Ulva sinuosa Mertens ex Roth, 1806: 327, pl. XII (type locality: near Cádiz, Spain).
Encoelium sinuosum (Mertens ex Roth) C. Agardh, 1820a: 146.—Kützing, 1849: 552.— Montagne & Millardet, 1862: 21.— G. Martens, 1868: 26, 70–71.
Asperococcus sinuosus (Mertens ex Roth) Bory de Saint-Vincent, 1832: 326.—Krauss, 1846: 213.— J. Agardh, 1848b: 75.— Areschoug, 1851: 23.— Harvey, 1855b: 536.— Harvey, 1857a: no. 58.— Harvey, 1863: xii.— Dickie, 1874b: 191.— Dickie, 1877b: 6.— Sonder, 1880: 8.— G. Murray, 1887: 37.— Barton, 1893: 112.— Delf & Michell, 1921: 97.
Hydroclathrus sinuosus (Mertens ex Roth) Zanardini, 1843: 39.—Hauck, 1888 [1886–1889]: 92.— Mitchell, 1893: 53–56.— Möbius, 1893: 137.— Jadin, 1935: 159.
Colpomenia sinuosa (Mertens ex Roth) Derbès & Solier in Castagne, 1851: 95.—Bornet, 1885: 17.— De Toni, 1895b: 489–490.— Reinbold, 1895a: 25.— De Wildeman, 1897a: 164.— De Wildeman, 1900: 389.— Barton, 1903a: 479.— Svedelius, 1906b: 196.— Schröder, 1912: 297.— De Toni & Forti, 1923: 81.— Børgesen, 1934b: 25–26.— Børgesen, 1935: 34.— Børgesen, 1937b: 312–313.— Børgesen, 1939b: 89–91.— S. Dixit, 1940a: 91.— P. Anand & Magon, 1941: 10.— Børgesen, 1941: 61–62.— S. Dixit, 1941: 127.— Papenfuss, 1943a: 83.— Stephenson, 1944: 348.— Stephenson, 1947: 297.— Børgesen, 1948: 49.— Purchon & Enoch, 1954: 58.— Chacko, Mahadevan, & R. Ganesan, 1955: 11.— Newton, 1955a: 101.— Newton, 1955b: 142.— Pocock, 1955: 73.— Isaac, 1956a: 180–181.— Lind, 1956: 26.— Isaac, 1957b: 90.— Isaac, 1958: 20.— Pocock, 1958: 25.— Chuang, 1961: 43, pl. 4: top.— Durairatnam, 1961a: 32–33.— Kappanna & Sitakara Rao, 1962: 559.— Sitakara Rao & Tipnis, 1964: 17.— Plante, 1965: 250.— S. Dixit, 1966: 9.— S. Lee, 1966: 271.— Misra, 1966b: 115–116, fig. 59, pl. II.— Isaac, 1967: 78.— Misra, 1967: 232.— Seagrief, 1967: 40, pl. [13].— Sitakara Rao & Tipnis, 1967: 279, 281, 282, 285–286.— W. Isaac & F. Isaac, 1968: 23.— Simons, 1969: 251, fig. (s.n.).— K. Srinivasan, 1969: 28, fig. (s.n.), pl. XXVIII.— Umamaheswara Rao, 1969d: 41.— Gopalakrishnan, 1970: 63.— V. Krishnamurthy & H. Joshi, 1970: 12.— Nizamuddin & Gessner, 1970: 6, pl. 6: fig. 18.— Umamaheswara Rao, 1970a: 4, figs. 16, 17.— Gopalakrishnan, 1971: tables I, II, IV.— Subbaramaiah, 1971b: 21.— S. Qasim, Bhattathiri, & Reddy, 1972: 218.— Saifullah, 1973: 141, 142.— Islam, 1974a: 18, pl. 7: figs. 6–10.— Islam, 1974b: 86.— Lind & Morrison, 1974: 130, fig. 4.1c.— Sartoni, 1975: 290.— Solimabi & Naqvi, 1975: 97, table 1.— Islam, 1976: 43–44, pl. 42.— Jaasund, 1976: 47, fig. 95.— Basson et al., 1977: 72, 225, 236, 258.— Jaasund, 1977d: 516.— Seagrief, 1977: 90.— Simons, 1977: 24, fig. 49.— Sivalingam, 1977b: 206.— Solimabi & Das, 1977: table 1.— Agadi, Bhosle, & Untawale, 1978: 248.— Agadi & Untawale, 1978: 65, table 2.— Brown & Jarman, 1978: 1254.— Chauhan, 1978: table 4.— Chauhan & Mairh, 1978: 34.— Murthy, Bhattacharya, & Radia, 1978: 382.— Nizamuddin & Begum, 1978: 318–321, figs. 1–6, pl. I.— Pichon, 1978: 176, 240, 252, 412.— Sivalingam, 1978a: 329.— Basson, 1979: 57.— Kinkar & M. Balakrishnan, 1979: 27, 28.— Dhargalkar, Jagtap, & Untawale, 1980: table 2.— Lawson, 1980: 20.— Moorjani, 1980b: 463, 466, fig. 3.— Seagrief, 1980: 23, fig. on pl. 5.— Sivalingam, 1980b: table 1.— Untawale, Agadi, & Dhargalkar, 1980: 179.— Ohno & Mairh, 1982: table 1.