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Asellus aquaticus.jpg
Asellus aquaticus, Asellidae
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Crustacea
Class: Malacostraca
Subclass: Eumalacostraca
Order: Isopoda
Suborder: Asellota
Latreille, 1802 [1]


Asellota is a suborder of isopod crustaceans found in marine and freshwater environments.[2] Roughly one-quarter of all marine isopods belong to this suborder.[3] Members of this suborder are readily distinguished from other isopods by their complex copulatory apparatus. Other characteristics include six-jointed antennal peduncle, the styliform uropods (a character shared with some other isopod groups), the fusion of pleonites 5, 4 and sometimes 3 to the pleotelson, and absence of the first pleopod in females.[3][4]


The suborder Asellota comprises these families:[5] Some classifications also include the Microcerberidea within Asellota.[5]


  1. ^ "Asellota". Integrated Taxonomic Information System. 
  2. ^ J. K. Lowry (October 2, 1999). "Asellota". Crustacea, the Higher Taxa. 
  3. ^ a b Richard Brusca, Vania R. Coelho and Stefano Taiti. "Suborder Asellota". Guide to the Coastal Marine Isopods of California. Retrieved January 28, 2009. 
  4. ^ George D. F. (Buz) Wilson. "Definition of the Asellota". University of Sydney. Retrieved January 28, 2009. [permanent dead link]
  5. ^ a b J. W. Martin & G. E. Davis (2001). An Updated Classification of the Recent Crustacea (PDF). Natural History Museum of Los Angeles County. pp. 132 pp. 
  6. ^ WoRMS

External links[edit]

  • Data related to Asellota at Wikispecies