: 1681: 1675: 1674: 1638: 1632: 1631: 1629: 1620:(3–4): 377–393. 1605: 1596: 1595: 1561: 1552: 1499: 1497:Dinosaurs portal 1494: 1493: 1492: 1448:Sinornithosaurus 1420:Yixian Formation 1418:, China, in the 1404:Sinornithosaurus 1302: 1295:Sinornithosaurus 1280: 1248: 1199: 1183: 1158: 1151: 1127: 1103: 1068: 1048: 1042:Velociraptorinae 1035: 1013: 1003: 989: 974: 960: 947: 933: 918: 908: 895:Sinornithosaurus 883:dorsal vertebrae 816:Sinornithosaurus 757:Sinornithosaurus 725:Sinornithosaurus 714:Sinornithosaurus 710:Sinornithosaurus 692:lived about 125 666:Sinornithosaurus 623:Sinornithosaurus 599:Sinornithosaurus 589:Circadian rhythm 579:Sinornithosaurus 570:Sinornithosaurus 559:Sinornithosaurus 547:Sinornithosaurus 538:Sinornithosaurus 501:Sinornithosaurus 496:Sinornithosaurus 489:Sinornithosaurus 458:Sinornithosaurus 435:Sinornithosaurus 417:Sinornithosaurus 410:Yixian Formation 391:Yixian Formation 357:Sinornithosaurus 345: 338: 331: 325: 302: 272: 268:Sinornithosaurus 265: 252: 236: 157: 156: 135: 125: 55: 42:Early Cretaceous 40:Temporal range: 36:Sinornithosaurus 32: 21: 3562: 3561: 3557: 3556: 3555: 3553: 3552: 3551: 3527:Microraptorians 3507: 3506: 3505: 3500: 3492: 3487: 3479: 3474: 3466: 3461: 3452: 3451: 3446: 3437: 3436: 3431: 3418: 3408: 3403: 3375: 3341: 3298:Luanchuanraptor 3232: 3152:Dromaeosaurinae 3146: 3111: 3055:Eudromaeosauria 3049: 2977: 2866: 2824: 2770: 2768:Dromaeosauridae 2749: 2746:Dromaeosauridae 2726: 2712:Dromaeosauridae 2706: 2679: 2652: 2646:Avemetatarsalia 2631:Avemetatarsalia 2621: 2571: 2570: 2560: 2558:Dromaeosauridae 2555: 2522:. Science News. 2517: 2514: 2500: 2499: 2445: 2444: 2440: 2404: 2403: 2399: 2369: 2368: 2364: 2350: 2349: 2345: 2331: 2330: 2326: 2317: 2313: 2306: 2288: 2287: 2283: 2241: 2240: 2233: 2227:Wayback Machine 2204: 2193: 2192: 2188: 2134: 2133: 2129: 2123: 2119: 2082:(6030): 705–8. 2073: 2072: 2068: 2055: 2054: 2050: 2016: 2015: 2011: 1977: 1976: 1972: 1952: 1948: 1904: 1903: 1899: 1851: 1846: 1845: 1841: 1834: 1813: 1812: 1805: 1755: 1754: 1747: 1723: 1718: 1717: 1713: 1698: 1683: 1682: 1678: 1640: 1639: 1635: 1627:10.1002/gj.1045 1607: 1606: 1599: 1570:(6739): 58–61. 1559: 1554: 1553: 1549: 1544: 1495: 1490: 1488: 1485: 1431:Sinosauropteryx 1389: 1384: 1375: 1366: 1357: 1348: 1339: 1330: 1321: 1312: 1235: 1226: 1087: 1078: 1062:Dromaeosaurinae 1007:Eudromaeosauria 912:Dromaeosauridae 829:Microraptor gui 820:Stephen Czerkas 777:Gregory S. Paul 767:. In 2024, the 723:Two species of 670:Dromaeosauridae 651: 611: 591: 522: 517: 443: 393:in what is now 378:from the early 311: 308: 271: 263: 250: 238:Dromaeosauridae 234: 151: 126: 124: 123: 122: 121: 116: 111: 106: 101: 96: 91: 86: 81: 76: 71: 66: 61: 51:124.6–122  