order amphipoda

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Definition
  1. Noun:
    • A taxonomic order of crustaceans: "Order Amphipoda" is the scientific name for an order of small, malacostracan crustaceans. They are characterized by a laterally compressed body, no carapace, and typically having different types of legs (hence "amphipoda," meaning "different feet"). This order includes semiterrestrial, marine, and freshwater species such as sand-hoppers, whale lice, and skeleton shrimp.
Usage Examples
  • Noun:
    • The biologist classified the specimen within the order Amphipoda.
    • Beach wrack is often teeming with members of the order Amphipoda, like sand-hoppers.
Advanced Usage
  • In ecological studies: The term is used to discuss the role of these organisms in food webs, often as detritivores or scavengers.
    • The health of the shoreline ecosystem can be indicated by the diversity of the order Amphipoda present.
Variants and Related Words
  • Amphipod (n): A common name for any individual crustacean belonging to the order Amphipoda.
    • We found an amphipod under the seaweed.
  • Amphipodan (adj): Relating to or characteristic of the order Amphipoda.
    • The amphipodan body plan is highly adapted for their niche.
Synonyms
  • Amphipods: The informal, plural common name for organisms in this order.
  • Side-swimmers: A descriptive common name for some amphipods, referring to their swimming motion.
Related Phrases / Terms
  • Gammaridean amphipod: Refers to a large and common suborder (Gammaridea) within the Amphipoda.
    • Most freshwater shrimp-like crustaceans are gammaridean amphipods.
  • Caprellid amphipod: Refers to amphipods in the suborder Caprellidea, commonly known as skeleton shrimp.
    • The caprellid amphipod clung to the hydroid with its specialized rear legs.
Noun
  1. small flat-bodied semiterrestrial crustaceans: whale lice; sand-hoppers; skeleton shrimp

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