1483:
1488:
136:
1511:
118:
521:
489:
The holotype specimen lacks traces of feathers, but He and colleagues speculated that they were probably present based on its pygostyle, the anchor point of long tail feathers (rectrices) in modern birds.
413:
stage, about 112 million years old. It consists of a nearly complete skeleton of an adult individual compressed on a plate, that however lacks the skull, the front neck and the hands.
472:(the bone at the end of the tail to which feathers anchor in birds) consisting of the two most extreme tail vertebrae and several unique features of the back vertebrae. The
689:
624:
1630:
772:
1576:
1640:
1504:
534:
554:
Yuan Wang; Jones Marc E.H.; Evans Susan E. (2007). "A juvenile anuran from the Lower
Cretaceous Jiufotang Formation, Liaoning, China".
1482:
765:
135:
592:"A new genus and species of caudipterid dinosaur from the Lower Cretaceous Jiufotang Formation of western Liaoning, China"
1645:
1487:
428:
stage, about 124 million years ago. However, these have since been re-interpreted as belonging to the related species
638:
Xu, X., Zheng, X. and You, H. (2010). "Exceptional dinosaur fossils show ontogenetic development of early feathers".
420:, one of a juvenile, STM4-1, and the other of a much larger juvenile, STM22-6. Both were reported as found in the
758:
1650:
1635:
1514:
869:
430:
591:
371:
1531:
1602:
1154:
683:
618:
267:
486:, though the feature is widespread in more advanced birds and appears to have evolved at least twice.
1563:
923:
647:
244:
1045:
394:
375:
350:
896:
671:
354:
130:
1607:
464:, it had a short snout with a downcurved lower jaw. It had relatively short arms and long legs.
1589:
1038:
720:
663:
402:
1594:
1258:
991:
969:
935:
781:
712:
655:
563:
526:
421:
320:
30:
704:
1183:
1096:
1080:
854:
438:
651:
460:. Paul in 2010 estimated the length at one metre, the weight at seven kilogrammes. Like
1451:
1437:
1244:
1221:
1106:
1031:
1016:
416:
In 2010, two additional specimens with extensive feather preservation were referred to
1624:
1423:
1401:
1342:
1326:
1273:
1147:
1133:
1057:
675:
502:
323:
219:
68:
456:
was a small oviraptorosaur similar to, but larger than, the perhaps closely related
1394:
1350:
1308:
1251:
1194:
1168:
838:
477:
339:
567:
1444:
1377:
1315:
1237:
1230:
1066:
908:
366:
304:
117:
43:
1458:
1409:
1286:
1210:
1140:
1126:
1119:
820:
811:
716:
516:
473:
193:
88:
53:
1554:
724:
1416:
1365:
1358:
1293:
1161:
1023:
881:
829:
506:
469:
206:
147:
93:
37:
667:
334:
In 2007 the find of a new caudipterid was reported. In 2008 the new genus
1548:
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805:
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386:
316:
313:
180:
167:
83:
78:
63:
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48:
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1581:
1203:
98:
73:
799:
425:
410:
406:
346:
157:
1525:
750:
1430:
1386:
398:
358:
309:
1568:
480:. The only other oviraptorosaur reported to have a pygostyle is
364:, "resembling", refers to its similarity to the closely related
1529:
792:
754:
468:
also differed from its relatives by possessing a dagger-shaped
703:
Foth, Christian; Rauhut, Oliver W. M., eds. (2020).
409:
stage, about 120 million years ago or perhaps early
1538:
1376:
1325:
1272:
1220:
1193:
1105:
1094:
1056:
989:
934:
907:
880:
853:
766:
590:He, T., Wang, X.-L., and Zhou, Z.-H. (2008).
8:
688:: CS1 maint: multiple names: authors list (
623:: CS1 maint: multiple names: authors list (
585:
583:
581:
579:
577:
509:analysis of its position was not performed.
308:" (which itself means "tail feather"), is a
1526:
1278:
1111:
1102:
1001:
997:
986:
913:
886:
859:
850:
789:
773:
759:
751:
736:
734:
116:
20:
382:is the only species named in the genus.
546:
476:was exceptionally long relative to the
742:The Princeton Field Guide to Dinosaurs
681:
616:
501:was by its describers assigned to the
7:
445:, but this has found no acceptance.