50: 49: 38: 28: 23: 22: 15: 12: 11: 5: 3560: 3558: 3550: 3549: 3544: 3539: 3534: 3529: 3524: 3519: 3509: 3508: 3502: 3501: 3499: 3498: 3485: 3472: 3459: 3444: 3428: 3426: 3420: 3419: 3414: 3405: 3404: 3402: 3401: 3391: 3384: 3381: 3380: 3377: 3376: 3352: 3350: 3347: 3346: 3343: 3342: 3340: 3339: 3332: 3325: 3318: 3310: 3302: 3294: 3287: 3280: 3273: 3265: 3257: 3250: 3242: 3240: 3234: 3233: 3231: 3230: 3223: 3216: 3209: 3201: 3194: 3187: 3180: 3172: 3164: 3156: 3154: 3148: 3147: 3145: 3144: 3137: 3129: 3121: 3119: 3113: 3112: 3110: 3109: 3101: 3094: 3086: 3079: 3072: 3063: 3057: 3051: 3050: 3048: 3047: 3040: 3033: 3025: 3018: 3011: 3003: 2996: 2988: 2986: 2979: 2978: 2976: 2975: 2968: 2960: 2956:Unquillosaurus 2952: 2945: 2937: 2929: 2922: 2914: 2907: 2900: 2892: 2885: 2877: 2875: 2868: 2867: 2865: 2864: 2857: 2850: 2843: 2835: 2833: 2826: 2825: 2823: 2822: 2815: 2807: 2800: 2792: 2785: 2777: 2771: 2766: 2759: 2758: 2755: 2754: 2751: 2750: 2743: 2740: 2739: 2736: 2735: 2732: 2731: 2728: 2727: 2725: 2724: 2723: 2722: 2716: 2714: 2708: 2707: 2705: 2704: 2703: 2702: 2693: 2687: 2681: 2680: 2678: 2677: 2676: 2675: 2666: 2660: 2654: 2653: 2651: 2650: 2649: 2648: 2639: 2633: 2623: 2622: 2618: 2617: 2608: 2599: 2590: 2584: 2578: 2569: 2562: 2561: 2556: 2554: 2553: 2546: 2539: 2531: 2525: 2524: 2513: 2512:External links 2510: 2509: 2508: 2498: 2497: 2438: 2397: 2378:(4): 429–463. 2362: 2343: 2324: 2311: 2304: 2281: 2231: 2186: 2127: 2117: 2066: 2063:on 2011-11-10. 2048: 2009: 1970: 1946: 1897: 1839: 1832: 1803: 1745: 1734:(2): 129–144. 1711: 1696: 1676: 1633: 1597: 1546: 1545: 1543: 1540: 1539: 1538: 1533: 1526: 1519: 1512: 1507: 1501: 1500: 1484: 1481: 1388: 1385: 1381: 1380: 1377: 1376: 1372: 1371: 1368: 1367: 1363: 1362: 1359: 1358: 1354: 1353: 1350: 1349: 1345: 1344: 1341: 1340: 1336: 1335: 1332: 1331: 1327: 1326: 1323: 1322: 1318: 1317: 1314: 1313: 1309: 1308: 1305: 1304: 1290: 1287: 1286: 1283: 1282: 1268: 1265: 1264: 1261: 1260: 1251: 1246: 1244: 1241: 1240: 1237: 1236: 1232: 1231: 1228: 1227: 1223: 1222: 1219: 1218: 1209: 1206: 1205: 1202: 1201: 1186: 1181: 1179: 1176: 1175: 1172: 1171: 1161: 1156: 1154: 1149: 1147: 1144: 1143: 1140: 1139: 1130: 1125: 1123: 1120: 1119: 1116: 1115: 1106: 1101: 1099: 1093: 1092: 1089: 1088: 1084: 1083: 1080: 1079: 1075: 1074: 1071: 1070: 1058: 1055: 1054: 1051: 1050: 1038: 1033: 1031: 1028: 1027: 1024: 1023: 1016: 1011: 1009: 1001: 999: 996: 995: 992: 991: 977: 972: 970: 967: 966: 963: 962: 950: 945: 943: 940: 939: 936: 935: 921: 916: 914: 906: 775:was coined by 771:"Jeholraptor" 650: 649:Classification 647: 610: 609:Flight/gliding 607: 590: 587: 521: 518: 516: 513: 442: 439: 351: 350: 349: 348: 334: 318: 317: 313: 312: 309: 297: 296: 