Spiralia

Cladus: Eukaryota
Supergroup: 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
Internationalization
English: spiralians