2005 (Cape Peninsula) Family Desmacellidae Yellow encrusting sponge, Biemna anisotoxa Levi, 1963 (West Coast to Port Elizabeth) Order Haplosclerida Family Chalinidae Turret sponge, Haliclona (Haliclona) anonyma (Stephens, 1915) (Cape Peninsula to Sodwana Bay) Encrusting turret sponge, Haliclona (Haliclona) stilensis Burton, 1933 (West and South Coasts) Order Dictyoceratida Family Irciniidae Black stink sponge, Ircinia arbuscula (Hyatt, 1877) (syn. Sarcotragus australis) (Cape Peninsula to Cape Agulhas, also Australia) Sand cup sponge, Psammocinia cf. arenosa (Orange River to Cape Peninsula) Cnidarians Anthozoa Hexacorallians Order: Actiniaria – Anemones Family Halcampidae Brooding anemone, Halianthella annularis Carlgren, 1938 (Lamberts Bay to Cape Agulhas, endemic) Family Sagartiidae Striped anemone, Anthothoe chilensis(Lesson, 1830) (Luderitz to Richards Bay, also Argentina, Brazil, Chile and St. Helena) Square-mouth striped anemone, Anthothoe sp. (False Bay) (still being described) Family Actiniidae Violet-spotted anemone, Anthostella stephensoni Carlgren, 1938 (Luderitz to Richards Bay, endemic) Dwarf-spotted anemone, Anthostella n. sp. (Cape Peninsula to Port Elizabeth, possibly endemic) (still being described) Knobbly anemone, Bunodosoma capensis (Lesson, 1830) (Luderitz to Durban) False plum anemone, Pseudactinia flagellifera (Drayton in Dana, 1846) (Luderitz to Durban) Long-tentacled anemone, Anthopleura michaelseni (Pax, 1920) (Luderitz to Durban) Spinnaker anemone, Korsaranthus natalensis (Carlgren, 1938) (False Bay to Durban) Sandy anemone, Bunodactis reynaudi (Milne-Edwards, 1857) (Luderitz to Durban) (syn. Aulactinia reynaudi) Clown anemone undescribed (False Bay) Family Preactiidae Walking anemone, sock anemone Preactis millardae England in England & Robson, 1984 (Cape Peninsula) Family Isanthidae Ring-tentacle anemone, Isanthus capensis Carlgren, 1938 (South African Atlantic coast) Order Corallimorpharia Family Corallimorphidae Strawberry anemone, Corynactis annulata (Verrill, 1867) (Port Nolloth to Mossel Bay) Order Zoanthids Family Parazoanthidae Cape zoanthid, Isozoanthus capensis (Cape Peninsula to Port St Johns) Sponge zoanthid, Parazoanthus sp. (False Bay) Order Cerianthids Family Cerianthidae Burrowing anemone, Ceriantheopsis austroafricanus Molodtsova, Griffiths and Acuna 2012 (False Bay and Hermanus) White burrowing anemone Ceriantheopsis nikitai Molodtsova, 2001 (Table Bay) Octocorallians Order Scleractinia Family Dendrophylliidae Cup coral, Balanophyllia (Balanophyllia) bonaespei van der Horst, 1938 (Saldanha Bay to East London) Family Caryophylliidae Large cup coral, Caryophyllia sp. (False Bay) Order Alcyonacea – soft corals Family Alcyoniidae Purple soft coral, Alcyonium fauri Studer, 1910 (Saldanha Bay to Richards Bay) Valdivian soft coral, Alcyonium valdiviae Kukenthal, 1906 (Cape Peninsula to northern KwaZulu-Natal) Variable soft coral, Eleutherobia variabile (J.S. Thomson, 1921) (Cape Peninsula to northern KwaZulu-Natal) (syn. Alcyonium variabile) Sun-burst soft coral, Malacacanthus capensis (Hickson, 1900) (Cape Peninsula to southern KwaZulu-Natal) Family Gorgoniidae Flagellar sea fan, whip fan, Eunicella albicans (Kolliker, 1875) (Cape Peninsula