Heteroxyidae Dendy, 1905
Higginsia anfractuosa Hooper & Lévi, 1993
Higginsia arborea (Keller, 1891)
Higginsia bidentifera (Ridley & Dendy, 1886)
Higginsia ciccaresei Pansini & Pesce, 1998
Higginsia coralloides Higgin, 1877
Higginsia durissima (Burton, 1928)
Higginsia fragilis Lévi, 1961
Higginsia higgini Dendy, 1922
Higginsia higginissima Dickinson, 1945
Higginsia kenyensis Pulitzer-Finali, 1993
Higginsia lamella Pulitzer-Finali, 1993
Higginsia massalis Carter, 1885
Higginsia mediterranea Pulitzer-Finali, 1978
Higginsia mixta Hentschel, 1912
Higginsia natalensis Carter, 1885
Higginsia palmata Pulitzer-Finali, 1996
Higginsia petrosioides Dendy, 1922
Higginsia pulcherrima Pulitzer-Finali, 1993
Higginsia pumila (Keller, 1889)
Higginsia pyriformis Brøndsted, 1916
Higginsia robusta Burton, 1959
Higginsia scabra Whitelegge, 1907
Higginsia strigilata (Lamarck, 1814)
Higginsia tanekea Hooper & Lévi, 1993
Higginsia tethyoides Lévi, 1960
Higginsia thielei Topsent, 1898