''Chthamalus antennatus'', the six-plated barnacle is a species of intertidal

barnacle A barnacle is a type of arthropod constituting the subclass Cirripedia in the subphylum Crustacea, and is hence related to crabs and lobsters. Barnacles are exclusively marine, and tend to live in shallow and tidal waters, typically in eros ...

found in eastern and southern Australia. Growing from two centimetres wide and one centimetre high. The barnacle is found on the coast, usually on rocks at or above the high tide level or just below the

splash zone In offshore construction, the splash zone is the transition from air to water when lowering heavy burdens into the sea. The overall efforts applied on the crane change dramatically when the load starts touching water, up to the point where it is ...

. Feeding occurs only at unusually high tides.

References

Barnacles Crustaceans described in 1854 {{Maxillopoda-stub