Gigantoporidae Bassler, 1935
Gigantopora birostris Tilbrook, 2006
Gigantopora cribraria (MacGillivray, 1895)
Gigantopora foraminosa Hayward & Cook, 1983
Gigantopora kirkpatricki Hayward, 1988
Gigantopora lyncoides Ridley, 1881
Gigantopora oropiscis Gordon & d'Hondt, 1997
Gigantopora polymorpha (Busk, 1884)
Gigantopora profunda Harmer, 1957
Gigantopora proximalis Gordon, 1984
Gigantopora pupa (Jullien, 1903)
Gigantopora spiculifera Canu & Bassler, 1927
Gigantopora tuberculosa (Maplestone, 1902)
Gigantopora unirostris Canu & Bassler, 1929
Gigantopora verrucosissima Moyano, 2002
