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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 |
| Clade: | Sedentaria Lamarck 1818 |
| Orders and families | |
Incertae sedis | |
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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.[1]
Sedentaria are mainly found within marine environments that have low oxygen levels and are specially adapted to these low oxygen environments by increasing gill surface area and having high-affinity respiratory proteins. Furthermore, they go through a process of metabolic depression which lowers their energy use so that they can inhibit these low oxygen zones .[2]
- ^ Cite error: The named reference
AnnelidCurrentwas invoked but never defined (see the help page). - ^ Sassenhagen, Ingrid; Sefbom, Josefin; Godhe, Anna; Rengefors, Karin (September 2015). "Germination and colonization success of Gonyostomum semen (Raphidophyceae) cysts after dispersal to new habitats". Journal of Plankton Research. 37 (5): 857–861. doi:10.1093/plankt/fbv067. ISSN 0142-7873. PMC 4576989. PMID 26412910.
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