Acetabularia crenulata Lamouroux, 1816: 249, pl. VIII: fig. 1 (type locality: Caribbean Sea).—Durairatnam, 1961a: 31, pl. V: figs. 6, 7.— Mahendran et al., 1980: table 1.— Solimabi et al., 1981: table 1.— Mageswaran & Sivasubramaniam, 1984a: 175.— Mageswaran & Sivasubramaniam, 1984b: tables 1–3.— Kamat et al., 1991: 54.— Berger & Kaever, 1992: 144.— Kamat et al., 1992: table I.
INDIAN OCEAN DISTRIBUTION: Andaman Islands, Sri Lanka.
Note: This species was said by Valet (1969: 615–617) to occur only in the tropical Atlantic.