Knowledge (XXG)

Jiangxisaurus

Source πŸ“

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consists of an incomplete skull, a lower jaw, eight cervical vertebrae, three dorsal vertebrae, nine caudal vertebrae, a nearly complete pectoral girdle, two chevrons, the left forelimb, both sternal plates, four sternal ribs, nine dorsal ribs, and a partially preserved pelvic girdle. The skull is
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A diagnosis is a statement of the anatomical features of an organism (or group) that collectively distinguish it from all other organisms. Some, but not all, of the features in a diagnosis are also autapomorphies. An autapomorphy is a distinctive anatomical feature that is unique to a given
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significant because it contributes to current knowledge about the paleogeographical distribution of oviraptorids in southern China. It was most likely an omnivorous animal along with its close relatives
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The Nanxiong Formation consists of a 2000-meter sequence of red sandstones and clays which has yielded dinosaur fossils, dinosaur footprints and abundant egg shells.
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is toothless and has a height-to-length ratio of about 20%. The radius is 96mm in length and is 30% shorter than the length of the humerus (136mm). The manus is
412:. This genus shares several traits with other oviraptorids, including a short narrow skull with a toothless jaw, and anterior cerivcal vertebrae that bear 1505: 686: 1510: 1525: 1418: 591: 1520: 498:
period, approximately 72 to 66 million years ago. The type specimen is currently housed at the Henan Geological Museum (HGM).
1396: 679: 612: 646: 397:, meaning that it has three fingers – the first digit is robust, the second is elongated and the third digit is slender. 128: 613:"A New Oviraptorid Dinosaur (Theropoda: Oviraptorosauria) from the Late Cretaceous of Jiangxi Province, Southern China" 1401: 672: 1428: 783: 350: 1445: 1515: 1477: 1068: 257: 837: 491: 365: 959: 511: 810: 480: 307: 123: 1482: 487:, China. The specimen was collected in red sandstone sediments that were deposited during the 320:, but with more strongly curved anterior claws and a thinner, frailer mandible. This find is 987: 952: 421: 1172: 905: 883: 849: 695: 624: 537: 533: 528: 484: 413: 1097: 1010: 994: 768: 440:
was a medium-sized oviraptorid dinosaur characterized by the following unique characters:
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The only known specimen of this genus was recovered at the Nankang locality of the
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was described and named by Wei Xuefang, Pu Hanyong, Xu Li, Liu Di, and
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a very elongated mandible, with a height-to-length ratio of about 20%
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Wei Xuefang; Pu Hanyong; Xu Li; Liu Di; LΓΌ Junchang (2013).
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has an elongated mandible and a less pronounced down-turned
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150mm long and appears to be a sub-adult. The mandible of
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the presence of a weakly down-turned mandibular symphysis
