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Encyclopedia

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]

References

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Wikispecies

Up to date as of January 23, 2010

From Wikispecies

Taxonavigation

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

References

  • 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

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