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Paradoxididae

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102: 124: 617: 439: 369:, now Canada (Nova-Scotia, New Brunswick, Newfoundland), USA (Massachusetts, South Carolina), England, Wales, Morocco, Spain, Czech Republic, Poland, Russia (Novaya Zemlya, Northern Siberia, North-East Yakutia), Mongolia, and Turkey. Species in this family can typically grow large to very large (over 30 cm), are relatively flat, have an inverted egg-shaped outline, 451: 373:, a glabella that in early genera has parallel sides and expands forward in later representatives, and approaches or reaches the frontal border. All species have an almost semicircular headshield (or 563: 658: 550: 420: 381:) consists of 15 to 21 segments ending in sickle-shaped spines that to the back curve increasingly further backwards. The tailshield (or 692: 443: 651: 697: 687: 123: 682: 702: 644: 275: 455: 677: 467: 589: 268: 537: 216: 101: 505: 247: 212: 118: 594: 282: 576: 524: 581: 568: 326: 240: 350: 417:
Part O, Revised, Volume 1 – Trilobita – Introduction, Order Agnostida, Order Redlichiida
628: 377:) with long backward-directed genal spines. The articulate middle part of the body (or 354: 342: 194: 616: 671: 59: 529: 624: 499: 303: 296: 254: 233: 181: 110: 34: 490: 438: 338: 289: 261: 79: 44: 382: 378: 374: 370: 330: 310: 168: 155: 135: 84: 516: 450: 484: 366: 358: 346: 74: 69: 54: 49: 39: 555: 362: 334: 89: 64: 145: 461: 542: 465: 353:. Representatives of this family have been found in the 632: 474: 403:Prodrom einer Monographieder bohmischen Trilobiten 415:WHITTINGTON, H. B.; et al., eds. (1997). 652: 8: 659: 645: 462: 100: 20: 394: 401:HAWLE, J. & CORDA, A. J. C. 1847. 421:Treatise on Invertebrate Paleontology 7: 613: 611: 349:) and disappeared at the end of the 30:upper Lower Cambrian–Middle Cambrian 14: 615: 449: 437: 341:. They occurred during the late 122: 1: 405:. 176 pp. J. G. Calve, Prague 631:. You can help Knowledge by 16:Extinct family of trilobites 719: 693:Cambrian first appearances 610: 229: 224: 119:Scientific classification 117: 108: 99: 23: 627:-related article is a 590:Paleobiology Database 371:opisthoparian sutures 698:Cambrian extinctions 458:at Wikimedia Commons 688:Cambrian trilobites 683:Trilobite families 703:Redlichiida stubs 640: 639: 605: 604: 577:Open Tree of Life 468:Taxon identifiers 454:Media related to 319: 318: 220: 710: 661: 654: 647: 619: 612: 598: 597: 585: 584: 572: 571: 559: 558: 546: 545: 533: 532: 520: 519: 510: 509: 508: 495: 494: 493: 463: 453: 442:Data related to 441: 425: 424: 412: 406: 399: 269:Baltoparadoxides 241:Acadoparadoxides 211: 206: 193: 180: 167: 127: 126: 104: 94: 31: 27:Temporal range: 21: 718: 717: 713: 712: 711: 709: 708: 707: 668: 667: 666: 665: 608: 606: 601: 593: 588: 580: 575: 567: 562: 554: 549: 541: 536: 528: 523: 515: 513: 504: 503: 498: 489: 488: 483: 470: 434: 429: 428: 414: 413: 409: 400: 396: 391: 355:paleocontinents 351:Middle Cambrian 210: 204: 191: 178: 165: 121: 95: 93: 92: 87: 82: 77: 72: 67: 62: 57: 52: 47: 42: 37: 29: 28: 25: 17: 12: 11: 5: 716: 714: 706: 705: 700: 695: 