Cladophora mauritiana Kützing var. ungulata Brand, 1904: 180–181, pl. V: figs. 10, 11 (type locality: Hawaiian Islands).—Reinbold, 1907: 558.— Lawson, 1980: 9.
Cladophora inserta Dickie forma ungulata (Brand) Setchell, 1926a: 75–76, pl. 22: fig. 1.—Børgesen, 1948: 9–10, fig. 2.— Hackett, 1977: 24 (with query).
INDIAN OCEAN DISTRIBUTION: Maldives?, Mauritius, Tanzania.