Phyllotylus australis J. Agardh, 1847: 9, footnote (type locality: "Mar. Austral.'' [Pacific Ocean, possibly Monterey, California, U.S.A.]).
Prionitis australis (J. Agardh) J. Agardh, 1851 [1851–1863]: 188.—Jagtap, 1985a: 47.
INDIAN OCEAN DISTRIBUTION: Andaman Islands.