Oscillatoria splendida Greville, 1824: 304 (type locality: Edinburgh, Scotland).—T. Pillay, Vijayaraghavan, & Thakurta, 1962: 420.— G. Subramanian et al., 1989: 311.— Thajuddin & G. Subramanian, 1992a: table III.
Geitlerinema splendidum (Greville) Anagnostidis, 1989: 43.
INDIAN OCEAN DISTRIBUTION: India.
Note: Drouet (1968: 166, 168), after examining the holotype of this species (in E), assigned it to Porphyrosiphon as P. splendidus (Greville) Drouet. This species was known by Drouet only from fresh water.