Cladophora coacta Dickie, 1876: 451 (type locality: "Osima Harbour'' [O-shima, Wakayama Prefecture], Japan).
Boodlea coacta (Dickie) G. Murray & De Toni in G. Murray, 1889: 245.—A. Gepp & E. Gepp, 1908: 165.— A. Gepp & E. Gepp, 1909: 375.
INDIAN OCEAN DISTRIBUTION: Mauritius.