Udotea papillosa A. Gepp & E. Gepp, 1911: 111–113, 142, pl. II: figs. 17, 20; pl. III: fig. 24; pl. V: figs. 37, 38 (syntype localities: various in Indonesia, including Noimini Bay [Teluk Noilmina], Timor).—Weber-van Bosse, 1913a: 116.
Decaisnella papillosa (A. Gepp & E. Gepp) Farghaly, 1980: 156, nom. inval. (including Indian Ocean record).
INDIAN OCEAN DISTRIBUTION: Indonesia (Timor).
Note: The generic name Decaisnella was not validly published so that the binomial D. papillosa is also invalid (see Art. 43.1).