290: 289: 261: 257: 256: 248: 241: 240: 232: 228: 227: 222: 215: 214: 209: 202: 201: 196: 189: 188: 183: 179: 178: 173: 169: 168: 163: 159: 158: 145: 144: 137: 136: 128: 127: 119: 118: 117: 112: 107: 102: 97: 92: 87: 82: 77: 72: 67: 62: 57: 56: 39: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 3559: 3548: 3545: 3543: 3540: 3538: 3535: 3533: 3530: 3528: 3525: 3523: 3520: 3518: 3515: 3514: 3512: 3495: 3490: 3486: 3482: 3477: 3473: 3469: 3464: 3460: 3455: 3449: 3445: 3440: 3434: 3430: 3429: 3427: 3425: 3421: 3417: 3412: 3400: 3392: 3390: 3386: 3385: 3382: 3373: 3369: 3367: 3362: 3356: 3338: 3337: 3333: 3331: 3330: 3326: 3324: 3323: 3319: 3316: 3315: 3311: 3308: 3307: 3303: 3300: 3299: 3295: 3293: 3292: 3288: 3286: 3285: 3281: 3279: 3278: 3277:Kansaignathus 3274: 3271: 3270: 3266: 3263: 3262: 3258: 3256: 3255: 3251: 3249: 3248: 3244: 3243: 3241: 3239: 3235: 3229: 3228: 3224: 3222: 3221: 3217: 3215: 3214: 3210: 3207: 3206: 3202: 3200: 3199: 3195: 3193: 3192: 3191:Dromaeosaurus 3188: 3186: 3185: 3181: 3178: 3177: 3173: 3170: 3169: 3165: 3163: 3162: 3158: 3157: 3155: 3153: 3149: 3143: 3142: 3138: 3135: 3134: 3130: 3128: 3127: 3123: 3122: 3120: 3118: 3114: 3107: 3106: 3102: 3100: 3099: 3095: 3092: 3091: 3087: 3085: 3084: 3083:Dineobellator 3080: 3078: 3077: 3073: 3070: 3069: 3065: 3064: 3061: 3058: 3056: 3052: 3046: 3045: 3041: 3039: 3038: 3034: 3031: 3030: 3026: 3024: 3023: 3019: 3017: 3016: 3012: 3009: 3008: 3007:Hesperonychus 3004: 3002: 3001: 3000:Graciliraptor 2997: 2995: 2994: 2993:Changyuraptor 2990: 2989: 2987: 2984: 2983:Microraptoria 2980: 2974: 2973: 2969: 2966: 2965: 2961: 2958: 2957: 2953: 2951: 2950: 2946: 2943: 2942: 2938: 2935: 2934: 2930: 2928: 2927: 2923: 2920: 2919: 2918:Ornithodesmus 2915: 2913: 2912: 2911:Neuquenraptor 2908: 2906: 2905: 2901: 2898: 2897: 2893: 2891: 2890: 2886: 2884: 2883: 2879: 2878: 2876: 2873: 2869: 2863: 2862: 2858: 2856: 2855: 2851: 2849: 2848: 2844: 2842: 2841: 2840:Halszkaraptor 2837: 2836: 2834: 2831: 2827: 2821: 2820: 2816: 2813: 2812: 2808: 2806: 2805: 2801: 2798: 2797: 2793: 2791: 2790: 2786: 2784: 2783: 2779: 2778: 2775: 2772: 2769: 2764: 2760: 2748: 2747: 2741: 2720: 2719: 2718: 2717: 2715: 2713: 2709: 2701: 2697: 2696: 2695: 2694: 2691: 2688: 2686: 2682: 2674: 2670: 2669: 2668: 2667: 2664: 2661: 2659: 2655: 2647: 2643: 2642: 2641: 2640: 2637: 2634: 2632: 2628: 2624: 2616: 2612: 2609: 2607: 2603: 2600: 2598: 2594: 2591: 2589: 2585: 2583: 2579: 2577: 2573: 2572: 2567: 2563: 2559: 2552: 2547: 2545: 2540: 2538: 2533: 2532: 2529: 2521: 2516: 2515: 2511: 2506: 2502: 2501: 2493: 2489: 2484: 2479: 2474: 2469: 2465: 2461: 2458:(5): e36790. 