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244:), are both very poorly known and it remains uncertain to which family they could best be assigned. The first certain Illaenid is
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523:. Memoirs of the Geological Society of London. Vol. 38. Geological Society of London. p. 490.
217:. 223 currently accepted species in 24 genera are known from the Ordovician. Some scholars include the
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and the family slightly rebounded with 26 species divided over three genera during the
Silurian.
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for the remainder of the
Ordovician, although most genera had limited distributions. The genus
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from the Upper
Tremadocian of North China and South Korea. The earliest species known from
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260:. These early occurrences are from the tropics, but during the
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in the
Illaenidae, but this is not generally supported.
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521:Early Palaeozoic Biogeography and Palaeogeography
284:from North China is the youngest species known (
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240:from the Malyi Karatau, Kazakhstan (both Lower
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278:Ordovician–Silurian extinction events
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687:. You can help Knowledge (XXG) by
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264:the family spread over southern
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519:; T. Servais, eds. (2014).
489:"The Paleobiology Database"
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282:Quadratillaenus tewoensis
118:Scientific classification
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99:
23:
683:-related article is a
734:Ordovician trilobites
646:Paleobiology Database
252:(western Ireland) is
238:Illaenus? berkutensis
198:Hawle and Corda, 1847
16:Family of trilobites
749:Corynexochida stubs
30:Ordovician–Silurian
744:Trilobite families
256:, probably latest
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633:Open Tree of Life
547:Taxon identifiers
230:Illaenus? priscus
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491:. Archived from
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342:Whittington 1963
302:Whittington 1954
246:I. hinomotoensis
209:are a family of
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27:Temporal range:
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110:Illaenus sarsi
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681:Corynexochida
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517:D.A.T. Harper
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286:Pridoli Epoch
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276:survived the
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268:, and became
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215:Corynexochida
213:in the order
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181:Corynexochida
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689:expanding it
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497:. Retrieved
493:the original
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460:
452:
444:
436:
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420:
417:Angelin 1854
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406:Ptilillaenus
404:
398:Platillaenus
396:
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369:
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353:
350:Raymond 1920
345:
339:Harpillaenus
337:
329:
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281:
273:
270:cosmopolitan
253:
245:
237:
229:
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225:Distribution
206:
204:
193:
109:
18:
579:Wikispecies
465:Snajdr 1957
462:Zetillaenus
457:Snajdr 1956
449:Snajdr 1956
433:Conrad 1843
422:Stenopareia
390:Parillaenus
385:Salter 1867
382:Octillaenus
371:Nanillaenus
366:Dalman 1827
358:Salter 1867
355:Hydrolaenus
334:Salter 1867
331:Ectillaenus
307:Cryptonymus
299:Bumastoides
274:Stenopareia
262:Darriwilian
242:Tremadocian
219:Panderiidae
728:Categories
585:Illaenidae
555:Illaenidae
499:2021-12-17
472:References
254:I. weaveri
211:trilobites
207:Illaenidae
194:Illaenidae
155:Arthropoda
24:Illaenidae
739:Illaenina
570:Q18351058
438:Ulugtella
425:Holm 1886
375:Jaanusson
347:Hyboaspis
323:Dysplanus
315:Deucalion
250:Laurentia
168:Trilobita
141:Kingdom:
135:Eukaryota
564:Wikidata
454:Zdicella
446:Zbirovia
430:Thaleops
363:Illaenus
266:Gondwana
187:Family:
151:Phylum:
145:Animalia
131:Domain:
638:5128600
612:3266655
414:Rhodope
409:Lu 1962
174:Order:
161:Class:
112:, 25mm
651:124262
625:115129
527:
292:Genera
258:Floian
234:Salair
679:This
620:IRMNG
232:from
685:stub
607:GBIF
525:ISBN
377:1954
236:and
205:The
35:Preęž’
599:BDR
594:CoL
288:).
730::
648::
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508:^
480:^
85:Pg
716:e
709:t
702:v
691:.
533:.
502:.
191:â€
178:â€
165:â€
90:N
80:K
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