Knowledge (XXG)

Echidnacaris

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which had 13 podomeres. The largest appendages measured up to 175 mm (6.9 in) long, which would have belonged to an individual measuring between 33.2–49 cm (1.09–1.61 ft) long. The first few segments of the appendages were substantially taller than they were wide, with podomeres
348:
structures. There were more than 13,000 lenses in the largest eyes, which were over 3 cm in diameter. The individual lenses were large, with some exceeding 335 μm in diameter, which was possibly an adaptation to seeing in low-light waters. The oral cone was triradial with three large plates,
344:, using its frontal appendages to capture small prey. Isolated eyes attributed to the species suggest that they were not stalked, but instead were adhered directly to the head, and surrounded by 1047: 1165: 638:"New anatomical information on Anomalocaris from the Cambrian Emu Bay Shale of South Australia and a reassessment of its inferred predatory habits" 1194: 636:
Daley, Allison C.; Paterson, John R.; Edgecombe, Gregory D.; García-Bellido, Diego C.; Jago, James B. (Mar 4, 2013). Donoghue, Philip (ed.).
1204: 1199: 695: 110: 1158: 1209: 1151: 1189: 340:/ventral spines which bore numerous small auxiliary spines. Like other tamisiocaridids, it is suggested to have been a 142: 550: 419:"Disparate compound eyes of Cambrian radiodonts reveal their developmental growth mode and diverse visual ecology" 688: 972: 1067: 254: 597: 576: 495: 430: 374: 1184: 1028: 681: 551:
The palaeontology and palaeoenvironment of the Early Cambrian Emu Bay Shale, Kangaroo Island, South
659: 618: 484:"New suspension-feeding radiodont suggests evolution of microplanktivory in Cambrian macronekton" 396: 137: 538: 610: 602: 529: 511: 464: 446: 341: 1135: 1012: 890: 849: 807: 649: 592: 584: 519: 503: 454: 438: 386: 322: 290: 213: 124: 796: 580: 563:
Vinther, Jakob; Stein, Martin; Longrich, Nicholas R.; Harper, David A. T. (March 2014).
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Paterson, John R.; García-Bellidob, Diego C.; Edgecombe, Gregory D. (10 July 2023).
1090: 1021: 1000: 979: 944: 937: 906: 816: 774: 375:"The early Cambrian Emu Bay Shale radiodonts revisited: morphology and systematics" 317: 304: 187: 391: 417:
Paterson, John R.; Edgecombe, Gregory D.; García-Bellido, Diego C. (2020-12-04).
1099: 986: 930: 879: 831: 789: 36: 507: 752: 737: 734: 704: 332: 200: 81: 46: 606: 564: 515: 450: 1131: 958: 917: 872: 722: 345: 298: 286: 174: 154: 86: 1123: 614: 533: 468: 442: 1084: 838: 823: 76: 71: 56: 51: 41: 588: 965: 654: 637: 91: 66: 1104: 951: 716: 337: 164: 1061: 553:
Australia. Unpublished PhD thesis, University of Adelaide, 207 pp.
1065: 677: 673: 565:"A suspension-feeding anomalocarid from the Early Cambrian" 349:
with the plates being studded with numerous tubercules.
1139: 1074: 1011: 916: 889: 848: 806: 750: 482:Lerosey-Aubril, Rudy; Pates, Stephen (2018-09-14). 336:2-12 bearing long, slender posteriorly curving 233:Paterson, García-Bellidob & Edgecombe, 2023 315:in 2023. It is only distantly related to true 1159: 689: 8: 309:, it was placed in the new monotypic genus 1166: 1152: 1062: 922: 758: 747: 696: 682: 674: 123: 109: 20: 16:Extinct genus of tamisiocaridid radiodonts 653: 598:1983/88f89453-e81f-4767-a74d-1794c33e6b34 596: 523: 458: 390: 358: 321:, and is instead placed in the family 7: 1120: 1118: 412: 410: 368: 366: 364: 362: 379:Journal of Systematic Palaeontology 1138:. You can help Knowledge (XXG) by 14: 132:Speculative body size estimation 1122: 1046: 141: 1: 1195:Fossil taxa described in 2023 392:10.1080/14772019.2023.2225066 118:Diagram of