Branchiopod crustacean and Crustacean

Branchiopod crustacean noun - Aquatic crustaceans typically having a carapace and many pairs of leaflike appendages used for swimming as well as respiration and feeding.

Crustacean and branchiopod crustacean are semantically related. In some cases you can use "Crustacean" instead a noun phrase "Branchiopod crustacean".

Crustacean noun - Any mainly aquatic arthropod usually having a segmented body and chitinous exoskeleton.

Branchiopod crustacean and crustacean are semantically related. Sometimes you can replace phrase "Branchiopod crustacean" with "Crustacean", this terms are similar.