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 Nora Barnacle Nora Barnacle (21 March 1884 – 10 April 1951) was the muse and wife of Irish author James Joyce. Barnacle and Joyce had their first romantic assignment on a date celebrated worldwide as the ‘Bloomsday’ of his modernist novel "Ulysses", a book that she did not, however, enjoy. Their sexually explicit letters have aroused much curiosity, especially as Joyce normally disapproved of coarse language, and they fetch high prices at auction. Barnacle was played by Susan Lynch in the 1999 bio-pic "Nora". Barnacle was born in Galway workhouse on 21 March 1884. Her entry in the birth register,