frontal appendage 331:is primarily known from its 1205:Prehistoric arthropod stubs 1200:Cambrian animals of Oceania 1226: 1117: 508:10.1038/s41467-018-06229-7 301:. Formerly referred to as 1044: 925: 761: 746: 711: 285:is an extinct species of 260: 253: 138:Scientific classification 136: 131: 122: 117: 108: 23: 1134:-related article is a 443:10.1126/sciadv.abc6721 488:Nature Communications 1210:Fossils of Australia 1076:Anomalocaris briggsi 282:Echidnacaris briggsi 267:Echidnacaris briggsi 1190:Cambrian arthropods 1029:Pseudoangustidontus 589:10.1038/nature13010 581:2014Natur.507..496V 500:2018NatCo...9.3774L 435:2020SciA....6.6721P 655:10.1111/pala.12029 333:frontal appendages 1147: 1146: 1130:This prehistoric 1115: 1114: 1068:Taxon identifiers 1059: 1058: 1055: 1054: 1042: 1041: 1038: 1037: 575:(7493): 496–499. 342:suspension feeder 278: 277: 234: 1217: 1168: 1161: 1154: 1126: 1119: 1108: 1107: 1095: 1094: 1093: 1063: 1050: 1013:Aegirocassisinae 923: 891:Tamisiocarididae 850:Amplectobeluidae 808:Anomalocarididae 759: 748: 698: 691: 684: 675: 668: 667: 657: 633: 627: 626: 600: 560: 554: 549:NEDIN, C. 1995. 547: 541: 537: 527: 479: 473: 472: 462: 429:(49): eabc6721. 423:Science Advances 414: 405: 404: 394: 370: 323:Tamisiocarididae 291:Cambrian Stage 4 269: 265: 232: 225: 214:Tamisiocarididae 212: 199: 186: 146: 145: 127: 113: 103: 33: 32:Cambrian Stage 4 29:Temporal range: 21: 1225: 1224: 1220: 1219: 1218: 1216: 1215: 1214: 1175: 1174: 1173: 1172: 1116: 1111: 1103: 1098: 1089: 1088: 1083: 1070: 1060: 1051: 1034: 1007: 912: 885: 844: 802: 797:Paranomalocaris 755: 742: 707: 702: 672: 671: 635: 634: 630: 562: 561: 557: 548: 544: 481: 480: 476: 416: 415: 408: 372: 371: 360: 355: 289:known from the 274: 271: 263: 262: 249: 246:E. briggsi 231: 223: 210: 197: 184: 140: 104: 102: 101: 100: 99: 94: 89: 84: 79: 74: 69: 64: 59: 54: 49: 44: 39: 31: 30: 27: 17: 12: 11: 5: 1223: 1221: 1213: 1212: 1207: 1202: 1197: 1192: 1187: 1177: 1176: 1171: 1170: 1163: 1156: 1148: 1145: 1144: 1127: 1113: 1112: 1110: 1109: 1096: 1080: 1078: 1072: 1071: 1066: 1057: 1056: 1053: 1052: 1045: 1043: 1040: 1039: 1036: 1035: 1033: 1032: 1025: 1017: 1015: 1009: 1008: 1006: 1005: 997: 990: 983: 976: 973:Schinderhannes 969: 962: 955: 948: 941: 934: 926: 920: 914: 913: 911: 910: 903: 895: 893: 887: 886: 884: 883: 876: 869: 862: 854: 852: 846: 845: 843: 842: 835: 828: 820: 812: 810: 804: 803: 801: 800: 793: 786: 783:Innovatiocaris 779: 771: 762: 756: 751: 744: 743: 741: 740: 731: 725: 719: 712: 709: 708: 703: 701: 700: 693: 686: 678: 670: 669: 648:(5): 971–990. 628: 555: 542: 474: 406: 357: 356: 354: 351: 276: 275: 272: 258: 257: 251: 250: 242: 240: 236: 235: 221: 217: 216: 208: 204: 203: 195: 191: 190: 182: 178: 177: 172: 168: 167: 162: 158: 157: 152: 148: 147: 134: 133: 129: 128: 120: 119: 115: 114: 106: 105: 97: 96: 95: 90: 85: 80: 75: 70: 65: 60: 55: 50: 45: 40: 35: 34: 28: 15: 13: 10: 9: 6: 4: 3: 2: 1222: 1211: 1208: 1206: 1203: 1201: 1198: 1196: 1193: 1191: 1188: 1186: 1183: 1182: 1180: 1169: 1164: 1162: 1157: 1155: 1150: 1149: 1143: 1141: 1137: 1133: 1128: 1125: 1121: 1106: 1101: 1097: 1092: 1086: 1082: 1081: 1079: 1077: 1073: 1069: 1064: 1049: 1031: 1030: 1026: 1024: 1023: 1019: 1018: 1016: 1014: 1010: 1003: 1002: 998: 996: 995: 994:Ursulinacaris 991: 989: 988: 984: 982: 981: 977: 975: 974: 970: 968: 967: 963: 961: 960: 956: 954: 953: 949: 947: 946: 942: 940: 939: 935: 933: 932: 928: 927: 924: 921: 919: 915: 909: 908: 904: 902: 901: 897: 896: 894: 892: 888: 882: 881: 877: 875: 874: 870: 868: 867: 866:Guanshancaris 863: 861: 860: 859:Amplectobelua 856: 855: 853: 851: 847: 841: 840: 836: 834: 833: 829: 826: 825: 821: 819: 818: 814: 