(fig. 5 G)
Material examined. Stn. 8 – 23.02.2008, 26 m, A 565: several stems, ca. 5 mm high, epizoic on Symplectoscyphus milneanus (d’Orbigny, 1846); A 566: a small, sterile colony, epizoic on Synthecium robustum Nutting, 1904; A 580 (MHNG INVE 62830): a few sterile stems, epizoic on S. milneanus. Type locality. Long Island, Atlantic coast of the United States of America.
Remarks. For a description of this well-known species, I refer to Cornelius (1995).
World distribution. Likely cosmopolitan. For a detailed list of world records, see Medel & Vervoort (2000). Peña Cantero (2008) gave its distribution in the Antarctic and sub-Antarctic waters.
Records from Chile. Gente Grande and Paso Ancho, Strait of Magellan (Orejas, unpublished results, see Pagès & Orejas 1999), South of Chiloé Island (present study).