2457: 2453: 2449: 2442: 2439: 2434: 2430: 2425: 2420: 2416: 2412: 2408: 2401: 2398: 2393: 2389: 2385: 2381: 2377: 2373: 2366: 2363: 2358: 2354: 2347: 2344: 2339: 2335: 2328: 2325: 2321: 2315: 2312: 2307: 2301: 2297: 2296: 2291: 2285: 2282: 2277: 2273: 2269: 2265: 2261: 2260:10.1206/748.1 2257: 2253: 2249: 2245: 2238: 2236: 2232: 2228: 2224: 2221: 2215: 2209: 2202:(8): 778–783. 2201: 2197: 2190: 2187: 2182: 2178: 2173: 2168: 2163: 2158: 2154: 2150: 2146: 2142: 2138: 2131: 2128: 2121: 2118: 2113: 2109: 2105: 2101: 2097: 2093: 2089: 2085: 2081: 2077: 2070: 2067: 2062: 2058: 2052: 2049: 2044: 2040: 2036: 2032: 2028: 2024: 2020: 2013: 2010: 2005: 2001: 1997: 1993: 1989: 1985: 1981: 1974: 1971: 1968: 1964: 1960: 1958: 1950: 1947: 1942: 1938: 1933: 1928: 1924: 1920: 1916: 1912: 1908: 1901: 1898: 1893: 1889: 1885: 1881: 1877: 1873: 1869: 1865: 1861: 1857: 1850: 1843: 1840: 1835: 1829: 1825: 1820: 1819: 1810: 1808: 1804: 1799: 1795: 1791: 1787: 1783: 1779: 1775: 1771: 1767: 1763: 1759: 1752: 1750: 1746: 1741: 1737: 1733: 1729: 1722: 1715: 1712: 1707: 1703: 1699: 1693: 1689: 1688: 1680: 1677: 1672: 1668: 1664: 1663:10.1038/45769 1660: 1656: 1652: 1648: 1644: 1637: 1634: 1628: 1623: 1619: 1615: 1611: 1604: 1602: 1598: 1593: 1589: 1585: 1584:10.1038/21872 1581: 1577: 1573: 1569: 1565: 1558: 1551: 1548: 1541: 1537: 1534: 1532: 1531: 1527: 1525: 1524: 1520: 1518: 1517: 1513: 1511: 1508: 1506: 1503: 1502: 1498: 1487: 1482: 1480: 1478: 1477: 1472: 1468: 1463: 1461: 1457: 1453: 1449: 1445: 1444: 1443:Beipiaosaurus 1439: 1438: 1433: 1432: 1427: 1426: 1421: 1417: 1413: 1409: 1405: 1398: 1393: 1386: 1379: 1378: 1370: 1369: 1361: 1360: 1352: 1351: 1343: 1342: 1334: 1333: 1325: 1324: 1316: 1315: 1307: 1306: 1303: 1301: 1297: 1296: 1289: 1288: 1285: 1284: 1281: 1279: 1275: 1274: 1273:Graciliraptor 1267: 1266: 1263: 1262: 1259: 1258: 1257: 1250: 1249: 1243: 1242: 1239: 1238: 1230: 1229: 1221: 1220: 1217: 1216: 1215: 1208: 1207: 1204: 1203: 1200: 1198: 1194: 1192: 1185: 1184: 1178: 1177: 1174: 1173: 1170: 1169: 1167: 1160: 1159: 1153: 1152: 1146: 1145: 1142: 1141: 1138: 1137: 1136: 1135:Hesperonychus 1129: 1128: 1122: 1121: 1118: 1117: 1114: 1113: 1112: 1105: 1104: 1098: 1097:Microraptoria 1095: 1094: 1091: 1090: 1082: 1081: 1073: 1072: 1069: 1067: 1063: 1057: 1056: 1053: 1052: 1049: 1047: 1043: 1037: 1036: 1030: 1029: 1026: 1025: 1022: 1021: 1015: 1014: 1008: 1005: 1004: 998: 997: 994: 993: 990: 988: 984: 983: 976: 975: 969: 968: 965: 964: 961: 959: 955: 949: 948: 942: 941: 938: 937: 934: 932: 928: 927: 920: 919: 913: 910: 909: 905: 902: 900: 896: 892: 888: 884: 880: 876: 872: 868: 863: 861: 856: 852: 847: 845: 841: 837: 833: 831: 830: 825: 821: 817: 813: 809: 805: 801: 793: 788: 784: 782: 778: 774: 770: 766: 762: 758: 754: 750: 746: 742: 738: 734: 730: 726: 721: 719: 715: 