Acetabularia parvula Solms-Laubach, 1895: 29, pl. 2: figs. 3, 5 (syntype localities: "Tropical India''; Celebes, Indonesia).—Weber-van Bosse, 1913a: 91–92.— Salim, 1965: 195.— Valet, 1969: 621–623, pl. 29; pl. 38: figs. 1, 4, 5; pl. 45: figs. 5–7.— Egerod, 1975: 63, figs. 36–38.— Untawale, Dhargalkar, & Agadi, 1983: [16].— Payri, 1985: 640.— Chaugule, Quadri, & Goswamy, 1989: 114, figs. 57, 58.— Kalugina-Gutnik, Perestenko, & Titlyanova, 1992: 23 (table 1).— Titlyanova, 1992: 36.— Titlyanova, Perestenko, & Kalugina-Gutnik, 1992: 44.
Polyphysa parvula (Solms-Laubach) Schnetter & Bula Meyer, 1982: 42.—Sartoni, 1986: 365, fig. 5B.— Shameel, 1987a: 512.— Shameel & Afaq Hussain, 1987: 294.— Berger & Kaever, 1992: 166, figs. 3.78–3.80.— Shameel & J. Tanaka, 1992: 25.— Wynne, 1995: 333–334, fig. 89.
Taxonomic synonyms:
Acetabularia wettsteinii Schussnig, 1930: 338, figs. 1–4 (type locality: Gulf of Salerno, Italy).—Menon et al., 1993: 59.
* Acetabularia moebii Solms-Laubach, 1895: 30, pl. 4: fig. 1 (type locality: Mauritius).—P. Anand, 1940: 5, 6, 39–41, figs. 20A–C.— Børgesen, 1940: 44.— Børgesen, 1951: 6–8, figs. 1, 2.— Egerod, 1952: 411, 413, fig. 23i.— Chacko, Mahadevan, & R. Ganesan, 1955: 11.— Papenfuss & Egerod, 1957: 91.— Isaac & Chamberlain, 1958: 139–140, fig. 12.— Pocock, 1958: 25.— Varma, 1959: 248.— Baissac, Lubet, & Michel, 1962: 262.— Nizamuddin, 1964a: 77–81, figs. 1–13.— S. Dixit, 1968: 14.— Nizamuddin, 1969: 267–269, figs. 43, 44, pl. XII.— K.R. Rao & Acharlu, 1969: 261.— Umamaheswara Rao, 1969d: 37.— V. Krishnamurthy & H. Joshi, 1970: 7.— Moorjani, 1970: 49–50, fig. 2.— R. Patel & Francis, 1970: 52, figs. 1–4.— Isaac, 1971: 10.— Rhyne, 1971: 48.— Umamaheswara Rao, 1972: 221.— Farghaly, 1980: 84.— Lawson, 1980: 1.— Moorjani, 1980a: 472–474, fig. 3.— Seagrief, 1980: 22, fig. on pl. 3.— S. Singh & Chowdary, 1980: 454, table 2.— Untawale, Dhargalkar, & Agadi, 1983: [13].
Misapplied name (fide Børgesen, 1940: 44):
Acetabularia calyculus.—Dickie, 1874b: 198.
INDIAN OCEAN DISTRIBUTION: Aldabra Islands, Diego Garcia Atoll, India, Indonesia, Kenya, Mauritius, Mozambique, Pakistan, Réunion, Seychelles (including Mahé Island), Singapore, Somalia, South Africa, Tanzania, Thailand.
Note: The synonymy was proposed by Valet (1969: 621–623).