Cycloneuralia
Clade of ecdysozoan animals
| Cycloneuralia Temporal range: Early Cambrian–Recent PreꞒ Ꞓ O S D C P T J K Pg N | |
|---|---|
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| Priapulus caudatus | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Superphylum: | Ecdysozoa |
| Clade: | Cycloneuralia |
| Subclades | |
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Cycloneuralia is a clade of ecdysozoan animals including the Scalidophora (Kinorhynchans, Loriciferans, Priapulids), the Nematoida (nematodes, Nematomorphs), and the extinct Palaeoscolecid.[1][2] It may be paraphyletic, or may be a sister group to Panarthropoda. Or perhaps Panarthropoda is paraphyletic with respect to Cycloneuralia.[3] The group has also been considered a single phylum, sometimes given the old name Nemathelminthes.[4] The uniting character is the nervous system organization with a circumpharyngeal brain and somata–neuropil–somata pattern.[5] The name derives from the position of the brain around the pharynx.[6]
References
- ^ Schmidt-Rhaesa, A.; Bartolomaeus, T.; Lemburg, C.; Ehlers, U.; Garey, J.R. (1998). "The position of the Arthropoda in the phylogenetic system - Articulata". J. Morphol. 238 (3): 263–285. doi:10.1002/(SICI)1097-4687(199812)238:3<263::AID-JMOR1>3.0.CO;2-L. PMID 29852696. S2CID 46920478. Archived from the original on 10 May 2010.
- ^ Telford MJ, Bourlat SJ, Economou A, Papillon D, Rota-Stabelli O (April 2008). "The evolution of the Ecdysozoa". Philos. Trans. R. Soc. Lond. B Biol. Sci. 363 (1496): 1529–37. doi:10.1098/rstb.2007.2243. PMC 2614232. PMID 18192181.
- ^ Dunn, et al., 2008; Dunn, CW; Hejnol, A; Matus, DQ; Pang, K; Browne, WE; Smith, SA; Seaver, E; Rouse, GW; et al. (2008). "Broad phylogenomic sampling improves resolution of the animal tree of life". Nature 452 (7188): 745–749.
- ^ "A revised six-kingdom system of life" (PDF). Archived from the original (PDF) on 2016-03-04. Retrieved 2016-02-27.
- ^ The neuromuscular system of Pycnophyes kielensis (Kinorhyncha: Allomalorhagida) investigated by confocal laser scanning microscopy - EvoDevo
- ^ "Explanations.html". Archived from the original on 2013-02-07. Retrieved 2009-06-28.
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| Major groups within phyla |
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- Phyla with ≥1000 extant species bolded
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