711: 707: 703: 699: 695: 691: 687: 686: 681: 680: 675: 671: 667: 660: 655: 648: 646: 644: 643: 642:Changyuraptor 638: 634: 630: 629: 624: 615: 608: 606: 604: 600: 596: 595:scleral rings 588: 586: 584: 580: 574: 571: 563: 560: 555: 551: 548: 543: 539: 531: 526: 519: 514: 512: 510: 506: 502: 497: 492: 490: 486: 485: 480: 476: 472: 468: 467:down feathers 463: 459: 456:Specimens of 452: 447: 440: 438: 436: 432: 430: 426: 425:Archaeopteryx 422: 418: 413: 411: 407: 403: 400: 396: 392: 388: 384: 381: 377: 374: 373:dromaeosaurid 371: 367: 363: 359: 358: 343: 342: 335: 330: 329: 322: 321: 319: 314: 307: 306: 298: 295: 291: 287: 283: 279: 275: 270: 269: 262: 259: 258: 255: 254:Microraptoria 249: 246: 243: 242: 239: 233: 230: 229: 226: 223: 220: 217: 216: 213: 210: 207: 204: 203: 200: 197: 194: 191: 190: 187: 184: 181: 180: 177: 174: 171: 170: 167: 164: 161: 160: 155: 150: 146: 142: 138: 134: 129: 115: 110: 105: 100: 95: 90: 85: 80: 75: 70: 65: 60: 54: 47: 43: 37: 33: 30: 19: 3522:Yixian fauna 3423: 3358: 3336:Velociraptor 3334: 3327: 3320: 3312: 3304: 3296: 3289: 3282: 3275: 3267: 3259: 3252: 3247:Acheroraptor 3245: 3225: 3218: 3211: 3203: 3196: 3189: 3182: 3174: 3168:Dakotaraptor 3166: 3161:Achillobator 3159: 3139: 3131: 3126:Atrociraptor 3124: 3105:Zhenyuanlong 3103: 3096: 3090:Tianyuraptor 3088: 3081: 3074: 3066: 3042: 3035: 3029:Tianyuraptor 3027: 3021: 3020: 3013: 3005: 2998: 2991: 2970: 2962: 2954: 2947: 2939: 2931: 2924: 2916: 2909: 2902: 2896:Dakotaraptor 2894: 2889:Buitreraptor 2887: 2882:Austroraptor 2880: 2872:Unenlagiinae 2859: 2852: 2845: 2838: 2819:Zhenyuanlong 2817: 2809: 2804:Tianyuraptor 2802: 2794: 2787: 2780: 2744: 2610: 2601: 2592: 2505:"Dino-bite!" 2455: 2451: 2441: 2414: 2410: 2400: 2375: 2371: 2365: 2356: 2352: 2346: 2337: 2333: 2327: 2319: 2314: 2294: 2284: 2251: 2247: 2208:cite journal 2199: 2195: 2189: 2144: 2140: 2130: 2120: 2079: 2075: 2069: 2061:the original 2051: 2026: 2022: 2018: 2012: 1987: 1983: 1979: 1973: 1962: 1959:was venomous 1956: 1949: 1917:(1): 22–50. 1914: 1910: 1900: 1859: 1855: 1842: 1817: 1765: 1761: 1757: 1731: 1727: 1714: 1686: 1679: 1646: 1642: 1636: 1617: 1613: 1567: 1563: 1550: 1530:Velociraptor 1528: 1521: 1514: 1474: 1464: 1447: 1441: 1435: 1429: 1423: 1403: 1402: 1294: 1293: 1292: 1271: 1270: 1256:Cryptovolans 1254: 1253: 1212: 1211: 1189: 1188: 1164: 1163: 1133: 1132: 1111:Tianyuraptor 1109: 1108: 1060: 1040: 1018: 980: 979: 954:Unenlagiinae 952: 924: 923: 903: 898: 894: 887:M. zhaoianus 886: 874: 870: 864: 859: 854: 850: 848: 843: 839: 836:Phylogenetic 834: 827: 823: 815: 811: 799: 797: 791: 772: 764: 760: 756: 752: 748: 744: 740: 736: 733:type species 728: 724: 722: 718:dromaeosaurs 713: 709: 705: 689: 683: 677: 665: 