Codium megalophysum P. Silva, 1959: 125–127, fig. 8, pl. VI (type locality: Port St. Johns, Transkei, South Africa).—Simons, 1977: 22, fig. 41.— Bolton & Stegenga, 1987: 168.— Seagrief, 1988: 40, fig. 5:2.— Branch et al., 1994: 312, pl. 148.7.
Taxonomic synonym (fide P. Silva, 1959: 126):
* Codium mamillosum Harvey var. capense O. Schmidt, 1923: 37 (type locality: mouth of Illovo River, Natal, South Africa).
Misapplied names (fide P. Silva, 1959: 126):
Codium mamillosum.—Barton, 1896: 459.— Stephenson, 1947: 284, 296 (in part).
Valonia aegagropila.—Levring, 1938: 6.
INDIAN OCEAN DISTRIBUTION: South Africa.