Caloglossa monosticha Kamiya
Caloglossa monosticha Kamiya in Kamiya, Tanaka, & Hara, 1997: 33: 105, fig. 5 (type locality: Derby, Western Australia).
INDIAN OCEAN DISTRIBUTION: Western Australia, Singapore.
Curdiea angustata (Sonder) Millar
Epymenia angustata Sonder, 1853: 677 (type locality: Gulf St. Vincent, South Australia).
Curdiea angustata (Sonder) Millar, 1990: 342.--- Womersley, 1996: 40.
INDIAN OCEAN DISTRIBUTION: Australia.
* Dasya ulhasii
Dasya ulhasii S.U. Jadiye & P.S.N. Rao, 2007: 61--64, fig. 1, pl. 1. (type locality: Maharashtra, India).
INDIAN OCEAN DISTRIBUTION: India.
Delisea hypneoides Harvey
Delisea hypneoides Harvey, 1859b: 305 (lectotype locality: Georgetown, Tasmania fide Womersley, 1996: 342).--- Womersley, 1996: 342.
INDIAN OCEAN DISTRIBUTION: Australia.
* Dictyota grossedentata De Clerck & Coppejans
Dictyota grossedentata De Clerck & Coppejans, 1999: 185--189, figs. 1--9 (type locality: Kombe South, Matemwe, Zanzibar, Tanzania).
INDIAN OCEAN DISTRIBUTION: Maldives, Sri Lanka, Tanzania.
* Dictyota rigida De Clerck & Coppejans
Dictyota rigida De Clerck & Coppejans, 1999: 189--191, figs. 10--17 (type locality: Kunduchi, Dar es Salaam, Tanzania).
INDIAN OCEAN DISTRIBUTION: Tanzania.
* Gelidium usmanghanii Afaq-Husain & Shameel
Gelidium usmanghanii Afaq-Husain & Shameel, 1996: 440, figs. 1--18 (type locality: Buleji, Karachi, Pakistan).
INDIAN OCEAN DISTRIBUTION: Pakistan.
* Heterothamnion platythaliae Athanasiadis
Heterothamnion platythaliae Athanasiadis, 1996: 186, figs. 95--97 (type locality: Cape Leewin, Western Australia).
INDIAN OCEAN DISTRIBUTION: Australia.
Holmsella australis Noble & Kraft
Holmsella australis Noble & Kraft, 1984: 393, figs. 1--15 (type locality: Flinders, Westernport, Victoria, Australia).--- Womersley, 1996: 13.
INDIAN OCEAN DISTRIBUTION: Australia.
* Hypoglossum androlamellare Wynne & De Clerck
Hypoglossum androlamellare Wynne & De Clerck, 2000: 114, 116, figs. 1--10 (type locality: Fungu Reef, Kunduchi, Tanzania).
INDIAN OCEAN DISTRIBUTION: Tanzania.
Lithophyllum neoatalayense Masaki
Lithophyllum neoatalayense Masaki, 1968: 34, pl. XVII: figs. 1, 4; pl. XVIII: figs 1, 2, 4--7; pl. LVII: figs. 1--3; pl. LIX (type locality: Kominato Town, Chiba Prefecture, Japan).--- Chamberlain, 1996: 210, 212--215, figs. 32--55.
INDIAN OCEAN DISTRIBUTION: South Africa.
Lomentaria pyramidalis Kraft & Womersley
Lomentaria pyramidalis Kraft & Womersley in Womersley, 1996: 138, fig. 58 (type locality: Port MacDonnell, South Australia).
INDIAN OCEAN DISTRIBUTION: Australia.
Rhipiliopsis echinocaulos (Cribb) Farghaly
Geppella echinocaulos Cribb, 1960: 6 (type locality: Caloundra, Queensland, Australia).
Rhipiliopsis echinocaulos (Cribb) Farghaly in Kraft, 1986: 54.--- Coppejans, De Clerck & Leliaert, 1999: 380--381.
INDIAN OCEAN DISTRIBUTION: Seychelles.
* Scageliopsis strongylekystis Athanasiadis
Scageliopsis strongylekystis Athanasiadis, 1996: 180, fig. 88 (type locality: Abrolhos Islands, Western Australia).
INDIAN OCEAN DISTRIBUTION: Australia.
* Scinaia shameelii Afaq-Husain
Scinaia shameelii Afaq-Husain, 1996: 450, figs. 1--30 (type locality: Manora, Karachi, Pakistan).
INDIAN OCEAN DISTRIBUTION: Pakistan.
Spatoglossum australasicum Kützing
Spatoglossum australasicum Kützing, 1859: 20, pl. 48: fig. II (type locality: Lefevre Peninsula, South Australia).--- Begum & Khatoon, 1993: 97, figs. 3, 4, 5D, 5E.
INDIAN OCEAN DISTRIBUTION: Pakistan.
Note: Spatoglossum australasicum was erroneously listed as Stypopodium australasicum in the printed Catalogue.
Titanoderma polycephalum (Foslie) Woelkerling, Chamberlain, & P. Silva
Lithophyllum polycephalum Foslie, 1905: 16 (type locality: St. Vincent, Cape Verde Islands).
Titanoderma polycephalum (Foslie) Woelkerling, Chamberlain, & P. Silva, 1985: 333 (table 2).--- Chamberlain, 1996: 216, figs. 56--61.
INDIAN OCEAN DISTRIBUTION: South Africa.
Trithamnion gracilissimum Wollaston
Trithamnion gracilissimum Wollaston, 1968: 389, figs. 38I--P (type locality: Kangaroo Island, South Australia).--- Athanasiadis, 1996: 101.
INDIAN OCEAN DISTRIBUTION: Australia.
Vanvoorstia incipiens De Clerck, Wynne & Coppejans
Vanvoorstia incipiens De Clerck, Wynne, & Coppejans, 1999: 394--400 (type locality: Pongwe, Zanzibar Island, Tanzania).
INDIAN OCEAN DISTRIBUTION: Tanzania.
Zonariophila semiendophytica Stegenga & Kemperman
Zonariophila semiendophytica Stegenga & Kemperman, 1996: 126--133, figs. 1--12 (type locality: Port Alfred, Cape Province, South Africa).
INDIAN OCEAN DISTRIBUTION: South Africa.
Note: Zonariophila semiendophytica is the type of a new genus.