barnacle (redirected from Sessile Barnacles)
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Related to Sessile Barnacles: cirripedes
barnacle the common name for any of the CRUSTACEAN class Cirripedia, most of which are SESSILE, grow on rocky substrates, and have a CALCAREOUS outer covering.
an adult cirripede that lives attached to fixed objects; an aquatic member of the subclass Cirrepedia of the class Crustacea.