Pneophyllum fragile Kützing, 1843b: 385 (type locality: Mediterranean Sea).—Penrose & Woelkerling, 1991: 501.— Huisman, 1993: 14.— Chamberlain & R. Norris, 1994a: 10, 14.— Barry & Woelkerling, 1995: 142.
Taxonomic synonym:
Melobesia lejolisii Rosanoff, 1866: 62–64, pl. I: figs. 1–13 (type locality: near Cherbourg, Manche, France).—Hariot, 1902: 472.— Børgesen, 1939b: 108–109.— S. Dixit, 1970: 118.— Untawale, Dhargalkar, & Agadi, 1983: [30].
Heteroderma lejolisii (Rosanoff) Foslie, 1909: 56.—Hackett, 1977: 18.
Fosliella lejolisii (Rosanoff) Howe, 1920: 588.—S. Qasim, Bhattathiri, & Reddy, 1972: 218.— Farghaly, 1980: 161.
Pneophyllum lejolisii (Rosanoff) Chamberlain, 1983: 359.—V. Krishnamurthy & Jayagopal, 1987c: 93–94, figs. 23, 24.— Al-Hasan & W. Jones, 1989: 301, pl. 7: fig. 57.— Basson, 1992: 225.
INDIAN OCEAN DISTRIBUTION: Australia, India, Iran, Kuwait, Laccadive Islands, Madagascar, Maldives, South Africa.
Note: The synonymy was suggested by Chamberlain (1983: 359) and confirmed by Penrose & Woelkerling (1991: 496). V. Krishnamurthy & H. Joshi (1970: 19) erroneously credited M. Balakrishnan (1947) with recording Melobesia lejolisii from India.