744:, Princeton University Press p. 149
535:Timeline of oviraptorosaur research
1631:Early Cretaceous dinosaurs of Asia
14:
357:. The generic name, derived from
1510:
1509:
1486:
1481:
519:
134:
374:refers to its provenance from
1:
1641:Fossil taxa described in 2008
568:10.1016/j.cretres.2006.07.003
345:, was named and described by
343:Similicaudipteryx yixianensis
280:Similicaudipteryx yixianensis
705:"The Evolution of Feathers"
125:Restored holotype skeleton
1667:
16:Extinct genus of dinosaurs
1499:
1479:
1281:
1114:
1004:
1000:
985:
966:
916:
889:
862:
849:
788:
717:10.1007/978-3-030-27223-4
709:Fascinating Life Sciences
393:, was recovered from the
273:
266:
131:Scientific classification
129:
124:
115:
23:
431:Incisivosaurus gauthieri
443:Caudipteryx yixianensis
441:renamed the species to
599:Vertebrata PalAsiatica
424:, dating to the early
401:, dating to the early
302:, meaning "similar to
1603:Paleobiology Database
330:Discovery and naming
1646:Feathered dinosaurs
1046:Scansoriopterygidae
660:10.1038/nature08965
652:2010Natur.464.1338X
646:(7293): 1338β1341.
556:Cretaceous Research
395:Jiufotang Formation
259:S. yixianensis
740:Paul, G.S., 2010,
1618:
1617:
1590:Open Tree of Life
1540:Similicaudipteryx
1532:Taxon identifiers
1523:
1522:
1495:
1494:
1477:
1476:
1473:
1472:
1469:
1468:
1268:
1267:
1090:
1089:
1074:Similicaudipteryx
1039:Protarchaeopteryx
981:
980:
977:
976:
962:
961:
958:
957:
954:
953:
499:Similicaudipteryx
466:Similicaudipteryx
454:Similicaudipteryx
418:Similicaudipteryx
403:Cretaceous Period
336:Similicaudipteryx
299:Similicaudipteryx
295:
294:
247:
234:Similicaudipteryx
25:Similicaudipteryx
1658:
1611:
1610:
1598:
1597:
1585:
1584:
1572:
1571:
1559:
1558:
1557:
1527:
1513:
1512:
1490:
1485:
1279:
1259:Epichirostenotes
1112:
1103:
1002:
998:
992:Oviraptorosauria
987:
970:Oviraptorosauria
936:Oviraptorosauria
914:
887:
860:
851:
844:
843:
790:
782:Oviraptorosauria
775:
768:
761:
752:
745:
738:
729:
728:
700:
694:
693:
687:
679:
635:
629:
628:
622:
614:
612:
610:
596:
587:
572:
571:
551:
529:
527:Dinosaurs portal
524:
523:
522:
422:Yixian Formation
397:of northeastern
282:
278:
238:
231:
218:
139:
138:
120:
110:
40:
31:Early Cretaceous
29:Temporal range:
21:
1666:
1665:
1661:
1660:
1659:
1657:
1656:
1655:
1651:Jiufotang fauna
1636:Oviraptorosaurs
1621:
1620:
1619:
1614:
1606:
1601:
1593:
1588:
1580:
1575:
1567:
1562:
1553:
1552:
1547:
1534:
1524:
1519:
1491:
1465:
1372:
1321:
1264:
1216:
1189:
1184:Ojoraptorsaurus
1099:
1097:Caenagnathoidea
1086:
1081:Xingtianosaurus
1052:
994:
973:
950:
930:
903:
876:
870:Avemetatarsalia
855:Avemetatarsalia
845:
795:
794:
784:
779:
749:
748:
739:
732:
702:
701:
697:
680:
637:
636:
632:
615:
608:
606:
594:
589:
588:
575:
553:
552:
548:
543:
525:
520:
518:
515:
496:
451:
439:Gregory S. Paul
332:
291:
284:
276:
275:
262:
237:
229:
216:
133:
111:
109:
108:
107:
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101:
96:
91:
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81:
76:
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66:
61:
56:
51:
46:
35:
34:
27:
17:
12:
11:
5:
1664:
1662:
1654:
1653:
1648:
1643:
1638:
1633:
1623:
1622:
1616:
1615:
1613:
1612:
1599:
1586:
1573:
1560:
1544:
1542:
1536:
1535:
1530:
1521:
1520:
1518:
1517:
1507:
1500:
1497:
1496:
1493:
1492:
1480:
1478:
1475:
1474:
1471:
1470:
1467:
1466:
1464:
1463:
1455:
1448:
1441:
1438:Machairasaurus
1434:
1427:
1420:
1413:
1406:
1398:
1391:
1382:
1380:
1374:
1373:
1371:
1370:
1362:
1355:
1347:
1339:
1331:
1329:
1323:
1322:
1320:
1319:
1312:
1305:
1297:
1290:
1282:
1276:
1270:
1269:
1266:
1265:
1263:
1262:
1255:
1248:
1245:Caenagnathasia
1241:
1234:
1226:
1224:
1222:Caenagnathinae
1218:
1217:
1215:
1214:
1207:
1199:
1197:
1191:
1190:
1188:
1187:
1180:
1172:
1165:
1158:
1151:
1144:
1137:
1130:
1123:
1115:
1109:
1107:Caenagnathidae
1100:
1095:
1092:
1091:
1088:
1087:
1085:
1084:
1077:
1070:
1062:
1060:
1054:
1053:
1051:
1050:
1042:
1035:
1032:Ningyuansaurus
1028:
1020:
1017:Incisivosaurus
1013:
1005:
995:
990:
983:
982:
979:
978:
975:
974:
967:
964:
963:
960:
959:
956:
955:
952:
951:
949:
948:
947:
946:
940:
938:
932:
931:
929:
928:
927:
926:
917:
911:
905:
904:
902:
901:
900:
899:
890:
884:
878:
877:
875:
874:
873:
872:
863:
857:
847:
846:
842:
841:
832:
823:
814:
808:
802:
793:
786:
785:
780:
778:
777:
770:
763:
755:
747:
746:
730:
695:
630:
573:
562:(2): 235β244.