— R. Parekh et al., 1982: 11, table 1.— Untawale, Dhargalkar, & Agadi, 1983: [19].— Aleem, 1984: 921.— McCain, 1984: 98.— McCain et al., 1984: 108–110, 118.— R. Parekh et al., 1984: table 1.— Usmanghani et al., 1984: 76.— Agadi, 1985: 38.— M. Balakrishnan & Kinkar, 1985b: 85–89, figs. 1–23.— Jagtap, 1985a: 46.— W. Jones & Al Hasan, 1985: 187.— Mshigeni, 1985: 16.— Payri, 1985: 640.— R. Qasim & Barkati, 1985: 131, table 3.— Bolton, 1986: 254.— D. Jones, 1986: 31, pl. 6.— Nair et al., 1986: 736.— Usmanghani & Shameel, 1986: table 1.— Bolton & Stegenga, 1987: 170.— Chennubhotla, Kaliaperumal, & Kalimuthu, 1987a: 104–105, figs. 4E,F.— R. Parekh & Chauhan, 1987: table 1.— Shameel, 1987a: 513.— Shameel & Afaq Hussain, 1987: 295.— Umamaheswara Rao, 1987a: 22.— Womersley, 1987: 297.— Banaimoon, 1988a: 219.— M. Begum & Khatoon, 1988: 300, 303.— Coles, 1988: 213.— Kendrick, Walker, & McComb, 1988: 205, table 1.— Moorjani & Simpson, 1988: 18, pl. 31.— Qari & Qasim, 1988: 451.— Seagrief, 1988: 46, fig. 5:5.— Tewari & H. Joshi, 1988: 391, 393, tables VI, IX.— Al-Hasan & W. Jones, 1989: 297, pl. 5: fig. 37.— R. Anderson & Stegenga, 1989: 302.— Basson, Mohamed, & Arora, 1989: 31.— Pant & Untawale, 1989: tables 4, 5.— Untawale & Jagtap, 1989: table I.— Bolton & Stegenga, 1990: 237.— Huisman et al., 1990: 92.— Huisman & Walker, 1990: 380.— Kendrick, Huisman, & Walker, 1990: 50.— Yarish & Wamukoya, 1990: table 2.— Coles & Fadlallah, 1991: 234.— Phang & Wee, 1991: 60.— Shaikh, Shameel, Ahmad, & Usmanghani, 1991: 77–79, table I.— Abbas, Basson, & Gamal El-Din, 1992: 63.— Basson, 1992: 221.— Basson & Abbas, 1992: 60.— M. Begum & Khatoon, 1992b: 23–24, fig. 1.— Coppejans & Prud'homme van Reine, 1992a: 180.— Kalimuthu, Kaliaperumal, & Ramalingam, 1992: 122.— Kalugina-Gutnik, Perestenko, & Titlyanova, 1992: 22 (table 1).— Makemson, Fulayfil, & Basson, 1992: 2342.— Naqvi et al., 1992: 133.— Shameel & J. Tanaka, 1992: 40.— Titlyanova, Perestenko, & Kalugina-Gutnik, 1992: 44.— Amjad & Shameel, 1993a: 7.— Farrell, Critchley, & Aken, 1993: 150.— Jagtap, 1993: table I.— Jayasankar & Ramalingam, 1993: 42.— Qari & Qasim, 1993: 230.— Branch et al., 1994: 320, pl. 152.1.— Ormond & Banaimoon, 1994: 117.— Shaikh & Shameel, 1995: 27–28, fig. 12.— Wynne, 1995: 324.
Taxonomic synonym:
* Stilophora vesicata Harvey, 1834a: 149 (`Stylophora') (type locality: Mauritius).
Encoelium vesicatum (Harvey) Kützing, 1849: 552.—G. Martens, 1868: 70–71.— G. Martens, 1869b: 456.
Invalid names referable to this species (fide specimens in UC):
* Asperococcus sinuosus (Mertens ex Roth) Bory de Saint-Vincent var. lobatus Endlicher & Diesing, 1845a: 268 (name without a description; intended type locality: Karek [Kharg] Island, Iran).
Scytosiphon cavernosus (Forsskål) Trevisan var. lobatus Trevisan, 1849b: 434; intended basionym: Asperococcus sinuosus var. lobatus Endlicher & Diesing).
INDIAN OCEAN DISTRIBUTION: Andaman Islands, Australia, Bahrain, Bangladesh, India, Indonesia (Java and Sumba), Iran, Kenya, Kuwait, Laccadive Islands, Madagascar, Malaysia, Mauritius, Mozambique, Pakistan, Réunion, Rodriguez Island, Saudi Arabia, Seychelles (including Mahé Island), Singapore, Somalia, South Africa, Sri Lanka, Tanzania, Yemen.
Note: Stilophora vesicata is included as a synonym on the authority of J. Agardh (1848b: 75) and Børgesen (1941: 62).