Conferva aestuarii Mertens in Jürgens, 1816: fasc. 2: no. 8 (type locality: "Dynastia Jeverana'' [Oldenburg, Germany]).
Lyngbya aestuarii (Mertens) Liebman, 1839: 492.—Hauck, 1888 [1886–1889]: 93 (`L. aeruginea', in error).— Jadin, 1894: CLXIII.— Hieronymus, 1895a: 9.— Forti, 1907: 262–265.— Reinbold, 1907: 553.— Weber-van Bosse, 1913a: 13–14.— Frémy, 1930b: 214, fig. 49.— Biswas, 1932: 188, pl. 28: fig. 5.— S. Dixit, 1936: 104.— Frémy, 1941: 20, 21, 27.— Biswas, 1949a: 56–57, pl. I: fig. 9.— Desikachary, 1959: 305, 307, pl. 52: fig. 8.— T. Pillay, Vijayaraghavan, & Thakurta, 1962: 420.— Sigee, 1966: 68.— Tsuda & Newhouse, 1966: 94.— Golubic, 1973a: 459.— Patnaik, 1973: 62.— Logan, Hoffman, & Gebelein, 1974: 146, 194.— Golubic, 1976: 114, 119–120, 126, fig. 1f, pl. I:6.— Hoffman, 1976: fig. 3.— Kinsman & Park, 1976: 425.— Basson et al., 1977: 258.— Basson, 1979: 63, pl. VIII: fig. 39.— Salam & Khan, 1979b: 100, pl. II: fig. 4.— Golubic, 1982: 279.— Whitton & Potts, 1982: 527.— Capon et al., 1983: 1182.— Bauld, 1984: 44.— Golubic, 1985: 8, 12.— N. Anand et al., 1986: 53, fig. 21.— D. Jones, 1986: 28, pl. 4.— Al-Hasan & W. Jones, 1989: 306, pl. 10: fig. 89.— Palmisano et al., 1989: 655.— Ghisalberti & Jefferies, 1990: 100, table 4.— Thajuddin & G. Subramanian, 1992a: table III.
INDIAN OCEAN DISTRIBUTION: Abu Dhabi, Australia, Bangladesh, Djibouti, India, Indonesia, Kuwait, Madagascar, Maldives, Mauritius, Réunion, Saudi Arabia, Tanzania.
Note: Drouet (1968: 263, 292) chose a specimen in L as the lectotype of this species and assigned it to Microcoleus lyngbyaceus (Kützing) P. Crouan & H. Crouan.