Family Tethyidae Gray, 1848

Genus Stellitethya Sarà, 1994

Stellitethya incrustans sp. nov.

ORDER TETRACTINELLIDA Marshall, 1876

SUBORDER ASTROPHORINA Sollas, 1887

Family Theonellidae Lendenfeld, 1903

Genus Theonella Gray, 1868

Theonella timmi sp. nov.

Theonella swinhoei Gray, 1868

ORDER POECILOSCLERIDA Topsent, 1928

Family Microcionidae Carter, 1875

Genus Clathria Schmidt, 1862

Clathria (Clathria) ramsayiensis sp. nov.

Clathria (Clathria) multiformis sp. nov.

Family Chondropsidae Carter, 1886

Genus Chondropsis Carter, 1886

Chondropsis cf. lamella (Lendenfeld, 1888)

Chondropsis isimangaliso sp. nov.

Family Iotrochotidae Dendy, 1922

Genus Iotrochota Ridley, 1884

Iotrochota nigra (Baer, 1906)

Iotrochota sinki sp. nov.

Family Mycalidae Lundbeck, 1905

Genus Mycale Gray, 1867

Mycale (Aegogropila) crassissima (Dendy, 1905)

ORDER AXINELLIDA Lévi, 1953

Family Axinellidae Carter, 1875

Genus Dragmacidon Hallmann, 1917

Dragmacidon sanguineum (Burton, 1933)

Genus Cymbastela Hooper & Bergquist, 1992

Cymbastela sodwaniensis Samaai, Pillay & Kelly, 2009

Genus Phakellia Bowerbank, 1862

Phakellia rubra sp. nov.

Family Stelligeridae Lendenfeld, 1898

Genus Higginsia Higgin, 1877

Higginsia natalensis Carter, 1885

ORDER SCOPALINIDA Morrow & Cárdenas, 2015

Family Scopalinidae Morrow, Picton, Erpenbeck, Boury-Esnault, Maggs & Allcock, 2012

Genus Stylissa Hallmann, 1914

Stylissa carteri (Dendy, 1889)

ORDER AGELASIDA Hartman, 1980

Family Agelasidae Verrill, 1907

Genus Agelas Duchassaing & Michelotti, 1864

Agelas oxeata Lévi, 1961

ORDER HAPLOSCLERIDA Topsent 1928

Family Callyspongiidae de Laubenfels, 1936

Genus Callyspongia Duchassaing & Michelotti, 1864

Callyspongia (Callyspongia) confoederata (Ridley, 1884)

Callyspongia (Callyspongia) fadwae sp. nov.

Callyspongia (Cladochalina) diffusa (Ridley, 1884)

Family Petrosiidae Van Soest, 1980

Genus Xestospongia De Laubenfels, 1932

Xestospongia viridenigra (Vacelet, Vasseur & Lévi, 1976)

SUBCLASS KERATOSA Grant, 1861

Order Dictyoceratida Minchin, 1900

Family Irciniidae Gray, 1867

Genus Ircinia Nardo, 1833

Ircinia lividus sp. nov.

Genus Psammocinia Lendenfeld, 1889

Psammocinia cf. arenosa (Lendenfeld, 1888)

Psammocinia alba sp. nov.

Family Spongiidae Gray, 1867

Genus Spongia Linnaeus, 1759

Spongia (Heterofibria) cooki sp. nov.

Spongia (Heterofibria) smaragdus sp. nov.

Family Dysideidae Gray, 1867

Genus Euryspongia Row, 1911

Euryspongia coeruleum sp. nov.

ORDER DENDROCERATIDA Minchin, 1900

Family Darwinellidae Merejkowsky, 1879

Genus Aplysilla Schultze, 1878

Aplysilla cf. lacunosa Keller, 1889