102:
449:
This agnostoid is strongly effaced. The cephalon lacks a border furrow. The glabella and small basal lobes are weakly defined. The rhachis is circular to ovate, clearly defined by deep axial furrows. An elongate axial node may be discerned. The pygidium has a narrow border defined by a furrow.
325:, in what are now Canada (Newfoundland and Northwest Territories), China, the Czech Republic, Denmark, England, France, the Russian Federation (Bennett Island, Yakutia), Wales, Sweden, and possibly the United States (Vermont). The headshield (or
495:
Whittington, H.B. et al. Part O, Treatise on
Invertebrate Paleontology. Revised, Volume 1 – Trilobita – Introduction, Order Agnostida, Order Redlichiida. 1997
764:
759:
668:
440:
have been described from the Upper
Cambrian of Canada (Marjuman and Steptoean stages, Rabbitkettle Formation, southern Mackenzie Mountains).
585:
Trilobites of the
Marjuman and Steptoean stages (Upper Cambrian), Rabbitkettle Formation, southern Mackenzie Mountains, northwest Canada
333:). The pygidium is also very effaced, but the ovate pygidial axis (or rhachis) is well defined and a border furrow is also present.
655:
724:
424:
has been collected from the Middle
Cambrian of China (Wangcunian/Guzhangian carbonate limestone/shale, Yangliugang Formation).
754:
562:
540:
506:
326:
468:
734:
769:
430:
was found in the Middle
Cambrian of the Russian Federation (Mayan, Kulyumbe River, limestone, Samodi Formation).
592:
729:
749:
744:
739:
714:
719:
526:
686:
610:
355:
673:
681:
8:
709:
359:
350:
291:
117:
642:
588:
647:
633:
322:
345:
216:
703:
59:
398:
374:
101:
34:
660:
176:
79:
44:
369:
Due to the high level of effacement, establishing the relationship of
363:
318:
314:
164:
152:
140:
84:
604:
627:
330:
74:
69:
54:
49:
39:
202:
89:
64:
329:) is almost entirely effaced and wider than the tailshield (or
128:
384:
418:-zone, Jince Formation, Týřovice and Skryje-Luh, Bohemia).
414:
is known from the Middle
Cambrian of the Czech Republic (
358:in 1845, but that name had already been used for a
560:
538:
504:
466:
701:
587:. Palaeontographica Canadiana. Vol. 9.
348:, was originally described as a species of
491:
489:
487:
485:
362:, and the trilobite genus was also deemed
100:
765:Paleontology in the Northwest Territories
760:Paleontology in Newfoundland and Labrador
112:, 10mm, Jince Formation, Czech Republic
482:
702:
527:Available Generic Names for Trilobites
609:
608:
582:
13:
14:
781:
377:is difficult. The Treatise lists
32:
405:
385:Species previously assigned to
576:
554:
532:
520:
498:
460:
444:
1:
725:Fossils of the Czech Republic
453:
755:Fossils of the United States
7:
507:"Phalagnostus glandiformis"
336:
16:Extinct genus of trilobites
10:
786:
529:P.A. Jell and J.M. Adrain.
399:Toragnostus bituberculatus
259:Grandagnostus glandiformis
617:
297:
290:
208:
201:
118:Scientific classification
116:
108:
99:
30:Middle and Upper Cambrian
23:
735:Fossils of Great Britain
541:"Phalagnostus carinatus"
416:Eccaparadoxides pusillus
770:Paleozoic life of Yukon
563:"Phalagnostus cuneatus"
561:Paleobiology Database.
539:Paleobiology Database.
505:Paleobiology Database.
467:Paleobiology Database.
321:. It lived during the
682:Paleobiology Database
255:Agnostus glandiformis
227:Agnostus nudus ovalis
583:Pratt, B.R. (1992).
313:is a genus of small
110:Phalagnostus prantli
381:as family unknown.
730:Fossils of Denmark
342:Phalagnostus nudus
750:Fossils of Sweden
745:Fossils of Russia
740:Fossils of France
715:Fossils of Canada
697:
696:
611:Taxon identifiers
306:
305:
284:
276:
268:
252:
244:
236:
220:
215:(Beyrich, 1845) (
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720:Fossils of China
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394:P. bituberculata
282:
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235:Lu and Lin, 1989
234:
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104:
94:
31:
27:Temporal range:
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323:Middle Cambrian
317:, in the order
251:(Angelin, 1851)
248:P. glandiformis
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469:"Phalagnostus"
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190:Phalagnostus
186:
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619:Phalagnostus
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584:
578:
566:. Retrieved
556:
544:. Retrieved
534:
522:
510:. Retrieved
500:
472:. Retrieved
462:
448:
438:P. shergoldi
437:
433:
427:
422:P. carinatus
421:
415:
411:
406:Distribution
397:
393:
387:Phalagnostus
386:
379:Phalagnostus
378:
371:Phalagnostus
370:
368:
364:polyphyletic
349:
346:type species
341:
340:
310:Phalagnostus
309:
308:
307:
300:Phalacromina
299:
298:
280:P. shergoldi
279:
271:
267:Snajdr, 1957
263:
258:
254:
247:
239:
232:P. carinatus
231:
226:
223:Battus nudus
222:
211:
196:Howell, 1955
189:
188:
109:
24:Phalagnostus
18:
445:Description
434:P. rasettii
428:P. cuneatus
375:Agnostoidea
283:Pratt, 1992
275:Pratt, 1992
272:P. rasettii
243:Rozova,1964
240:P. cuneatus
710:Agnostidae
704:Categories
594:0920230822
454:References
315:trilobites
264:P. prantli
177:Agnostidae
141:Arthropoda
634:Q16987928
373:to other
360:butterfly
319:Agnostida
253:synonyms
221:synonyms
165:Agnostida
153:Trilobita
124:Kingdom:
628:Wikidata
412:P. nudus
337:Taxonomy
331:pygidium
327:cephalon
292:Synonyms
212:P. nudus
172:Family:
136:Phylum:
129:Animalia
674:1092645
661:4639217
356:Beyrich
203:Species
184:Genus:
160:Order:
148:Class:
591:
568:22 May
546:22 May
512:22 May
474:22 May
351:Battus
344:, the
687:19295
669:IRMNG
656:GBIF
648:6MNQ
589:ISBN
570:2013
548:2013
514:2013
476:2013
436:and
217:type
35:PreꞒ
643:CoL
354:by
706::
684::
671::
658::
645::
630::
484:^
396:=
366:.
257:,
225:,
85:Pg
597:.
572:.
550:.
516:.
478:.
219:)
90:N
80:K
75:J
70:T
65:P
60:C
55:D
50:S
45:O
40:Ꞓ
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