The Full Wiki

More info on Spiralia

Spiralia: Wikis


Note: Many of our articles have direct quotes from sources you can cite, within the Wikipedia article! This article doesn't yet, but we're working on it! See more info or our list of citable articles.


From Wikipedia, the free encyclopedia

Spiralia is a grouping of animals.[1]

"Lophotrochozoan" and "spiralian" are sometimes considered equivalent.[2]

It receives its name from the spiral cleavage found in most (but not all) members.[3]




Up to date as of January 23, 2010

From Wikispecies


Main Page
Cladus: Eukaryota
Supergroup: Unikonta
Cladus: Opisthokonta
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Spiralia
Cladi: Lophotrochozoa - Platyzoa

Overview of extant phyla (17): Acanthocephala - Annelida - Brachiopoda - Bryozoa - Cycliophora - Echiura - Entoprocta - Gastrotricha - Gnathostomulida - Micrognathozoa - Mollusca - Myzostomida - Nemertea - Phoronida - Platyhelminthes - Rotifera - Sipuncula


  • Guralnick, R.P.; Lindberg, D.R. 2001: Reconnecting cell and animal lineages: what do cell lineages tell us about the evolution and development of Spiralia? Evolution, 55: 1501–1509.
  • Guralnick, R.P.; Lindberg, D.R. 2002: Cell lineage data and spiralian evolution: a reply to Nielsen and Meier. Evolution, 56: 2558-2560.
  • Nielsen, C.; Meier, R. 2002: What cell lineages tell us about the evolution of Spiralia remains to be seen. Evolution, 56: 2554–2557.

Vernacular names

English: spiralians


Got something to say? Make a comment.
Your name
Your email address