Fucus purpureus Hudson, 1762: 471 (type locality: presumably England).
Cystoclonium purpureum (Hudson) Batters, 1902: 68–69.—Børgesen, 1934a: 16–17, fig. 12, pl. IV (upper).— Børgesen, 1934b: 36.— P. Anand, 1943b: 46, fig. 31.— Salim, 1965: 193.— S. Dixit, 1966: 15.— Usmanghani et al., 1984: 76.— R. Qasim & Barkati, 1985: table 2.— Usmanghani & Shameel, 1986: tables 1, 3, 4.— Naqvi et al., 1992: 134.— Shameel & J. Tanaka, 1992: 49.
INDIAN OCEAN DISTRIBUTION: Pakistan.