Tethea robusta Bowerbank, 1873 accepted as Tethya robusta (Bowerbank, 1873) (basis of record)
Tethya acuta Sarà & Sarà, 2004 (original description)
Tethya bergquistae Hooper in Hooper & Wiedenmayer, 1994 (basis of record)
Tethya burtoni Sarà & Sarà, 2004 (original description)
Tethya corticata Lendenfeld, 1888 accepted as Tethya ingalli (Bowerbank, 1858) (additional source)
Tethya deformis Thiele, 1898 (additional source)
Tethya dendyi Sarà & Sarà, 2004 (original description)
Tethya expansa Sarà & Sarà, 2004 (original description)
Tethya flexuosa Sarà & Sarà, 2004 (original description)
Tethya gigantea (Lendenfeld, 1888) (basis of record)
Tethya gunni Sarà & Sarà, 2004 (original description)
Tethya hooperi Sarà & Sarà, 2004 (original description)
Tethya inflata Lendenfeld, 1888 accepted as Tethya ingalli (Bowerbank, 1858) (additional source)
Tethya ingalli (Bowerbank, 1858) (basis of record)
Tethya laevis (Lendenfeld, 1888) (basis of record)
Tethya magna Kirkpatrick, 1903 (basis of record)
Tethya monstrosa (Burton, 1924) (basis of record)
Tethya multistella Lendenfeld, 1888 (basis of record)
Tethya multistella var. megastella Lendenfeld, 1888 accepted as Tethya multistella Lendenfeld, 1888 (basis of record)
Tethya orphei Sarà, 1990 (additional source)
Tethya philipensis Lendenfeld, 1888 accepted as Tethya ingalli (Bowerbank, 1858) (additional source)
Tethya pulitzeri Sarà & Sarà, 2004 (original description)
Tethya robusta (Bowerbank, 1873) (additional source)
Tethya robusta (Bowerbank, 1873) (basis of record)
Tethya seychellensis (Wright, 1881) (additional source)
Tethya stellodermis Sarà & Sarà, 2004 (original description)
Tethya tasmaniae Sarà & Sarà, 2004 (original description)

Bassian for Donatia monstrosa Burton, 1924 
Bassian for Tethya acuta Sarà & Sarà, 2004 
Bassian for Tethya dendyi Sarà & Sarà, 2004 
Bassian for Tethya gunni Sarà & Sarà, 2004 
Bassian for Tethya multistella Lendenfeld, 1888 
Bassian for Tethya stellodermis Sarà & Sarà, 2004 
Bassian for Tethya tasmaniae Sarà & Sarà, 2004 
Central and Southern Great Barrier Reef for Tethya hooperi Sarà & Sarà, 2004 
Central and Southern Great Barrier Reef for Tethya pulitzeri Sarà & Sarà, 2004 
Central New Zealand for Tethya burtoni Sarà & Sarà, 2004 
Central New Zealand for Tethya expansa Sarà & Sarà, 2004 
Chatham Island, New Zealand for Tethya multistella Lendenfeld, 1888 
Exmouth to Broome for Tethya flexuosa Sarà & Sarà, 2004 
Exmouth to Broome for Tethya flexuosa Sarà & Sarà, 2004 
Exmouth to Broome for Tethya magna Kirkpatrick, 1903 
Exmouth to Broome for Tethya seychellensis (Wright, 1881) 
Gulf of Aden for Donatia arabica Topsent, 1906 
Houtman for Tethya ingalli (Bowerbank, 1858) 
Houtman for Tethya magna Kirkpatrick, 1903 
Houtman for Tethya multistella Lendenfeld, 1888 
Houtman for Tethya robusta (Bowerbank, 1873) 
Leeuwin for Tethya flexuosa Sarà & Sarà, 2004 
Leeuwin for Tethya ingalli (Bowerbank, 1858) 
Leeuwin for Tethya ingalli (Bowerbank, 1858) 
Leeuwin for Tethya ingalli (Bowerbank, 1858) 
Leeuwin for Tethya robusta (Bowerbank, 1873) 
Lord Howe and Norfolk Islands for Tethya orphei Sarà, 1990 
Manning-Hawkesbury for Tethya bergquistae Hooper in Hooper & Wiedenmayer, 1994 
Manning-Hawkesbury for Tethya dendyi Sarà & Sarà, 2004 
Manning-Hawkesbury for Tethya magna Kirkpatrick, 1903 
Northeastern New Zealand for Tethya burtoni Sarà & Sarà, 2004 
Shark Bay for Tethya flexuosa Sarà & Sarà, 2004 
Shark Bay for Tethya robusta (Bowerbank, 1873) 

Holotype BMNH 1849.11.12.34, geounit Bassian, identified as Tethya gunni Sarà & Sarà, 2004
Holotype BMNH 1886.8.27.631, geounit Bassian, identified as Tethya stellodermis Sarà & Sarà, 2004
Holotype BMNH 1925.11.1.807, geounit Bassian, identified as Tethya acuta Sarà & Sarà, 2004
Holotype BMNH 1938.8.24.25, geounit Central New Zealand, identified as Tethya expansa Sarà & Sarà, 2004
Holotype BMNH 1949.5.24.20, geounit Bassian, identified as Tethya tasmaniae Sarà & Sarà, 2004
Holotype QM G320890, geounit Central and Southern Great Barrier Reef, identified as Tethya hooperi Sarà & Sarà, 2004
Holotype WAM Z4157, geounit Exmouth to Broome, identified as Tethya flexuosa Sarà & Sarà, 2004