349:, refers to the Jiangxi Province of southern China. The 1452: 1290: 1239: 1186: 1134: 1107: 1019: 1008: 970: 903: 848: 821: 794: 767: 451:bone with an elongated and concave lateral surface 680: 8: 1440: 1192: 1025: 1016: 915: 911: 900: 827: 800: 773: 764: 703: 687: 673: 665: 109: 20: 416:. In contrast to its nearest relatives, 617:Acta Geologica Sinica (English Edition) 603: 7: 592:Timeline of oviraptorosaur research 428:Distinguishing anatomical features 14: 1506:Late Cretaceous dinosaurs of Asia 1424: 1423: 1400: 1395: 436:According to Wei et al. (2013), 127: 1: 1511:Fossil taxa described in 2013 1542: 1454:Jiangxisaurus ganzhouensis 408:was assigned to the taxon 370:Jiangxisaurus ganzhouensis 270:Jiangxisaurus ganzhouensis 16:Extinct genus of dinosaurs 1526:Taxa named by LΓΌ Junchang 1413: 1393: 1195: 1028: 918: 914: 899: 880: 830: 803: 776: 763: 702: 475:Provenance and occurrence 263: 256: 124:Scientific classification 122: 117: 108: 23: 550:and other oviraptorids, 368:and the type species is 1521:Paleontology in Jiangxi 629:10.1111/1755-6724.12098 1478:Paleobiology Database 314:. It was similar to 643:"Nanxiong Formation" 249:J. ganzhouensis 960:Scansoriopterygidae 483:in Ganzhou City of 465:length of about 70% 481:Nanxiong Formation 424:on its lower jaw. 308:Nanxiong Formation 303:dinosaur from the 1493: 1492: 1446:Taxon identifiers 1437: 1436: 1409: 1408: 1391: 1390: 1387: 1386: 1383: 1382: 1182: 1181: 1004: 1003: 988:Similicaudipteryx 953:Protarchaeopteryx 895: 894: 891: 890: 876: 875: 872: 871: 868: 867: 649:on 10 August 2014 502:Fauna and habitat 322:paleontologically 285: 284: 237: 1533: 1486: 1485: 1473: 1472: 1471: 1441: 1427: 1426: 1404: 1399: 1193: 1173:Epichirostenotes 1026: 1017: 916: 912: 906:Oviraptorosauria 901: 884:Oviraptorosauria 850:Oviraptorosauria 828: 801: 774: 765: 758: 757: 704: 696:Oviraptorosauria 689: 682: 675: 666: 659: 658: 656: 654: 645:. Archived from 639: 633: 632: 608: 538:Nanshiungosaurus 534:therizinosauroid 529:Microhadrosaurus 512:paleoenvironment 485:Jiangxi Province 272: 268: 231: 224: 211: 132: 131: 113: 103: 40: 29:Temporal range: 21: 1541: 1540: 1536: 1535: 1534: 1532: 1531: 1530: 1496: 1495: 1494: 1489: 1481: 1476: 1467: 1466: 1461: 1448: 1438: 1433: 1405: 1379: 1286: 1235: 1178: 1130: 1103: 1098:Ojoraptorsaurus 1013: 1011:Caenagnathoidea 1000: 995:Xingtianosaurus 966: 908: 887: 864: 844: 817: 790: 784:Avemetatarsalia 769:Avemetatarsalia 759: 709: 708: 698: 693: 663: 662: 652: 650: 641: 640: 636: 610: 609: 605: 600: 588: 504: 477: 472: 430: 403: 378: 345:The genus name 343: 305:Late Cretaceous 281: 274: 266: 265: 252: 230: 222: 209: 126: 104: 102: 101: 96: 91: 86: 81: 76: 71: 66: 61: 56: 51: 46: 35: 34: 31:Late Cretaceous 27: 17: 12: 11: 5: 1539: 1537: 1529: 1528: 1523: 1518: 1513: 1508: 1498: 1497: 1491: 1490: 1488: 1487: 1474: 1458: 1456: 1450: 1449: 1444: 1435: 1434: 1432: 1431: 1421: 1414: 1411: 1410: 1407: 1406: 1394: 1392: 1389: 1388: 1385: 1384: 1381: 1380: 1378: 1377: 1369: 1362: 1355: 1352:Machairasaurus 1348: 1341: 1334: 1327: 1320: 1312: 1305: 1296: 1294: 1288: 1287: 1285: 1284: 1276: 1269: 1261: 1253: 1245: 1243: 1237: 1236: 1234: 1233: 1226: 1219: 1211: 1204: 1196: 1190: 1184: 1183: 1180: 1179: 1177: 1176: 1169: 1162: 1159:Caenagnathasia 1155: 1148: 1140: 1138: 1136:Caenagnathinae 1132: 1131: 1129: 1128: 1121: 1113: 1111: 1105: 1104: 1102: 1101: 1094: 1086: 1079: 1072: 1065: 1058: 1051: 1044: 1037: 1029: 1023: 1021:Caenagnathidae 1014: 1009: 1006: 1005: 1002: 1001: 999: 998: 991: 984: 976: 974: 968: 967: 965: 964: 956: 949: 946:Ningyuansaurus 942: 934: 931:Incisivosaurus 927: 919: 909: 904: 897: 896: 893: 892: 889: 888: 881: 878: 877: 874: 873: 870: 869: 866: 865: 863: 862: 861: 860: 854: 852: 846: 845: 843: 842: 841: 840: 831: 825: 819: 818: 816: 815: 814: 813: 804: 798: 792: 791: 789: 788: 787: 786: 777: 771: 761: 760: 756: 755: 746: 737: 728: 722: 716: 707: 700: 699: 694: 692: 691: 684: 677: 669: 661: 660: 634: 623:(4): 899–904. 