Ceramium pusillum Harvey, 1863: xlvii–xlviii (lectotype locality: Port Fairy, Victoria, Australia fide Womersley, 1978: 221).—J. Agardh, 1876: 104–105.— Sonder, 1880: 13.— J. Agardh, 1894b: 21–22.— De Toni, 1903: 1458–1459.— Lucas, 1909: 53.— Lucas & Perrin, 1947: 367.— Womersley, 1978: 220–222, figs. 2B, 8.— Huisman & Walker, 1990: 422.
INDIAN OCEAN DISTRIBUTION: Australia.
Note: The name Ceramium pusillum, without a description, was used by Harvey in his Australian exsiccata (1857c: no. 474).