813: 811: 809: 805: 799: 798: 794: 792: 791: 787: 785: 784: 780: 777: 776: 772: 769: 768: 767:Caryosyntrips 764: 763: 760: 757: 754: 749: 745: 739: 736: 732: 730: 729:Panarthropoda 726: 724: 721:Superphylum: 720: 718: 714: 713: 710: 706: 699: 694: 692: 687: 685: 680: 679: 676: 665: 661: 656: 651: 647: 643: 642:Palaeontology 639: 632: 629: 624: 620: 616: 612: 608: 604: 599: 594: 590: 586: 582: 578: 574: 570: 566: 559: 556: 552: 546: 543: 540: 535: 531: 526: 521: 517: 513: 509: 505: 501: 497: 493: 489: 485: 478: 475: 470: 466: 461: 456: 452: 448: 444: 440: 436: 432: 428: 424: 420: 413: 411: 407: 402: 398: 393: 388: 384: 380: 376: 369: 367: 365: 363: 359: 352: 350: 347: 343: 339: 334: 330: 326: 324: 320: 319: 314: 313: 308: 306: 300: 296: 295:Emu Bay Shale 292: 288: 284: 283: 273:(Nedin, 1995) 270: 268: 259: 256: 255:Binomial name 252: 248: 247: 241: 238: 237: 230: 229: 222: 219: 218: 215: 209: 206: 205: 202: 196: 193: 192: 189: 183: 180: 179: 176: 173: 170: 169: 166: 163: 160: 159: 156: 153: 150: 149: 144: 139: 135: 130: 126: 121: 116: 112: 107: 93: 88: 83: 78: 73: 68: 63: 58: 53: 48: 43: 38: 26: 22: 19: 1140:expanding it 1129: 1075: 1027: 1022:Aegirocassis 1020: 1001:Zhenghecaris 999: 992: 985: 980:Stanleycaris 978: 971: 964: 957: 950: 945:Cordaticaris 943: 938:Cambroraster 936: 929: 907:Tamisiocaris 905: 900:Echidnacaris 899: 898: 878: 871: 864: 857: 837: 830: 822: 817:Anomalocaris 815: 795: 788: 781: 775:Cucumericrus 773: 765: 645: 641: 631: 572: 568: 558: 545: 491: 487: 477: 426: 422: 382: 378: 329:Echidnacaris 328: 327: 318:Anomalocaris 316: 312:Echidnacaris 311: 310: 305:Anomalocaris 302: 281: 280: 279: 266: 261: 245: 244: 228:Echidnacaris 227: 226: 188:Dinocaridida 25:Echidnacaris 24: 18: 1100:iNaturalist 987:Titanokorys 931:Buccaspinea 880:Ramskoeldia 832:Lenisicaris 790:Laminacaris 494:(1): 3774. 346:sclerotised 1185:Radiodonta 1179:Categories 1091:Q108069344 753:Radiodonta 738:Arthropoda 735:Stem-group 705:Radiodonta 539:Dryad Data 353:References 201:Radiodonta 175:Arthropoda 1132:arthropod 959:Pahvantia 918:Hurdiidae 873:Lyrarapax 723:Ecdysozoa 715:Kingdom: 664:128955512 623:205237459 607:0028-0836 516:2041-1723 451:2375-2548 401:259719252 307:" briggsi 299:Australia 287:radiodont 239:Species: 161:Kingdom: 155:Eukaryota 1085:Wikidata 839:Shucaris 824:Houcaris 733:Phylum: 717:Animalia 615:24670770 534:30218075 469:33268353 207:Family: 171:Phylum: 165:Animalia 151:Domain: 966:Peytoia 727:Clade: 577:Bibcode 525:6138677 496:Bibcode 460:7821881 431:Bibcode 338:endites 264:† 243:† 220:Genus: 194:Order: 181:Class: 98:↓ 1105:333150 952:Hurdia 662:  621:  613:  605:  569:Nature 532:  522:  514:  467:  457:  449:  399:  660:S2CID 619:S2CID 397:S2CID 385:(1). 293:aged 1136:stub 611:PMID 603:ISSN 530:PMID 512:ISSN 465:PMID 447:ISSN 37:PreꞒ 650:doi 593:hdl 585:doi 573:507 520:PMC 504:doi 455:PMC 439:doi 387:doi 297:of 1181:: 1102:: 1087:: 658:. 646:56 644:. 640:. 617:. 609:. 601:. 591:. 583:. 571:. 567:. 528:. 518:. 510:. 502:. 490:. 486:. 463:. 453:. 445:. 437:. 425:. 421:. 409:^ 395:. 383:21 381:. 377:. 361:^ 325:. 87:Pg 1167:e 1160:t 1153:v 1142:. 1004:? 827:? 778:? 770:? 697:e 690:t 683:v 666:. 652:: 625:. 595:: 587:: 579:: 536:. 506:: 498:: 492:9 471:. 441:: 433:: 427:6 403:. 389:: 303:" 224:† 211:† 198:† 185:† 92:N 82:K 77:J 72:T 67:P 62:C 57:D 52:S 47:O 42:Ꞓ

Index

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Scientific classification
Edit this classification
Eukaryota
Animalia
Arthropoda
Dinocaridida
Radiodonta
Tamisiocarididae
Echidnacaris
Binomial name
radiodont
Cambrian Stage 4
Emu Bay Shale
Australia
Anomalocaris
Anomalocaris

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