545:
544:
542:
539:
538:
537:
531:
530:
514:
511:
495:
492:
450:
447:
380:S. yixianensis
331:
328:
293:
292:
285:
271:
270:
264:
263:
255:
253:
249:
248:
227:
223:
222:
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197:
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87:
82:
77:
72:
67:
62:
57:
52:
47:
42:
41:
28:
15:
13:
10:
9:
6:
4:
3:
2:
1663:
1652:
1649:
1647:
1644:
1642:
1639:
1637:
1634:
1632:
1629:
1628:
1626:
1609:
1604:
1600:
1596:
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1583:
1578:
1574:
1570:
1565:
1561:
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1550:
1546:
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1537:
1533:
1528:
1516:
1508:
1506:
1502:
1501:
1498:
1489:
1484:
1461:
1460:
1456:
1454:
1453:
1449:
1447:
1446:
1442:
1440:
1439:
1435:
1433:
1432:
1428:
1426:
1425:
1424:Jiangxisaurus
1421:
1419:
1418:
1414:
1412:
1411:
1407:
1404:
1403:
1402:Ganzhousaurus
1399:
1397:
1396:
1392:
1389:
1388:
1384:
1383:
1381:
1379:
1375:
1368:
1367:
1363:
1361:
1360:
1356:
1353:
1352:
1348:
1345:
1344:
1343:Corythoraptor
1340:
1338:
1337:
1333:
1332:
1330:
1328:
1327:Oviraptorinae
1324:
1318:
1317:
1313:
1311:
1310:
1306:
1303:
1302:
1298:
1296:
1295:
1291:
1289:
1288:
1284:
1283:
1280:
1277:
1275:
1274:Oviraptoridae
1271:
1261:
1260:
1256:
1254:
1253:
1249:
1247:
1246:
1242:
1240:
1239:
1235:
1233:
1232:
1228:
1227:
1225:
1223:
1219:
1213:
1212:
1208:
1206:
1205:
1201:
1200:
1198:
1196:
1192:
1186:
1185:
1181:
1178:
1177:
1173:
1171:
1170:
1166:
1164:
1163:
1159:
1157:
1156:
1155:Leptorhynchos
1152:
1150:
1149:
1148:Gigantoraptor
1145:
1143:
1142:
1138:
1136:
1135:
1134:Chirostenotes
1131:
1129:
1128:
1124:
1122:
1121:
1117:
1116:
1113:
1110:
1108:
1104:
1101:
1098:
1093:
1083:
1082:
1078:
1076:
1075:
1071:
1069:
1068:
1064:
1063:
1061:
1059:
1058:Caudipteridae
1055:
1048:
1047:
1043:
1041:
1040:
1036:
1034:
1033:
1029:
1026:
1025:
1021:
1019:
1018:
1014:
1012:
1011:
1007:
1006:
1003:
999:
996:
993:
988:
984:
972:
971:
965:
944:
943:
942:
941:
939:
937:
933:
925:
921:
920:
919:
918:
915:
912:
910:
906:
898:
894:
893:
892:
891:
888:
885:
883:
879:
871:
867:
866:
865:
864:
861:
858:
856:
852:
848:
840:
836:
833:
831:
827:
824:
822:
818:
815:
813:
809:
807:
803:
801:
797:
796:
791:
787:
783:
776:
771:
769:
764:
762:
757:
756:
753:
743:
737:
735:
731:
726:
722:
718:
714:
710:
706:
699:
696:
691:
685:
677:
673:
669:
665:
661:
657:
653:
649:
645:
641:
634:
631:
626:
620:
604:
600:
593:
586:
584:
582:
580:
578:
574:
569:
565:
561:
557:
550:
547:
540:
536:
533:
532:
528:
517:
512:
510:
508:
504:
503:Caudipteridae
500:
493:
491:
487:
485:
484:
479:
475:
471:
467:
463:
459:
455:
448:
446:
444:
440:
435:
433:
432:
427:
423:
419:
414:
412:
408:
404:
400:
396:
392:
388:
383:
381:
378:. Presently,
377:
376:Yixian County
373:
372:specific name
369:
368:
363:
360:
356:
352:
348:
344:
341:
337:
329:
327:
325:
324:Caudipteridae
322:
318:
315:
311:
307:
306:
301:
300:
289:
283:
281:
272:
269:
268:Binomial name
265:
261:
260:
254:
251:
250:
246:
242:
236:
