Valvifera

Valvifera
	Glyptonotus antarcticus (Chaetiliidae)
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Crustacea
Class:	Malacostraca
Superorder:	Peracarida
Order:	Isopoda
Suborder:	Valvifera; Sars, 1882

The Valvifera are marine isopod crustaceans. Valviferans are distinguished, however, by the flat, valve-like uropods which hinge laterally and fold inward beneath the rear part of their bodies, covering the pleopods.[1] Some species are omnivorous, and serve as effective scavengers in the economy of the sea. Eleven families are recognised:[2]

Antarcturidae Poore, 2001 (17 genera)
Arcturidae Dana, 1849 (14 genera)
Arcturididae Poore, 2001 (one genus)
Austrarcturellidae Poore & Bardsley, 1992 (five genera)
Chaetiliidae Dana, 1849 (13 genera)
Holidoteidae Wägele, 1989 (three genera)
Holognathidae Thomson, 1904 (five genera)
Idoteidae Samouelle, 1819 (22 genera)
Pseudidotheidae Ohlin, 1901 (one genus)
Rectarcturidae Poore, 2001 (one genus)
Xenarcturidae Sheppard, 1957 (one genus)

References

J. K. Lowry (1999). "Valvifera (Isopoda, Peracarida, Malacostraca)". Crustacea, the Higher Taxa: Description, Identification, and Information Retrieval. Retrieved June 4, 2010.
Schotte M, Boyko CB, Bruce NL, Poore GC, Taiti S, Wilson GD, eds. (2012). "Valvifera". World Marine, Freshwater and Terrestrial Isopod Crustaceans database. World Register of Marine Species. Retrieved November 24, 2012.

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[1] J. K. Lowry (1999). "Valvifera (Isopoda, Peracarida, Malacostraca)". Crustacea, the Higher Taxa: Description, Identification, and Information Retrieval. Retrieved June 4, 2010.

[2] Schotte M, Boyko CB, Bruce NL, Poore GC, Taiti S, Wilson GD, eds. (2012). "Valvifera". World Marine, Freshwater and Terrestrial Isopod Crustaceans database. World Register of Marine Species. Retrieved November 24, 2012.