Polysiphonia calodictyon Harvey ex Kützing, 1864: 16, pl. 46: figs. a–c (type locality: Tonga).
Roschera calodictyon (Harvey ex Kützing) Weber-van Bosse, 1923: 359–361, pl. X: figs. 6–8 (including Indian Ocean record).—De Toni, 1924: 405.
Tolypiocladia calodictyon (Harvey ex Kützing) P. Silva, 1952a: 308.—Isaac, 1968: 5.— Jaasund, 1977b: 410.— Farghaly, 1980: 159.— Lawson, 1980: 61.— Ballesteros, 1994: 541, fig. 4.
Taxonomic synonym:
* Roschera africana Sonder, 1879: 3, 81–82, pl. I: figs. 5–11 (type locality: "Sansibar'' [Kenya or Tanzania]).—Schmitz, 1895a: 140, 160–162.— Schmitz, 1895b: 28.— Lawson, 1980: 59.
INDIAN OCEAN DISTRIBUTION: Kenya, Madagascar, Mauritius, Tanzania.
Note: The synonymy was proposed by Weber-van Bosse (1923: 359–361).