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Arachnomorpha (trilobite-like)

Synonymy list
YearName and author
1890Arachnomorpha Lameere
2003Arachnomorpha Waggoner p. 707
2008Arachnomorpha Briggs et al. p. 242

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
RankNameAuthor
Panarthropoda
phylumArthropodaLatreille 1829
subphylumArachnomorphaLameere 1890
subphylumArachnomorphaLameere 1890

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
Locomotion: actively mobilep
Created: 2004-02-29 09:38:49
Modified: 2004-02-29 11:38:49
Source: p = phylum
Reference: Kiessling 2004

Age range

Maximum range based only on fossils: base of the Atdabanian to the top of the Early/Lower Miocene or 520.00000 to 15.97000 Ma
Minimum age of oldest fossil (stem group age): 516.0 Ma

Collections (84 total)


Time interval Ma Country or state Original ID and collection number
Atdabanian520.0 - 516.0China (Yunnan) Leanchoilia asiatica, Leanchoilia illecebrosa (68083) Leanchoilia illecebrosa (86845 86846 86851 90133 90135 90137 90149 90151 90152 90164 90165 90166 96402 96403 96405 96406 96409 96410 96412 96413 96416) Leanchoilia sp. (86929 86930 86933)
Botomian516.0 - 513.0China (Yunnan) Leanchoilia illecebrosa (90353)
Dyeran516.0 - 513.0USA (Pennsylvania) Sidneyia sp. (192)
Nangaoian516.0 - 513.0China (Yunnan) Leanchoilia illecebrosa (132327 132329 132330 194140 194141 194143 194150 194153 194155 194160 194161 194162 194163)
Delamaran513.0 - 505.0Canada (British Columbia) Emeraldella brocki (84423) Emeraldella brocki, Alalcomenaeus cambricus, Leanchoilia superlata (84422) Emeraldella brocki, Sidneyia inexpectans (84414 84435) Emeraldella brocki, Sidneyia inexpectans, Alalcomenaeus cambricus, Leanchoilia persephone (84428) Emeraldella brocki, Sidneyia inexpectans, Alalcomenaeus cambricus, Leanchoilia persephone, Leanchoilia superlata (84425) Emeraldella brocki, Sidneyia inexpectans, Alalcomenaeus cambricus, Leanchoilia superlata (84418 84424) Emeraldella brocki, Sidneyia inexpectans, Leanchoilia superlata (84429 84433) Leanchoilia superlata (84420) Sidneyia inexpectans (84415 84416 84417 84419 84430 84434 84437) Sidneyia inexpectans, Alalcomenaeus cambricus (84431) Sidneyia inexpectans, Alalcomenaeus cambricus, Leanchoilia superlata (84426 84427) Sidneyia inexpectans, Leanchoilia superlata (84412 84421 84432 84436)
Delamaran513.0 - 505.0USA (Nevada) Arthropoda indet. (204005) Quasimodaspis brentsae (205325 205326)
Delamaran513.0 - 505.0USA (Utah) Leanchoilia hanceyi (77218) Sidneyia sp. (77217)
Middle Cambrian513.0 - 501.0Canada (Brithish Columbia) Alalcomenaeus sp. (188659) Leanchoilia sp. (188661) Sanctacaris uncata, Alalcomenaeus sp. (188662) Sidneyia sp. (188663)
Middle Cambrian513.0 - 501.0Canada (British Columbia) Sidneyia sp., Misszhouia longicaudata (171308)
Middle Cambrian513.0 - 501.0USA (Utah) Dicranocaris guntherorum (80123 80127) Nettapezoura basilika, Dicranocaris guntherorum (80124) Sidneyia sp., Leanchoilia superlata (80122)
St Davids513.0 - 501.0Canada (British Columbia) Sidneyia inexpectans (122094)
Marjumian513.0 - 498.5USA (Utah) Dicranocaris guntherorum (80125) Emeraldella sp. (77207)
St Davids - Merioneth513.0 - 485.4USA (Nevada) Quasimodaspis brentsae (55500)
Early/Lower Miocene23.03 - 15.97Mexico (Chiapas) Arachnomorpha indet. (124623)