Schizothrix rubella Gomont, 1892a: 300, pl. 6: figs. 4, 5 (lectotype locality: Antibes, Alpes-Maritimes, France fide Drouet, 1968: 126, 129).—Basson, 1992: 223.
INDIAN OCEAN DISTRIBUTION: Kuwait.
Note: Among numerous taxonomic synonyms cited by Drouet (1968) is Phormidium corium (C. Agardh) Kützing, which is listed separately in this catalogue.