
''Semibalanus balanoides'' is a common and widespread boreo-arctic species of acorn barnacle. It is common on rocks and other substrates in the intertidal zone of north-western Europe and both coasts of North America.
Similar species: Symmetrical Sessile Barnacles
By Christine Young
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Uploaded Jun 19, 2018. Captured Jun 17, 2018 09:29 in 14 Dock Square, Kennebunkport, ME 04046, USA.
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