Haloplegma duperreyi Montagne, 1842b: 258–261, pl. 7: fig. 1 (type locality: Martinique, West Indies).—J. Agardh, 1851 [1851–1863]: 111.— Dickie, 1874b: 197.— J. Agardh, 1876: 90.— De Toni, 1903: 1365–1366.— Weber-van Bosse, 1923: 316.— Børgesen, 1931: 14, figs. 9a–c.— Børgesen, 1934b: 42.— Jadin, 1935: 169.— Børgesen, 1945: 11–16, figs. 3–6.— Børgesen, 1952: 52–53, fig. 26.— S. Dixit, 1966: 19.— Umamaheswara Rao, 1969d: 46.— V. Krishnamurthy & H. Joshi, 1970: 23.— Umamaheswara Rao, 1970b: 368.— Isaac, 1971: 21.— Hackett, 1977: 18.— Lawson, 1980: 49.— Untawale, Dhargalkar, & Agadi, 1983: [35].— B. Subramanian, 1985a: 72, 80.— M. Dave et al., 1987: table 1.— Kalugina-Gutnik, Perestenko, & Titlyanova, 1992: 20 (table 1).— Subba Rao et al., 1992: 182.— Titlyanova, Perestenko, & Kalugina-Gutnik, 1992: 43.
Taxonomic synonym:
* Haloplegma africanum Kützing, 1847a: 221–222 (type locality: Algoa Bay, Cape Province, South Africa).—Kützing, 1849: 672.— J. Agardh, 1851 [1851–1863]: 111–112.— Kützing, 1862: 19, pl. 63: figs. d–f.— J. Agardh, 1876: 91.— Barton, 1896: 459.— De Toni, 1903: 1366.— Delf & Michell, 1921: 116.— Seagrief, 1988: 64, fig. 5:14.— Stegenga & Bolton, 1992: fig. 3, table I.— Stirk & Aken, 1993: 575.
Misapplied name (fide Kützing, 1847a: 222):
Zonaria rosea.—Suhr, 1834: 724.
INDIAN OCEAN DISTRIBUTION: Aldabra Islands, Cargados Carajos, India, Kenya, Maldives, Mauritius, Réunion, Seychelles, South Africa, Sri Lanka.
Note: The synonymy was proposed by Weber-van Bosse (1923: 316) and Børgesen (1952: 52). Papenfuss continued to use the name Haloplegma africanum in his notes, however, indicating (without stating) that he considered it a distinct species.