Barnacle Barnacle A barnacle is a type of arthropod constituting the infraclass 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 erosive settings. They are sessile (nonmotile) suspension feeders, and have two nektonic (active swimming) larval stages. Around 1,220 barnacle species are currently known. The name "Cirripedia" is Latin, meaning "curl-footed". The study of barnacles is called cirripedology. Barnacles are encrusters, attaching themselves permanently to a hard substrate. The most common, "acorn barnacles" (Sessilia), are sessile, growing their shells directly onto the
Nora Barnacle they loved each other passionately. These are also of interest because of Joyce’s lifelong dislike of swearing and crude language. Joyce seems to have admired and trusted her, and Barnacle clearly loved Joyce and trusted him enough to agree to leave Ireland with him for the Continent. In anticipation of the move to Paris, she began studying French and Barnacle cooked English puddings at Joyce's request during their travels. In 1904, Barnacle and Joyce left Ireland for continental Europe and the following year set up house in Trieste (at that time in Austria-Hungary). On 27 June 1905, Nora Barnacle gave