Spyridia horridula Schmitz ex J. Agardh, 1897: 15 (type locality: South Africa [mouth of Kowie River, Port Alfred, Cape Province fide Mazza, 1912 [1905–1918]: 21]).—Mazza, 1912 [1905–1918]: 18–21.— De Toni, 1924: 503.— Stegenga, 1986: 68, pl. 20: figs. 3, 4.— Seagrief, 1988: 62, fig. 5:13.— Stegenga & Bolton, 1992: fig. 3, table I.
INDIAN OCEAN DISTRIBUTION: South Africa.