101:
730:
263:
with a short inverted egg-shaped outline, a wide headshield, small eyes, and long genal spines. The backrim of the headshield is inflated and overhangs the first of the 9 thorax segments. The 8th thorax segment from the front bears a backward directed spine that reaches beyond the back end of the
565:
419:
304:
occurs in the Upper
Cambrian of the United States (Merioneth: Warriorsmark, Huntingdon, Huntingdon; Warrior Formation, near Waddle, Centre County, all Pennsylvania, 40.8° N, 77.9° W)
676:
444:
Pratt, B.R. (1992). "Trilobites of the
Marjuman and Steptoean stages (Upper Cambrian), Rabbitkettle Formation, southern Mackenzie Mountains, northwest Canada".
663:
771:
280:
is known from the Upper
Cambrian of Australia (Mindyallan, Upper beds Member, Mungerbar Formation, Glenormiston, Queensland, 22.9° S, 138.8° E).
800:
380:
388:
404:
Pojeta, J.; Gilbert-Tomlinson, J.; Shergold, J.H. (1977). "Cambrian and
Ordovician rostroconch molluscs from Northern Australia".
815:
383:. Vol. Part O. Boulder, Colorado/Lawrence, Kansas: Geological Society of America/University of Kansas Press. pp. O301.
810:
605:
495:
455:
795:
764:
590:
Peng, S.; Robison, R.A. (2000). "Agnostid biostratigraphy across the Middle-Upper
Cambrian boundary in Hunan, China".
805:
298:
have been found in the Upper
Cambrian of Canada (Dresbachian, Rabbitkettle Formation, Yukon, 62.7° N, 128.4° W).
345:
820:
790:
480:
Tasch, P. (1951). "Fauna and paleoecology of the Upper
Cambrian Warrior Formation of central Pennsylvania".
757:
631:
207:
377:
Arthropoda I - Arthropoda
General Features, Proarthropoda, Euarthropoda General Features, Trilobitomorpha
702:
187:
264:
exoskeleton. It has an almost oval tailshield with 5 pairs of pleural furrows. It lived during the
234:
116:
707:
689:
681:
551:
384:
741:
694:
541:
533:
100:
175:
546:
521:
265:
729:
784:
58:
216:
654:
526:
Philosophical
Transactions of the Royal Society of London B: Biological Sciences
33:
310:
has been excavated from the Upper
Cambrian of the United States (Dresbachian,
78:
43:
260:
151:
139:
83:
555:
537:
737:
648:
163:
73:
68:
53:
48:
38:
668:
406:
Australian Bureau of Mineral Resources, Geology and Geophysics Bulletin
88:
63:
127:
625:
328:
trilobite zone, both Huaqiao Formation, Hunan, 28.4° N, 109.5° E).
629:
745:
320:
is present in the Upper Cambrian of China (Guzhangian,
314:
zone, Riley Formation, Central Texas, 30.3° N, 97.7° W)
638:
268:in what are today Canada and the United States.
765:
8:
772:
758:
626:
522:"Rates of speciation in the fossil record"
99:
17:
545:
496:"Highway No. 322 near Waddle, Bed 11.12"
337:
381:Treatise on Invertebrate Paleontology
7:
726:
724:
744:. You can help Knowledge (XXG) by
420:"Locality 50. G127*. Glenormiston"
14:
566:"Central Texas, Riley Fm., Texas"
728:
592:Journal of Paleontology Memoir
1:
456:"Section N - collection N-33"
801:Fossils of the United States
324:trilobite zone and Paibian,
520:Sepkoski Jr., J.J. (1998).
446:Palaeontographica Canadiana
837:
723:
326:Glyptagnostus reticulatus
240:
233:
222:
215:
117:Scientific classification
115:
107:
98:
20:
606:"Paibi section, bed 37a"
322:Glyptagnostus stolidotus
816:Paleozoic life of Yukon
482:Journal of Paleontology
740:-related article is a
538:10.1098/rstb.1998.0212
109:Genevievella granulosa
811:Paleontology in Yukon
703:Paleobiology Database
354:Paleobiology Database
375:Moore, R.C. (1959).
796:Cambrian trilobites
224:Genevievella neunia
806:Fossils of Canada
753:
752:
718:
717:
690:Open Tree of Life
632:Taxon identifiers
532:(1366): 315–326.
252:
251:
247:
828:
774:
767:
760:
732:
725:
711:
710:
698:
697:
685:
684:
672:
671:
659:
658:
657:
627:
621:
620:
618:
616:
599:
587:
581:
580:
578:
576:
559:
549:
517:
511:
510:
508:
506:
489:
477:
471:
470:
468:
466:
449:
441:
435:
434:
432:
430:
413:
401:
395:
394:
372:
366:
365:
363:
361:
342:
245:
103:
93:
30:
26:Temporal range:
18:
836:
835:
831:
830:
829:
827:
826:
825:
781:
780:
779:
778:
721:
719:
714:
706:
701:
693:
688:
680:
675:
667:
662:
653:
652:
647:
634:
624:
614:
612:
603:
589:
588:
584:
574:
572:
563:
519:
518:
514:
504:
502:
493:
479:
478:
474:
464:
462:
454:Shanan Peters.
