Balanus

(redirected from Acorn-barnacle)
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Noun1.Balanus - type genus of the family BalanidaeBalanus - type genus of the family Balanidae  
arthropod genus - a genus of arthropods
Balanidae, family Balanidae - stalkless barnacles
acorn barnacle, Balanus balanoides, rock barnacle - barnacle that attaches to rocks especially in intertidal zones
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