Derbesia turbinata Howe & Hoyt, 1916: 106, pl. 11: figs. 10–16 (type locality: Beaufort, North Carolina, U.S.A.).—Umamaheswara Rao & Sreeramulu, 1964: 599.— V. Krishnamurthy & H. Joshi, 1970: 5.— Umamaheswara Rao & Sreeramulu, 1970a: 28–29, fig. 15.— S. Dixit, 1980: 62.— Untawale, Dhargalkar, & Agadi, 1983: [12].
INDIAN OCEAN DISTRIBUTION: India.