453:
443:
442:
438:
428:
426:
417:
403:
402:
398:
391:
374:
373:
369:
359:
357:
344:
343:
339:
335:
274:
229:
226:
211:
205:
204:
190:
178:
176:Ptychoparioidea
166:
154:
142:
130:
94:
92:
91:
86:
81:
76:
71:
66:
61:
56:
51:
46:
41:
36:
28:
27:
24:
12:
11:
5:
834:
832:
824:
823:
821:Asaphida stubs
818:
813:
808:
803:
798:
793:
791:Llanoaspididae
783:
782:
777:
776:
769:
762:
754:
751:
750:
733:
716:
715:
713:
712:
699:
686:
673:
660:
644:
642:
636:
635:
630:
623:
622:
604:Austin Hendy.
582:
564:Mike Sommers.
512:
472:
436:
396:
389:
367:
350:Lochmann 1936"
336:
334:
331:
330:
329:
318:G. bigranulosa
315:
305:
302:G. campbellina
299:
296:G. campbellina
288:G. cuniculaena
281:
273:
270:
266:Upper Cambrian
259:is a genus of
250:
249:
238:
237:
231:
230:
227:
220:
219:
213:
212:
206:
198:
196:
192:
191:
188:Llanoaspididae
186:
184:
180:
179:
174:
172:
168:
167:
162:
160:
156:
155:
150:
148:
144:
143:
138:
136:
132:
131:
126:
124:
120:
119:
113:
112:
105:
104:
96:
95:
87:
82:
77:
72:
67:
62:
57:
52:
47:
42:
37:
32:
31:
29:Upper Cambrian
25:
13:
10:
9:
6:
4:
3:
2:
833:
822:
819:
817:
814:
812:
809:
807:
804:
802:
799:
797:
794:
792:
789:
788:
786:
775:
770:
768:
763:
761:
756:
755:
749:
747:
743:
739:
734:
731:
727:
722:
709:
704:
700:
696:
691:
687:
683:
678:
674:
670:
665:
661:
656:
650:
646:
645:
643:
641:
637:
633:
628:
611:
607:
602:
597:
593:
586:
583:
571:
567:
562:
557:
553:
548:
543:
539:
535:
531:
527:
523:
516:
513:
501:
497:
492:
488:(3): 275–306.
487:
483:
476:
473:
461:
457:
452:
447:
440:
437:
425:
421:
418:Pete Wagner.
416:
411:
407:
400:
397:
392:
390:0-8137-3015-5
386:
382:
378:
371:
368:
356:. Fossilworks
355:
351:
349:
341:
338:
332:
327:
323:
319:
316:
313:
309:
306:
303:
300:
297:
293:
289:
285:
282:
279:
276:
275:
271:
269:
267:
262:
258:
257:
248:
244:
239:
236:
232:
228:Lochman, 1936
225:
221:
218:
214:
209:
203:
202:
197:
194:
193:
189:
185:
182:
181:
177:
173:
171:Superfamily:
170:
169:
165:
161:
158:
157:
153:
149:
146:
145:
141:
137:
134:
133:
129:
125:
122:
121:
118:
114:
110:
106:
102:
97:
90:
85:
80:
75:
70:
65:
60:
55:
50:
45:
40:
35:
23:
19:
16:
746:expanding it
735:
720:
640:Genevievella
639:
613:. Retrieved
609:
600:
595:
591:
585:
573:. Retrieved
569:
560:
529:
525:
515:
503:. Retrieved
499:
494:Uta Merkel.
490:
485:
481:
475:
463:. Retrieved
459:
450:
445:
439:
427:. Retrieved
423:
414:
409:
405:
399:
376:
370:
358:. Retrieved
353:
348:Genevievella
347:
340:
325:
321:
317:
311:
307:
301:
295:
291:
287:
283:
277:
272:Distribution
256:Genevievella
255:
254:
253:
242:
241:
223:
217:Type species
201:Genevievella
200:
199:
108:
22:Genevievella
21:
15:
615:17 December
610:Fossilworks
575:17 December
570:Fossilworks
505:17 December
500:Fossilworks
465:17 December
460:Fossilworks
448:(9): 1–109.
429:17 December
424:Fossilworks
360:17 December
785:Categories
333:References
292:G. raggedi
278:G. caelata
261:trilobites
140:Arthropoda
655:Q16981754
451:cited in
308:G. spinox
246:Opik 1967
243:Placosema
152:Trilobita
123:Kingdom:
738:Asaphida
649:Wikidata
601:cited in
561:cited in
556:11541734
491:cited in
415:cited in
312:Coosella
284:G. simon
235:Synonyms
183:Family:
164:Asaphida
135:Phylum:
128:Animalia
695:4707801
682:1103659
669:4635119
547:1692211
412:: 1–54.
208:Lochman
195:Genus:
159:Order:
147:Class:
111:, 18mm
554:
544:
387:
210:, 1936
736:This
708:20522
677:IRMNG
742:stub
664:GBIF
617:2021
577:2021
552:PMID
507:2021
467:2021
431:2021
385:ISBN
362:2021
294:and
34:PreꞒ
542:PMC
534:doi
530:353
410:171
787::
705::
692::
679::
666::
651::
608:.
596:53
594:.
568:.
550:.
540:.
528:.
524:.
498:.
486:25
484:.
458:.
422:.
408:.
379:.
352:.
346:"†
290:,
286:,
84:Pg
773:e
766:t
759:v
748:.
619:.
598:.
579:.
558:.
536::
509:.
469:.
433:.
393:.
364:.
89:N
79:K
74:J
69:T
64:P
59:C
54:D
49:S
44:O
39:Ꞓ
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
