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Asaphoidea

Trilobita - Asaphida

Taxonomy
Asaphoidea was named by Salter (1864). Its type is Asaphidae.

It was assigned to Asaphida by Adrain (2011) and Fortey and Bruton (2013).

Synonymy list
YearName and author
1864Asaphoidea Salter
2011Asaphoidea Adrain p. 107
2013Asaphoidea Fortey and Bruton

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumMandibulata
classTrilobitaWalch 1771
orderAsaphidaSalter 1864
superfamilyAsaphoideaSalter 1864
superfamilyAsaphoideaSalter 1864

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitec
Composition 2: chitinc
Ontogeny: molting, addition of partsc
Environment: marinec
Locomotion: fast-movingo
Life habit: low-level epifaunalo
Diet: deposit feedero
Created: 2009-10-11 08:22:09
Modified: 2012-08-27 07:22:20
Source: o = order, c = class
References: Aberhan et al. 2004, Hendy et al. 2009

Age range: base of the Taijangian to the top of the Telychian or 513.00000 to 433.40000 Ma

Collections (3777 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Cambrian541.0 - 485.4Norway (Ringsaker) Proceratopyge nathorsti (194050)
Cambrian541.0 - 485.4USA (Alaska) Richardsonella sp. (114979)
Cambrian541.0 - 485.4China (Jilin Provence) Fatocephalus hunjiangensis, Fatocephalus chytrus (156907) Haniwa elongata (156898 156904 156906) Onychopyge depressa (156912) Richardsonella lilia (156921 156922 156924) Richardsonella sp., Richardsonella lilia (156928) Yosimuraspis sp. (156929)
Taijangian513.0 - 505.0China (Shanxi) Haniwoides brevicus (125222)
Mayan505.0 - 501.0Russian Federation (Gorniy Altay Republic) Oculeus sp., Oculeus parvulus, Oculeus fidus (10175)
Ayusokkanian505.0 - 498.5Kazakhstan Proceratopyge sp. (118235 118238 118244) Proceratopyge sp., Proceratopyge conifrons (118239 118240 118241)
Wangcunian - Guzhangian505.0 - 497.0China (Zhejiang) Proceratopyge conifrons (125685)
Boomerangian504.0 - 501.0Australia (Tasmania) Ceratopygidae indet. (69972)
Mindyallan501.0 - 498.5Australia (Queensland) Griphasaphus griphus (77515)
Paibian501.0 - 498.5China (Zhejiang) Proceratopyge distensa (125677) Proceratopyge fenghwangensis, Proceratopyge changshanensis (125560) Proceratopyge kiangshanensis (125564 125565 125691 128287 128288) Proceratopyge kiangshanensis, Proceratopyge sinuata (125562) Proceratopyge mirabilis, Proceratopyge kiangshanensis, Proceratopyge distincta (125563) Proceratopyge protracta (128284) Proceratopyge sp. (125545 125678) Proceratopyge truncata, Proceratopyge protracta (128289) Pseudoyuepingia sp., Proceratopyge kiangshanensis (128285) Tamdaspis sp., Proceratopyge kiangshanensis, Proceratopyge truncata, Proceratopyge protracta (128286)

Youngest occurrences

Time interval Ma Country or state PBDB collection number
Richmondian449.5 - 443.7USA (Nevada) Anataphrus sp. (78048 78053) Anataphrus sp., Hypodicranotus sp. (78050) Anataphrus sp., Isotelus sp., Hypodicranotus sp. (78051)
Richmondian449.5 - 443.7USA (Illinois) Isotelus sp. (26684)
Richmondian449.5 - 443.7USA (Indiana) Isotelus maximus (399 64170) Isotelus sp. (371 374 72429 72433 72434 72436 72437 72440 72444 72445 72447 72448 72454 72470 72471 72473 72474 72475 72481 72482 72484 72489 72490 72491 72500 72501 72507 72508 72509 72510 72512 72513 72514 72516 72519 72521 72522 72523 72524 72525 72526 72527 72528 72529 72533 72538 72539 72938 72942 73087 73089 73092 73093 73094 73095 73096 73098 73099 73100 73101 76913)
Richmondian449.5 - 443.7USA (Minnesota) Isotelus gigas (358) Megalaspis beckeri (164851)
Richmondian - Ashgill449.5 - 443.7USA (Ohio) Isotelus sp. (393 394)
Richmondian - Gamachian449.5 - 443.7Canada (Yukon) Robergia sp. (25166)
Pirgu - Hirnantian449.5 - 443.4Sweden (Dalarne) Remopleurides emarginatus (73408)
Kosovian445.6 - 443.7Morocco (Maïder) Amphitryon sp. (20996)
Hirnantian445.2 - 443.4United Kingdom (Scotland) Isotelus sp. (181875 181876)
Aeronian - Telychian440.8 - 433.4USA (Georgia) Isotelus brachycephalus (164677)