Balanus balanoides and Cirripede

Balanus balanoides noun - Barnacle that attaches to rocks especially in intertidal zones.

Cirripede and Balanus balanoides are semantically related. In some cases you can use "Cirripede" instead a noun phrase "Balanus balanoides".

Cirripede noun - Marine crustaceans with feathery food-catching appendages; free-swimming as larvae; as adults form a hard shell and live attached to submerged surfaces.

Balanus balanoides and cirripede are semantically related. Sometimes you can replace phrase "Balanus balanoides" with "Cirripede", this terms are similar.