602: 601: 599: 596: 595: 594: 587: 584: 547:Qianzhousaurus 503: 500: 476: 473: 471: 468: 467: 466: 455: 452: 445: 429: 426: 402: 401:Classification 399: 386:HGM41-HIII0421 377: 374: 342: 339: 283: 282: 275: 261: 260: 254: 253: 245: 243: 239: 238: 220: 216: 215: 207: 203: 202: 197: 190: 189: 184: 177: 176: 171: 164: 163: 158: 154: 153: 148: 144: 143: 138: 134: 133: 120: 119: 115: 114: 106: 105: 97: 92: 87: 82: 77: 72: 67: 62: 57: 52: 47: 42: 41: 28: 15: 13: 10: 9: 6: 4: 3: 2: 1538: 1527: 1524: 1522: 1519: 1517: 1514: 1512: 1509: 1507: 1504: 1503: 1501: 1484: 1479: 1475: 1470: 1464: 1460: 1459: 1457: 1455: 1451: 1447: 1442: 1430: 1422: 1420: 1416: 1415: 1412: 1403: 1398: 1375: 1374: 1370: 1368: 1367: 1363: 1361: 1360: 1356: 1354: 1353: 1349: 1347: 1346: 1342: 1340: 1339: 1338:Jiangxisaurus 1335: 1333: 1332: 1328: 1326: 1325: 1321: 1318: 1317: 1316:Ganzhousaurus 1313: 1311: 1310: 1306: 1303: 1302: 1298: 1297: 1295: 1293: 1289: 1282: 1281: 1277: 1275: 1274: 1270: 1267: 1266: 1262: 1259: 1258: 1257:Corythoraptor 1254: 1252: 1251: 1247: 1246: 1244: 1242: 1241:Oviraptorinae 1238: 1232: 1231: 1227: 1225: 1224: 1220: 1217: 1216: 1212: 1210: 1209: 1205: 1203: 1202: 1198: 1197: 1194: 1191: 1189: 1188:Oviraptoridae 1185: 1175: 1174: 1170: 1168: 1167: 1163: 1161: 1160: 1156: 1154: 1153: 1149: 1147: 1146: 1142: 1141: 1139: 1137: 1133: 1127: 1126: 1122: 1120: 1119: 1115: 1114: 1112: 1110: 1106: 1100: 1099: 1095: 1092: 1091: 1087: 1085: 1084: 1080: 1078: 1077: 1073: 1071: 1070: 1069:Leptorhynchos 1066: 1064: 1063: 1062:Gigantoraptor 1059: 1057: 1056: 1052: 1050: 1049: 1048:Chirostenotes 1045: 1043: 1042: 1038: 1036: 1035: 1031: 1030: 1027: 1024: 1022: 1018: 1015: 1012: 1007: 997: 996: 992: 990: 989: 985: 983: 982: 978: 977: 975: 973: 972:Caudipteridae 969: 962: 961: 957: 955: 954: 950: 948: 947: 943: 940: 939: 935: 933: 932: 928: 926: 925: 921: 920: 917: 913: 910: 907: 902: 898: 886: 885: 879: 858: 857: 856: 855: 853: 851: 847: 839: 835: 834: 833: 832: 829: 826: 824: 820: 812: 808: 807: 806: 805: 802: 799: 797: 793: 785: 781: 780: 779: 778: 775: 772: 770: 766: 762: 754: 750: 747: 745: 741: 738: 736: 732: 729: 727: 723: 721: 717: 715: 711: 710: 705: 701: 697: 690: 685: 683: 678: 676: 671: 670: 667: 648: 644: 638: 635: 630: 626: 622: 618: 614: 607: 604: 597: 593: 590: 589: 585: 583: 581: 580: 579:Ganzhousaurus 575: 571: 570:Corythoraptor 567: 563: 559: 555: 554: 549: 548: 544: 543:tyrannosaurid 540: 539: 535: 531: 530: 526: 522: 521: 517: 513: 509: 508:Jiangxisaurus 501: 499: 497: 493: 490: 489:Maastrichtian 486: 482: 474: 469: 464: 460: 456: 453: 450: 446: 443: 442: 441: 439: 438:Jiangxisaurus 434: 427: 425: 423: 419: 418:Jiangxisaurus 415: 411: 410:oviraptoridae 407: 406:Jiangxisaurus 400: 398: 396: 392: 391:Jiangxisaurus 387: 383: 375: 373: 371: 367: 363: 359: 358:Jiangxisaurus 355: 352: 351:specific name 348: 347:Jiangxisaurus 340: 338: 336: 335: 334:Ganzhousaurus 330: 329: 323: 319: 318: 313: 309: 306: 302: 299: 295: 291: 290: 289:Jiangxisaurus 279: 273: 271: 262: 