690: 685: 680: 678:Paradoxidoidea 670: 669: 664: 663: 656: 649: 641: 638: 637: 620: 603: 602: 600: 599: 586: 573: 560: 547: 534: 521: 511: 496: 480: 478: 472: 471: 466: 460: 459: 447: 446:at Wikispecies 433: 432:External links 430: 427: 426: 407: 393: 392: 390: 387: 343:Lower Cambrian 317: 316: 315: 314: 307: 300: 293: 286: 279: 272: 265: 258: 251: 244: 237: 227: 226: 222: 221: 202: 198: 197: 195:Paradoxidoidea 189: 185: 184: 176: 172: 171: 163: 159: 158: 153: 149: 148: 143: 139: 138: 133: 129: 128: 115: 114: 106: 105: 97: 96: 88: 83: 78: 73: 68: 63: 58: 53: 48: 43: 38: 33: 32: 26: 15: 13: 10: 9: 6: 4: 3: 2: 715: 704: 701: 699: 696: 694: 691: 689: 686: 684: 681: 679: 676: 675: 673: 662: 657: 655: 650: 648: 643: 642: 636: 634: 630: 626: 621: 618: 614: 609: 596: 591: 587: 583: 578: 574: 570: 565: 561: 557: 552: 548: 544: 539: 535: 531: 526: 522: 518: 512: 507: 506:Paradoxididae 501: 497: 492: 486: 482: 481: 479: 477: 476:Paradoxididae 473: 469: 464: 457: 456:Paradoxididae 452: 448: 445: 444:Paradoxididae 440: 436: 435: 431: 422: 418: 411: 408: 404: 398: 395: 388: 386: 384: 380: 376: 372: 368: 364: 360: 356: 352: 348: 344: 340: 336: 333:, a group of 332: 328: 324: 323:Paradoxididae 313: 312: 308: 306: 305: 301: 299: 298: 294: 292: 291: 287: 285: 284: 280: 278: 277: 276:Hydrocephalus 273: 271: 270: 266: 264: 263: 259: 257: 256: 252: 250: 249: 245: 243: 242: 238: 236: 235: 231: 230: 228: 223: 218: 214: 209: 208:Paradoxididae 203: 200: 199: 196: 190: 188:Superfamily: 187: 186: 183: 177: 174: 173: 170: 164: 161: 160: 157: 154: 151: 150: 147: 144: 141: 140: 137: 134: 131: 130: 125: 120: 116: 113: 112: 107: 103: 98: 91: 86: 81: 76: 71: 66: 61: 56: 51: 46: 41: 36: 24:Paradoxididae 22: 19: 633:expanding it 622: 607: 475: 416: 410: 402: 397: 385:) is small. 322: 320: 309: 302: 295: 288: 281: 274: 267: 260: 253: 246: 239: 232: 207: 109: 18: 625:Redlichiida 500:Wikispecies 304:Schagonaria 297:Primoriella 255:Anabaraspis 248:Anabaraceps 234:Paradoxides 182:Redlichiida 111:Paradoxides 672:Categories 389:References 339:arthropods 331:trilobites 290:Plutonides 262:Bajanaspis 156:Arthropoda 311:Schoriina 283:Phanoptes 169:Trilobita 142:Kingdom: 136:Eukaryota 514:BioLib: 491:Q1229827 485:Wikidata 383:pygidium 375:cephalon 367:Gondwana 359:Avalonia 347:Toyonian 201:Family: 152:Phylum: 146:Animalia 132:Domain: 582:5128683 556:3267022 543:4324457 363:Baltica 337:marine 335:extinct 225:Genera 219:, 1847 175:Order: 162:Class: 595:133755 569:116134 517:455799 379:thorax 365:, and 327:family 325:are a 215:& 623:This 564:IRMNG 217:Corda 213:Hawle 629:stub 551:GBIF 321:The 35:PreꞒ 538:EoL 530:DY8 525:CoL 357:of 329:of 674:: 592:: 579:: 566:: 553:: 540:: 527:: 502:: 487:: 419:. 361:, 85:Pg 660:e 653:t 646:v 635:. 423:. 345:( 205:† 192:† 179:† 166:† 90:N 80:K 75:J 70:T 65:P 60:C 55:D 50:S 45:O 40:Ꞓ

Index

PreꞒ

O
S
D
C
P
T
J
K
Pg
N

Paradoxides
Scientific classification
Edit this classification
Eukaryota
Animalia
Arthropoda
Trilobita
Redlichiida
Paradoxidoidea
Paradoxididae
Hawle
Corda
Paradoxides
Acadoparadoxides
Anabaraceps
Anabaraspis
Bajanaspis

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