Spirocoleus lagerheimii Möbius, 1889: 312, pl. X: figs. 1, 2 (type locality: Lagoa Rodrigo de Freitas, Brazil).
Lyngbya lagerheimii (Möbius) Gomont, 1890: 355.—Farghaly, 1980: 140.
INDIAN OCEAN DISTRIBUTION: Madagascar.
Note: Drouet (1968: 43, 67) selected a neotype for this species in PH and assigned it to Schizothrix calcicola (C. Agardh) Gomont.