Oscillatoria lloydiana Gomont, 1899: 39, pl. I: fig. 17 (type locality: Morbihan, France).—Frémy, 1941: 20, 21, 27.
Phormidium lloydianum (Gomont) Anagnostidis & Komárek, 1988: 405.
INDIAN OCEAN DISTRIBUTION: Djibouti.
Note: Drouet (1968: 219, 221), after examining the holotype of this species (in PC), assigned it to Arthrospira brevis (Kützing) Drouet.