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263:, and found in Canada (Newfoundland and Nova Scotia), the Czech Republic, Germany, France, Spain, England, Wales, Sweden, and the Russian Federation (Siberia). They uniquely differ from all other Agnostina in having the frontal glabellar lobe wider than the rear lobe. The Condylopygidae are the only family assigned to the
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Like all
Agnostida, members of the Condylopygidae are relatively small and isopygous with the cephalon and pygidium of approximately similar size and outline. The characteristic expansion of the glabellar frontal lobe, occipital structures instead of basal lobes, and pygidial axis with three pairs of
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The frontal lobe of the glabella is wider than the rear lobe, giving the glabella its characteristic mushroom shape, but it does not partly envelop the sides of the rear lobe, and the frontal lobe is never longitudinally bisected (sag.) as in
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The frontal glabellar lobe is wider than the rear lobe, partly envelops the sides of the rear lobe and is often bisected longitudinally along the midline.
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489:. Part O, Treatise on Invertebrate Paleontology. Revised, Volume 1 โ Trilobita โ Introduction, Order Agnostida, Order Redlichiida. 1997
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The
Condylopygoidea are an isolated branch in the Agnostina suborder that occur approximately contemporaneously with the
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is ancestral to the
Condylopygidae - a regression towards ancestral characters or an example of
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285:, appears intermediate between Peronopsidae and Condylopygidae, but it is not clear whether
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side lobes and a posterior axial lobe differentiate
Condylopygoidea from Agnostoidea.
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279:, the earliest representatives of the main branch of the Agnostina. One species,
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RAYMOND, P. E., 1913: Some changes in the names of genera of trilobites.
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NAIMARK, E. B. (2012). "Hundred species of the Genus
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381:"The Middle Cambrian paradoxidid trilobite
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30:early Middle Cambrian (Amgaian to Mayaian)
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379:RUSHTON, A. W. A.; WEIDNER, T. (2007).
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255:Raymond (2013) are a family of small
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309:explaining unique anatomic features
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385:from Jรคmtland, central Sweden"
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631:Cambrian first appearances
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125:Scientific classification
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641:Trilobite superfamilies
636:Miaolingian extinctions
440:Paleontological Journal
438:Hawle et Corda, 1847".
392:Acta Geologica Polonica
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259:that lived during the
588:Paleobiology Database
418:The Ottawa Naturalist
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307:Condylopyge cf regia
118:Condylopyge cf regia
16:Family of trilobites
626:Cambrian trilobites
485:WHITTINGTON, H. B.
452:2012PalJ...46..945N
282:Peronopsis palmadon
621:Trilobite families
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291:parallel evolution
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575:Open Tree of Life
502:Taxon identifiers
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318:Key to the genera
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400:. Retrieved
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534:Wikispecies
424:: 137โ142.
340:Condylopyge
305:Drawing of
297:Description
287:P. palmadon
234:Condylopyge
610:Categories
436:Peronopsis
366:References
257:trilobites
179:Suborder:
148:Arthropoda
184:Agnostina
172:Agnostida
160:Trilobita
131:Kingdom:
519:Wikidata
468:85130465
402:30 March
271:Taxonomy
207:Family:
143:Phylum:
136:Animalia
580:5130513
554:3266628
525:Q868710
448:Bibcode
167:Order:
155:Class:
96:↓
593:154066
567:115098
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224:genera
562:IRMNG
487:et al
464:S2CID
388:(PDF)
549:GBIF
404:2013
251:The
35:Pre๊
456:doi
335:. .
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476:^
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354:โ
337:โ
293:.
85:Pg
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458::
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406:.
348:-
326:1
90:N
80:K
75:J
70:T
65:P
60:C
55:D
50:S
45:O
40:๊
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