Sedentaria

Sedentaria
	Examples of Sedentaria (clockwise from upper left corner): Sabellida, Echiura, Maldanomorpha, Clitellata, Terebelliformia, Siboglinidae.
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Annelida
Clade:	Pleistoannelida
Subclass:	Sedentaria; Lamarck 1818
Orders and families
	Orbiniida; Cirratuliformia; Siboglinidae (=Pogonophora); Sabellida; Spionida; Opheliida; Capitellida Echiura; Capitellidae; ; Terebelliformia; Maldanomorpha; Clitellata "Oligochaetes"; Hirudinea; ; Incertae sedis ?Myzostomida; ?Spintheridae;

Sedentaria is a diverse clade of annelid worms. It is traditionally treated as a subclass of the paraphyletic class Polychaeta, but it is also a monophyletic group uniting several polychaetes and the monophyletic class Clitellata. It is the sister group of Errantia.

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