Fucus baillouviana S. Gmelin, 1768: 165 (type locality: Mediterranean Sea).
Dasya baillouviana (S. Gmelin) Montagne, 1841 [1839–1841]: 165.—Lawson, 1980: 41.— Al-Hasan & W. Jones, 1989: 304, pl. 9: fig. 73.— V. Krishnamurthy & Varadarajan, 1991a: 45–48, figs. 1–10.— Basson, 1992: 227.— Kalugina-Gutnik, Perestenko, & Titlyanova, 1992: 20 (table 1).— Titlyanova, Perestenko, & Kalugina-Gutnik, 1992: 44.— Ormond & Banaimoon, 1994: 119.
Taxonomic synonyms:
Sphaerococcus pedicellatus C. Agardh, 1822 [1822–1823]: 321 (type locality: New York, U.S.A.).
Dasya pedicellata (C. Agardh) C. Agardh, 1824: 211.—Børgesen, 1945: 28–29 (in part).— Newton, 1953: 396, 397, 415, pl. IV: fig. 4.— Umamaheswara Rao, 1969d: 47.— Islam, 1974b: 88.— Umamaheswara Rao, 1974e: 66, figs. 32, 33, pl. I:C.— Islam, 1976: 61, pl. 55: figs. 333, 334.— Jaasund, 1976: 119, fig. 243.— Jaasund, 1977b: 409.— Basson, 1979: 75, pl. XIV: fig. 82.— S. Dixit, 1980: 76.— Untawale, Dhargalkar, & Agadi, 1983: [36].— Basson, Mohamed, & Arora, 1989: 38.— Jagtap, 1993: table I.
Rhodonema elegans G. Martens, 1824: 641–644, pl. VIII (type locality: Venezia, Italy).
Dasya elegans (G. Martens) C. Agardh, 1828: 117.—Jadin, 1935: 169.
INDIAN OCEAN DISTRIBUTION: Aldabra Islands, Bahrain, Bangladesh, India, Kuwait, Mauritius, Saudi Arabia, Seychelles, Somalia, Yemen.
Note: The conspecificity of Dasya elegans and D. pedicellata was proposed by C. Agardh (1828: 117), that of Fucus baillouviana and the two preceding species by Montagne (l.c.).