259: 258:Binomial name 255: 251: 250: 244: 241: 240: 235: 229: 228: 227:Jiangxisaurus 221: 218: 217: 214: 213:Oviraptoridae 208: 205: 204: 201: 198: 195: 192: 191: 188: 185: 182: 179: 178: 175: 172: 169: 166: 165: 162: 159: 156: 155: 152: 149: 146: 145: 142: 139: 136: 135: 130: 125: 121: 116: 112: 107: 100: 95: 90: 85: 80: 75: 70: 65: 60: 55: 50: 45: 39: 32: 26: 25:Jiangxisaurus 22: 19: 1516:Oviraptorids 1453: 1371: 1364: 1357: 1350: 1343: 1337: 1336: 1329: 1322: 1314: 1309:Conchoraptor 1307: 1299: 1278: 1271: 1265:Huanansaurus 1263: 1255: 1248: 1228: 1223:Tongtianlong 1221: 1213: 1206: 1199: 1171: 1166:Caenagnathus 1164: 1157: 1150: 1143: 1123: 1116: 1109:Elmisaurinae 1096: 1088: 1083:Microvenator 1081: 1074: 1067: 1060: 1053: 1046: 1039: 1032: 993: 986: 979: 958: 951: 944: 936: 929: 922: 882: 753:Pennaraptora 748: 739: 730: 653:29 September 651:. Retrieved 647:the original 637: 620: 616: 606: 577: 574:Huanansaurus 558:Tongtianlong 551: 545: 536: 527: 520:Gannansaurus 518: 507: 505: 478: 470:Paleoecology 437: 435: 431: 417: 405: 404: 390: 385: 379: 369: 357: 354:ganzhouensis 353: 346: 344: 332: 326: 315: 310:of southern 288: 287: 286: 277: 269: 264: 248: 247: 233: 226: 225: 193: 180: 167: 118:Restoration 24: 18: 1359:Nemegtomaia 1292:Heyuanninae 1152:Apatoraptor 981:Caudipteryx 838:Maniraptora 823:Maniraptora 510:shared its 457:a ratio of 449:suprangular 414:pleurocoels 376:Description 362:LΓΌ Junchang 298:oviraptorid 36:72–66  1500:Categories 1417:See also: 1373:Shixinggia 1324:Gobiraptor 1201:Luoyanggia 1125:Elmisaurus 1055:Eoneophron 1041:Beibeilong 1034:Anomalipes 859:see below↓ 735:Dinosauria 726:Sauropsida 598:References 562:Shixinggia 496:Cretaceous 461:length to 433:organism. 187:Saurischia 174:Dinosauria 1469:Q14623729 1331:Heyuannia 1280:Rinchenia 1273:Oviraptor 1208:Nankangia 1076:Hagryphus 811:Theropoda 796:Theropoda 744:Theropoda 712:Kingdom: 566:Nankangia 514:with the 395:tridactyl 384:specimen 341:Etymology 328:Nankangia 317:Heyuannia 296:genus of 242:Species: 200:Theropoda 147:Kingdom: 141:Eukaryota 1463:Wikidata 1429:Category 1419:Timeline 1250:Citipati 1215:Nomingia 1090:Nomingia 924:Avimimus 720:Chordata 718:Phylum: 714:Animalia 586:See also 525:duckbill 516:sauropod 382:holotype 301:theropod 206:Family: 161:Chordata 157:Phylum: 151:Animalia 137:Domain: 1118:Citipes 724:Class: 576:’’ and 494:of the 463:humerus 422:rostrum 294:extinct 267:† 246:† 219:Genus: 1483:276173 1366:Oksoko 1230:Yulong 560:’’, β€˜β€™ 541:, the 532:, the 523:, the 459:radius 292:is an 280:, 2013 278:et al. 236:, 2013 234:et al. 1345:Khaan 1301:Banji 749:Clade 740:Clade 731:Clade 572:’’,’’ 568:’’,β€˜β€™ 564:’’,β€˜β€™ 553:Banji 492:stage 312:China 194:Clade 181:Clade 168:Clade 1145:Anzu 836:see 809:see 782:see 655:2013 556:, β€˜β€™ 380:The 366:2013 331:and 276:Wei 232:Wei 44:Preκž’ 938:Kol 625:doi 364:in 1502:: 1480:: 1465:: 751:: 742:: 733:: 621:87 619:. 615:. 582:. 447:a 372:. 337:. 196:: 183:: 170:: 94:Pg 38:Ma 33:, 1376:? 1319:? 1304:? 1283:? 1268:? 1260:? 1218:? 1093:? 963:? 941:? 688:e 681:t 674:v 657:. 631:. 627:: 223:† 210:† 99:N 89:K 84:J 79:T 74:P 69:C 64:D 59:S 54:O 49:κž’

Index

Late Cretaceous
Ma
Preκž’
κž’
O
S
D
C
P
T
J
K
Pg
N

Scientific classification
Edit this classification
Eukaryota
Animalia
Chordata
Dinosauria
Saurischia
Theropoda
Oviraptoridae
Jiangxisaurus
Binomial name
extinct
oviraptorid
theropod
Late Cretaceous

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