Cyclopoida

The Cyclopoida are an order of small crustaceans from the subclass Copepoda. Like many other copepods, members of Cyclopoida are small, planktonic animals living both in the sea and in freshwater habitats. They are capable of rapid movement. Their larval development is metamorphic, and the embryos are carried in paired or single sacs attached to first abdominal somite.[1]

Cyclopoida
Cyclops sp.
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Copepoda
Superorder: Podoplea
Order: Cyclopoida
Burmeister, 1834
Families

See text

Distinguishing features

Cyclopoids are distinguished from other copepods by having first antennae shorter than the length of the head and thorax, and uniramous second antennae. The main joint lies between the fourth and fifth segments of the body.[2]

Taxonomy

Cyclopoida contains 30 families:[3]

Several more families are included in Suborder Poecilostomatoida, a temporary name for the "poecilostome lineage" [4] The Poecilostomatoida were previously treated as a separate order, but molecular phylogenies show that this lineage is nested within the Cyclopoida.[5]

References
  1. J. K. Lowry (October 2, 1999). "Cyclopoida (Copepoda, Maxillipoda)". Crustacea, the Higher Taxa: Description, Identification, and Information Retrieval. Australian Museum. Archived from the original on April 15, 2012. Retrieved November 20, 2010.
  2. Barnes, Robert D. (1982). Invertebrate Zoology. Philadelphia, PA: Holt-Saunders International. p. 692. ISBN 0-03-056747-5.
  3. Geoff Boxshall & T. Chad Walter (2018). T. Chad Walter & Geoff Boxshall (ed.). "Cyclopoida". World of Copepods database. World Register of Marine Species. Retrieved April 11, 2018.
  4. Geoff Boxshall & T. Chad Walter (2018). T. Chad Walter & Geoff Boxshall (ed.). "Poecilostomatoida". World of Copepods database. World Register of Marine Species. Retrieved April 11, 2018.
  5. Khodami, S; McArthur, JV; Blanco-Bercial, L; Martinez Arbizu (2017). "Molecular Phylogeny and Revision of Copepod Orders (Crustacea: Copepoda)". Scientific Reports. 7 (1): 9164. Bibcode:2017NatSR...7.9164K. doi:10.1038/s41598-017-06656-4. PMC 5567239. PMID 28831035.
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