664: 640: 637:Darren Naish 632: 626: 622: 620: 598: 592: 578: 575: 569: 567: 561: 558: 546: 537: 535: 528:Cast of the 515:Paleobiology 500: 495: 493: 488: 483: 474: 470: 457: 455: 450: 434: 433: 424: 421:dromaeosaurs 416: 414: 356: 355: 354: 340: 339: 327: 326: 304: 303: 294:Type species 267: 266: 244: 218: 205: 192: 140: 35: 29: 3448:Wikispecies 3291:Linheraptor 3269:Deinonychus 3220:Yurgovuchia 3176:Deinonychus 3133:Bambiraptor 3098:Vectiraptor 3076:Bambiraptor 3015:Microraptor 2926:Pamparaptor 2861:Natovenator 2700:Maniraptora 2685:Maniraptora 2340:(3): 57–63. 2029:: 109–111. 1990:: 103–107. 1516:Microraptor 1437:Caudipteryx 1191:Microraptor 1166:Microraptor 899:S. millenii 867:apomorphies 855:S. millenii 851:S. millenii 844:Microraptor 840:S. millenii 794:and NGMC 91 792:S. millenii 765:S. millenii 745:S. millenii 729:S. millenii 690:S. millenii 679:Deinonychus 633:S. millenii 628:Microraptor 451:S. millenii 441:Description 328:S. millenii 141:S. millenii 3511:Categories 3387:See also: 3261:Boreonykus 3213:Utahraptor 2964:Variraptor 2933:Pyroraptor 2811:Variraptor 2789:Pyroraptor 2721:see below↓ 2597:Dinosauria 2588:Sauropsida 1542:References 926:Xiaotingia 869:with both 761:S. haoiana 749:S. haoiana 737:S. haoiana 706:S. haoiana 685:Utahraptor 603:cathemeral 511:feathers. 427:and other 380:Cretaceous 341:S. haoiana 212:Saurischia 199:Dinosauria 3254:Adasaurus 2949:Unenlagia 2941:Rahonavis 2847:Hulsanpes 2673:Theropoda 2658:Theropoda 2606:Theropoda 2574:Kingdom: 2268:2246/6352 2254:: 1–206. 2043:129716572 1892:205219587 1706:985402380 1523:Rahonavis 1476:Lycoptera 674:predatory 389:) of the 387:Barremian 370:feathered 225:Theropoda 172:Kingdom: 166:Eukaryota 46:Barremian 3433:Wikidata 3399:Category 3389:Timeline 3306:Nuthetes 3227:Zapsalis 3198:Itemirus 2972:Ypupiara 2854:Mahakala 2782:Daurlong 2582:Chordata 2580:Phylum: 2576:Animalia 2492:22615813 2452:PLOS ONE 2433:21726330 2392:83726237 2292:(2024). 2276:83572446 2223:Archived 2220:abstract 2181:19289829 2112:33253407 2104:21493820 2004:84259940 1941:31538399 1884:20107440 1790:11242078 1740:44178386 1483:See also 804:Ji Qiang 562:millenii 542:venomous 530:holotype 484:barbules 429:avialans 406:Liaoning 376:dinosaur 316:Species 231:Family: 186:Chordata 182:Phylum: 176:Animalia 162:Domain: 3481:4822942 3468:4433563 3439:Q131267 3329:Tsaagan 2615:Paraves 2586:Class: 2483:3352940 2460:Bibcode 2359:: 1–20. 