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Glossary

Asellus

Genus of isopod crustaceans in the family Asellidae. Contains the well-known 'water louse', Asellus aquaticus.

Used in 8 species profiles

Acanthodoras cataphractus
Acanthodoras spinosissimus
Acestrorhynchus falcatus
Colomesus asellus
Colomesus psittacus
Colomesus tocantinensis
Geophagus altifrons
Geophagus neambi

Related terms

crustacean
Any member of the predominantly aquatic arthropod grouping Crustacea which currently contains almost 70,000 recognised species, including all crabs, lobsters, crayfish, shrimp, krill and barnacles. It's difficult to define their characteristics since the group is of arguable hierarchical status, generally regarded to represent either a Phylum or Subphylum.
isopod
Any member of the crustacean order Isopda, comprising species with 7 pairs of legs and lacking a fully-formed carapace.

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