235:
228:
225:
224:
221:
220:Caudipteridae
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:
123:
119:
114:
100:
95:
90:
85:
80:
75:
70:
65:
60:
55:
50:
45:
39:
36:124β120
32:
26:
22:
19:
1539:
1457:
1450:
1443:
1436:
1429:
1422:
1415:
1408:
1400:
1395:Conchoraptor
1393:
1385:
1364:
1357:
1351:Huanansaurus
1349:
1341:
1334:
1314:
1309:Tongtianlong
1307:
1299:
1292:
1285:
1257:
1252:Caenagnathus
1250:
1243:
1236:
1229:
1209:
1202:
1195:Elmisaurinae
1182:
1174:
1169:Microvenator
1167:
1160:
1153:
1146:
1139:
1132:
1125:
1118:
1079:
1073:
1072:
1065:
1044:
1037:
1030:
1022:
1015:
1008:
968:
839:Pennaraptora
834:
825:
816:
741:
708:
698:
684:cite journal
643:
639:
633:
619:cite journal
607:. Retrieved
605:(3): 178β189
602:
598:
559:
555:
549:
498:
497:
488:
481:
465:
461:
457:
453:
452:
442:
436:
429:
417:
415:
391:IVPP V 12556
390:
384:
379:
365:
361:
351:Wang Xiaolin
342:
340:type species
335:
333:
303:
298:
297:
296:
287:
279:
274:
258:
257:
240:
233:
232:
200:
187:
174:
24:
18:
1445:Nemegtomaia
1378:Heyuanninae
1238:Apatoraptor
1067:Caudipteryx
924:Maniraptora
909:Maniraptora
505:. An exact
462:Caudipteryx
458:Caudipteryx
449:Description
367:Caudipteryx
355:Zhou Zonghe
305:Caudipteryx
1625:Categories
1503:See also:
1459:Shixinggia
1410:Gobiraptor
1287:Luoyanggia
1211:Elmisaurus
1141:Eoneophron
1127:Beibeilong
1120:Anomalipes
945:see belowβ
821:Dinosauria
812:Sauropsida
609:20 October
541:References
474:pubic bone
389:specimen,
338:, with as
194:Saurischia
181:Dinosauria
1417:Heyuannia
1366:Rinchenia
1359:Oviraptor
1294:Nankangia
1162:Hagryphus
897:Theropoda
882:Theropoda
830:Theropoda
798:Kingdom:
725:2509-6745
676:205220207
507:cladistic
494:Phylogeny
470:pygostyle
252:Species:
207:Theropoda
154:Kingdom:
148:Eukaryota
1569:47458537
1549:Wikidata
1515:Category
1505:Timeline
1336:Citipati
1301:Nomingia
1176:Nomingia
1010:Avimimus
806:Chordata
804:Phylum:
800:Animalia
668:20428169
513:See also
483:Nomingia
437:In 2010
387:holotype
317:dinosaur
314:theropod
213:Family:
168:Chordata
164:Phylum:
158:Animalia
144:Domain:
1595:4130154
1582:4576843
1555:Q132745
1204:Citipes
810:Class:
648:Bibcode
405:middle
362:similis
319:of the
277:†
256:†
226:Genus:
105:↓
1608:146461
1452:Oksoko
1316:Yulong
723:
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640:Nature
426:Aptian
411:Albian
407:Aptian
370:. The
347:He Tao
321:family
290:, 2008
288:et al.
241:et al.
1431:Khaan
1387:Banji
835:Clade
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817:Clade
672:S2CID
595:(PDF)
478:ilium
399:China
359:Latin
310:genus
201:Clade
188:Clade
175:Clade
1577:GBIF
1231:Anzu
922:see
895:see
868:see
721:ISSN
690:link
664:PMID
625:link
611:2012
385:The
353:and
245:2008
44:Preκ
1564:EoL
1024:Kol
713:doi
656:doi
644:464
564:doi
312:of
286:He
239:He
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230:β
217:β
99:N
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79:T
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64:D
59:S
54:O
49:κ
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