Rhodymenia prolifera Harvey, 1855a: 249 (type locality: Hawke Bay, New Zealand).
Calliblepharis prolifera (Harvey) J. Agardh, 1876: 432–433.—Weber-van Bosse, 1913b: 117.— Weber-van Bosse, 1914: 281.— De Toni, 1924: 278.
Tylotus prolifer (Harvey) Kylin, 1932: 60 (`proliferus').—Jaasund, 1976: 87, fig. 175.— Jaasund, 1977c: 421.— Mshigeni, 1977e: 656–660, figs. 1–4.— Lawson, 1980: 62.
Gracilaria truncata Kraft, 1977c: 495.
INDIAN OCEAN DISTRIBUTION: Amirante Islands, Tanzania.
Note: In transferring Tylotus prolifer to Gracilaria, Kraft (l.c.) was faced with the prior existence of G. prolifera Reinsch (1888: 147; type locality: South Georgia), a species not reported from the Indian Ocean, and was obligated to propose a new name.