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Scientific classification e
Kingdom: Animalia
Superphylum: Ecdysozoa
Clade: Cycloneuralia

Cycloneuralia is a clade of ecdysozoan animals including the Scalidophora (Kinorhynchans, Loriciferans, Priapulids) and the Nematoida (Nematodes, Nematomorphs).[1][2] It may be paraphyletic, or may be a sister group to Panarthropoda.

The name derives from the position of the brain around the pharynx.[3]


  1. ^ "articulata". Retrieved 2009-06-28. 
  2. ^ 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. 
  3. ^ "Explanations.html". Retrieved 2009-06-28.