Nitophyllum tongatense Grunow, 1874: 44–45 (type locality: Tongatapu, Tonga).—Svedelius, 1909: 138–149, figs. 1–5.— Weber-van Bosse, 1923: 388.
INDIAN OCEAN DISTRIBUTION: Indonesia (Timor), Sri Lanka.
Note: This species was not considered by Kylin (1924) in his monograph of the Delesseriaceae.