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Corophiida is an
infraorder Order ( la, ordo) is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy. It is classified between family and class. In biological classification, the order is a taxonomic rank used in the classification of organisms and ...
of
amphipod Amphipoda is an order of malacostracan crustaceans with no carapace and generally with laterally compressed bodies. Amphipods range in size from and are mostly detritivores or scavengers. There are more than 9,900 amphipod species so far descr ...
s that contains the two parvorders
Caprellidira Caprellidira is a parvorder of marine crustaceans of the infraorder Corophiida. The group includes skeleton shrimps (Caprellidae) and whale lice (Cyamidae). Fifteen families are currently recognised in the group. They are grouped into seven su ...
(
skeleton shrimp Caprellidae is a family of amphipods commonly known as skeleton shrimps. Their common name denotes the threadlike slender body which allows them to virtually disappear among the fine filaments of seaweed, hydroids and bryozoans. They are sometim ...
and
whale lice A whale louse is a commensal crustacean of the family Cyamidae. Despite the name, it is not a true louse (which are insects), but rather is related to the skeleton shrimp, most species of which are found in shallower waters. Whale lice are extern ...
) and
Corophiidira Corophiidira is a parvorder of marine amphipod crustaceans in the infraorder Corophiida. In a previous classification, this taxon was treated as an infraorder and was then itself called Corophiida. Families The group contains six families cla ...
. In 2003-2013 this group was treated as a suborder, Corophiidea, which in turn had been re-established to contain the taxa previously treated as the suborder
Caprellidea Caprelloidea is a superfamily of marine crustaceans in the order Amphipoda. It includes "untypical" forms of amphipods, such as the skeleton shrimps (Caprellidae) and whale lice (Cyamidae). The group was formerly treated as one of the four amphip ...
, together with some families formerly placed in the suborder
Gammaridea Gammaridea is one of the suborders of the order Amphipoda, comprising small, shrimp-like crustaceans. Until recently, in a traditional classification, it encompassed about 7,275 (92%) of the 7,900 species of amphipods described by then, in approx ...
. More recently, the group was made part of the new suborder
Senticaudata Senticaudata is one of the four suborders of the crustacean order Amphipoda (aka scuds, sideswimmers). It includes some 5000 species, which is more than 50% or the currently recognized amphipod diversity.A Phylogeny and Classification of the Senticaudata subord. nov. (Crustacea: Amphipoda)
Zootaxa ''Zootaxa'' is a peer-reviewed scientific mega journal for animal taxonomists. It is published by Magnolia Press (Auckland, New Zealand). The journal was established by Zhi-Qiang Zhang in 2001 and new issues are published multiple times a week. ...
3610 (1): 1-80.


References


External links

* Amphipoda Arthropod infraorders {{Amphipod-stub