Jania verrucosa Lamouroux, 1816: 270, pl. IX: fig. 4 (type locality: "Amérique Méridionale'').—Zanardini, 1872: 143.— Lambert & Steinke, 1986a: 54.— Lambert & Steinke, 1986b: 203, 211, 215.— R. Anderson & Stegenga, 1989: 303.— Huisman & Walker, 1990: 412.— Farrell, Critchley, & Aken, 1993: 152.— Johansen & Womersley, 1994: 616–618.
Taxonomic synonyms:
Jania pedunculata Lamouroux, 1816: 270, pl. IX: fig. 3 (type locality: "Australasie'').
Corallina pedunculata (Lamouroux) Kützing, 1858: 37, pl. 78: fig. II.—Dickie, 1874b: 193.
Jania crassa Lamouroux, 1821: 23, pl. 69, figs. 9, 10 (type locality: Dusky Sound, New Zealand).—Bolton & Stegenga, 1987: 175.— Seagrief, 1988: 52, fig. 5:8.— R. Anderson & Stegenga, 1989: 303.— Farrell, Critchley, & Aken, 1993: 152.
* Jania natalensis Harvey, 1849 [1847–1849]: 107 (type locality: Port Natal [Durban], South Africa).—Areschoug, 1852: 558.— Barton, 1893: 204.— De Toni, 1905: 1856.— Stephenson, Stephenson, & du Toit, 1937: 355, 373.— Stephenson, 1947: 301.— Durairatnam & Ragunathamuthaliar, 1976: 656, table 1.— Brown & Jarman, 1978: 1258, 1259.— Mageswaran & Sivasubramaniam, 1984a: 175.— Mageswaran & Sivasubramaniam, 1984b: tables 1–3, 5.— Mageswaran, V. Balakrishnan, & Balasubramaniam, 1985: table 1.
Corallina natalensis (Harvey) Kützing, 1858: 38, pl. 79: figs. IIc–f.
INDIAN OCEAN DISTRIBUTION: Australia, Mauritius, Singapore, South Africa, Sri Lanka.
Note: Jania natalensis was merged with J. crassa by Johansen (1971: 247), while J. crassa and J. pedunculata were merged with J. verrucosa by Johansen & Womersley (1994: 616).