Cycloneuralia is a proposed clade of ecdysozoan animals including the Scalidophora (Kinorhynchans, Loriciferans, Priapulids), the Nematoida (nematodes, Nematomorphs), and the extinct Palaeoscolecida.[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]
| Cycloneuralia Temporal range:
| |
|---|---|
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| Priapulus caudatus | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Superphylum: | Ecdysozoa |
| Clade: | Cycloneuralia |
| Subclades | |
References
edit- ^ 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, Casey W.; Hejnol, Andreas; Matus, David Q.; Pang, Kevin; Browne, William E.; Smith, Stephen A.; Seaver, Elaine; Rouse, Greg W.; Obst, Matthias; Edgecombe, Gregory D.; Sørensen, Martin V.; Haddock, Steven H. D.; Schmidt-Rhaesa, Andreas; Okusu, Akiko; Kristensen, Reinhardt Møbjerg; Wheeler, Ward C.; Martindale, Mark Q.; Giribet, Gonzalo (2008). "Broad phylogenomic sampling improves resolution of the animal tree of life". Nature. 452 (7188): 745–749. doi:10.1038/nature06614.
- ^ Cavalier-Smith, T. (1998). "A revised six-kingdom system of life" (PDF). Biol. Rev. 73: 203–266. 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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