Protococcus turgidus Kützing, 1846a: 5, pl. 6 (type locality: "Zwischen Oscillarieen und Lyngbyeen'' [Freiburg im Breisgau, Baden-Württemberg, Germany fide Drouet & Daily, 1956: 70]).
Chroococcus turgidus (Kützing) Nägeli, 1849: 46.—Weber-van Bosse, 1913a: 4.— Frémy, 1941: 20, 21, 22.— N. Anand et al., 1986: 50, fig. 3.— Coppejans & Gallin, 1989: 52.— Lambert, Steinke, & Naidoo, 1989: 481, fig. 5, tables 2, 3.— G. Subramanian et al., 1989: 310, 311, 313–316, 318–320.— S. Silva, 1992a: 109, fig. 7 (var. turgidus).— S. Silva, 1992b: 103, fig. 10 (var. turgidus).— Thajuddin & G. Subramanian, 1992a: table III.
INDIAN OCEAN DISTRIBUTION: Djibouti, India, Indonesia (Flores), Kenya, Mozambique, South Africa.
Note: Drouet & Daily (1956: 70, 72), after examining the holotype of this species (in L), assigned it to Anacystis dimidiata (Kützing) Drouet & Daily.