Rhodymenia alcicornis J. Agardh, 1841: 447 (`Rhodomenia') (type locality: "ad oras N. Hollandiae'' [Australia]).
Callophyllis alcicornis (J. Agardh) J. Agardh, 1847: 13 (`Calophyllis').—Dickie, 1874b: 196.
Austrophyllis alcicornis (J. Agardh) Womersley & R. Norris, 1971: 27.
INDIAN OCEAN DISTRIBUTION: Mauritius.