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524:
381:. It is characterized by a convex dorsal surface, an absence of spines, a shortening of the head-shield and a general rounding off of all angles.
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664:. Vol. Part O. Boulder, Colorado/Lawrence, Kansas: Geological Society of America/University of Kansas Press. pp. 1–560.
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Arthropoda I - Arthropoda
General Features, Proarthropoda, Euarthropoda General Features, Trilobitomorpha
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375:). Though many species had been included, it now has only one species,
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is named in honor of Zerina
Edgecombe, the wife of the species author.
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417:, which has turned out to be a mixed collection. The pygidium of
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was chosen by
Edgecombe because it is based on the cephalon of
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402:
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440:
397:, the Norse god of mischief. Loki tricked the blind god
519:
638:, Edward Arnold (Publishers) Ltd, 1972 (p. 247)
864:
563:"Silurian Acastacean trilobites of the Americas"
847:
405:, and so started the demise of the world (or
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452:have now been reassigned to other genera.
109:
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448:Some species originally designated to
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662:Treatise on Invertebrate Paleontology
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13:
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256:R. Richter & E. Richter, 1954
903:Early Devonian genus extinctions
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522:
34:
441:Species previously assigned to
628:
604:
290:, pro parti (mixed collection)
1:
536:
463:Llandovacaste birminghamensis
826:. You can help Knowledge by
617:4th edition 1975. Plate 29.
384:
7:
508:
435:
367:which lived throughout the
10:
929:
898:Silurian first appearances
805:
611:British Palaeozoic Fossils
401:to kill the god of beauty
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636:Outlines of Palaeontology
590:10.1017/S0022336000024884
343:
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221:
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131:Scientific classification
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108:
20:
561:Edgecombe, G.D. (1993).
570:Journal of Paleontology
908:Wenlock series fossils
822:-related article is a
615:Natural History Museum
359:is a genus of extinct
123:Natural History Museum
893:Trilobites of Oceania
785:Paleobiology Database
503:Calmonia terrarocenai
473:Acastoides constricta
888:Trilobites of Africa
656:Moore, R.C. (1959).
121:, on display at the
883:Silurian trilobites
582:1993JPal...67..535E
530:Paleontology portal
309:Asaphus subcaudatus
240:Calymene downingiae
515:List of trilobites
457:A. birminghamensis
272:Phacops downingiae
244:Phacops downingiae
835:
834:
800:
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772:Open Tree of Life
688:Taxon identifiers
634:H H Swinnerton -
483:Pennaia verneuili
378:Acaste downingiae
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330:
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306:
305:(Murchison, 1839)
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119:Acaste downingiae
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878:Phacopida genera
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493:Acastoides henni
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26:Temporal range:
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913:Phacopida stubs
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419:A. longisulcata
415:A. longisulcata
393:is named after
387:
329:Edgecombe, 1993
297:Balashova, 1968
288:A. longisulcata
284:Edgecombe, 1993
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576:(4): 535–548.
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468:A. constrictus
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671:0-8137-3015-5
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644:0-7131-2357-5
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623:0-565-05624-7
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421:belongs to a
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389:
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380:
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373:Wenlock Group
370:
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363:of the order
362:
358:
357:
348:
347:
342:
339:
335:
327:
324:
321:Hollard, 1963
319:
318:A. talebensis
316:
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310:
303:
302:A. subcaudata
300:
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279:
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273:
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225:A. downingiae
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43:
38:
32:
29:443–397
23:
19:
16:
828:expanding it
817:
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695:
657:
651:
635:
630:
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573:
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502:
499:A. verneuili
498:
491:
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482:
479:A. cordobesa
478:
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21:
15:
759:iNaturalist
423:Phacopoidea
294:A. podolica
276:γ. inflatus
248:α. vulgaris
867:Categories
537:References
429:A. zerinae
326:A. zerinae
313:A. cawdori
261:A. inflata
253:A. dayiana
154:Arthropoda
873:Acastidae
820:Phacopida
598:132918487
385:Etymology
365:Phacopida
361:trilobite
307:synonyms
238:synonyms
232:, 1843) (
230:Murchison
190:Acastidae
178:Phacopida
166:Trilobita
137:Kingdom:
125:, London
711:Q3766431
705:Wikidata
509:See also
488:A. henni
436:Taxonomy
409:). This
407:Ragnarök
391:A. lokii
371:period (
369:Silurian
346:Acastina
338:Synonyms
286:synonym
281:A. lokii
270:synonym
185:Family:
149:Phylum:
142:Animalia
102:Devonian
98:Silurian
777:5129722
751:3266758
578:Bibcode
411:epithet
268:, 1864)
216:Species
197:Genus:
173:Order:
161:Class:
764:340807
725:203126
696:Acaste
668:
642:
621:
596:
450:Acaste
443:Acaste
356:Acaste
266:Salter
203:Acaste
22:Acaste
818:This
790:21424
594:S2CID
566:(PDF)
403:Baldr
274:var.
246:var.
824:stub
746:GBIF
720:APNI
666:ISBN
640:ISBN
619:ISBN
399:Höðr
395:Loki
234:type
37:PreꞒ
738:MJ7
733:CoL
586:doi
100:to
869::
787::
774::
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660:.
613:-
592:.
584:.
574:67
572:.
568:.
545:^
501:=
490:=
481:=
470:=
311:,
242:,
87:Pg
31:Ma
855:e
848:t
841:v
830:.
674:.
646:.
625:.
600:.
588::
580::
460:=
425:.
264:(
236:)
228:(
92:N
82:K
77:J
72:T
67:P
62:C
57:D
52:S
47:O
42:Ꞓ
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