Arachnomorpha
| Arachnomorpha Temporal range:
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|---|---|
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| Fossil of Bellacartwrightia calliteles, a trilobite | |
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| Lychas variatus, a scorpion chelicerate | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Clade: | Arachnomorpha Lameere, 1890 |
| Subgroups | |
| Synonyms | |
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Arachnomorpha is a proposed subdivision or
myriapods).[1]
The arachnomorph concept has been challenged by suggestions that the artiopods are more closely related to mandibulates, forming the clade Antennulata instead.[2][1]
There is no consensus as to assigning Arachnomorpha a formal Linnean rank.
Classification
Arachnomorpha Lameere, 1890 [= Arachnata Paulus, 1979, = Palaeopoda Packard, 1903]
- †Nettapezoura
- †Dicranocaris
- †TrilobitaWalch, 1771
- †Megacheira Hou & Bergstrom, 1997
- †StrabopidaHou & Bergström, 1997
- †AglaspidaWalcott, 1911
- †Cheloniellida Broili, 1932
- Chelicerata Heymons 1901
- Family †SanctacarididaeLegg & Pates, 2017
- Class PycnogonidaLatreille, 1810
- Clade EuchelicerataWeygoldt & Paulus, 1979
- Family †OffacolidaeSutton et al., 2002
- Clade Prosomapoda Lamsdell, 2013
- Family †
- Family †
Phylogeny
Using fossil data, Bergström & Hou (2003) gave an outline of arthropod relationships emphasizing trilobitomorphs (a group that includes trilobites and trilobite-like animals).[3]
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References
- ^ S2CID 243269510.
- CiteSeerX 10.1.1.130.2585.
- ^ Bergström, J. & Hou, X. G. (2003). "Arthropod origins" (PDF). Bulletin of Geosciences. 78 (4): 323–334. Archived from the original (PDF) on 2016-03-04. Retrieved 2014-03-03.
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