2172:2664043 2149:Bibcode 2084:Bibcode 2076:Science 1932:7004074 1864:Bibcode 1798:4426803 1770:Bibcode 1671:4430574 1651:Bibcode 1592:4424629 1572:Bibcode 1456:Beijing 1408:Beijing 891:dentary 879:caudals 773:haoiana 583:baboons 260:Genus: 120:↓ 18:NGMC 91 3068:Balaur 3037:Wulong 2904:Diuqin 2796:Shanag 2490:  2480:  2431:  2390:  2302:  2274:  2179:  2169:  2110:  2102:  2041:  2002:  1939:  1929:  1890:  1882:  1856:Nature 1830:  1796:  1788:  1762:Nature 1738:  1704:  1694:  1669:  1643:Nature 1590:  1564:Nature 1471:Aptian 1440:, and 1412:fossil 982:Shanag 800:Nature 741:et al. 702:period 532:fossil 509:rufous 475:rachis 385:(late 383:Period 280:& 3494:68204 2611:Clade 2602:Clade 2593:Clade 2388:S2CID 2272:S2CID 2108:S2CID 2039:S2CID 2000:S2CID 1888:S2CID 1852:(PDF) 1794:S2CID 1736:S2CID 1724:(PDF) 1667:S2CID 1588:S2CID 1560:(PDF) 1460:China 505:black 471:barbs 462:birds 402:genus 395:China 366:genus 362:Greek 245:Clade 219:Clade 206:Clade 193:Clade 3476:GBIF 3322:Shri 3284:Kuru 2698:see 2671:see 2644:see 2488:PMID 2429:PMID 2300:ISBN 2214:link 2177:PMID 2100:PMID 1937:PMID 1880:PMID 1828:ISBN 1786:PMID 1702:OCLC 1692:ISBN 873:and 808:2001 682:and 507:and 503:had 479:bird 286:1999 278:Wang 59:Preęž’ 3463:EoL 2478:PMC 2468:doi 2419:doi 2380:doi 2320:410 2264:hdl 2256:doi 2252:371 2167:PMC 2157:doi 2145:106 2125:IN. 2092:doi 2080:332 2031:doi 2021:". 1992:doi 1982:". 1927:PMC 1919:doi 1872:doi 1860:463 1824:192 1778:doi 1766:410 1659:doi 1647:401 1622:doi 1580:doi 1568:400 1454:in 1193:gui 1168:sp. 802:by 698:age 597:of 368:of 48:), 3513:: 3491:: 3478:: 3465:: 3450:: 3435:: 2613:: 2604:: 2595:: 2486:. 2476:. 2466:. 2454:. 2450:. 2427:. 2415:24 2413:. 2409:. 2386:. 2374:. 2355:. 2336:. 2270:. 2262:. 2250:. 2246:. 2234:^ 2210:}} 2206:{{ 2200:23 2198:. 2175:. 2165:. 2155:. 2143:. 2139:. 2106:. 2098:. 2090:. 2078:. 2037:. 2027:85 2025:. 1998:. 1988:85 1986:. 1965:, 1961:. 1935:. 1925:. 1915:95 1913:. 1909:. 1886:. 1878:. 1870:. 1858:. 1854:. 1826:. 1806:^ 1792:. 1784:. 1776:. 1764:. 1748:^ 1732:55 1730:. 1726:. 1700:. 1665:. 1657:. 1645:. 1618:41 1616:. 1612:. 1600:^ 1586:. 1578:. 1566:. 1562:. 1462:. 1458:, 1446:. 1434:, 1428:, 901:. 862:. 783:. 720:. 688:. 344:? 284:, 282:Wu 276:, 274:Xu 247:: 221:: 208:: 195:: 109:Pg 53:Ma 3317:? 3309:? 3301:? 3272:? 3264:? 3208:? 3179:? 3171:? 3136:? 3108:? 3093:? 3071:? 3032:? 3010:? 2985:? 2967:? 2959:? 2944:? 2936:? 2921:? 2899:? 2874:? 2832:? 2814:? 2799:? 2550:e 2543:t 2536:v 2494:. 2470:: 2462:: 2456:7 2435:. 2421:: 2394:. 2382:: 2376:5 2357:8 2338:9 2308:. 2278:. 2266:: 2258:: 2229:) 2218:( 2216:) 2183:. 2159:: 2151:: 2114:. 2094:: 2086:: 2045:. 2033:: 2006:. 1994:: 1943:. 1921:: 1894:. 1874:: 1866:: 1836:. 1800:. 1780:: 1772:: 1742:. 1708:. 1673:. 1661:: 1653:: 1630:. 1624:: 1594:. 1582:: 1574:: 1399:. 661:. 337:† 324:† 301:† 264:† 251:† 235:† 114:N 104:K 99:J 94:T 89:P 84:C 79:D 74:S 69:O 64:ęž’ 44:( 20:)

Index

NGMC 91
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

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