Ridgewayiidae Wilson, 1958
Ridgewayia boxshalli Barthélémy, Ohtsuka & Cuoc, 1998
Ridgewayia canalis (Gurney, 1927)
Ridgewayia delfine Figueroa & Hoefel, 2008
Ridgewayia flemingeri Othman & Greenwood, 1988
Ridgewayia fosshageni Humes & Smith W.L., 1974
Ridgewayia gracilis M. S. Wilson, 1958
Ridgewayia klausruetzleri Ferrari F.D., 1995
Ridgewayia krishnaswamyi Ummerkutty, 1963
Ridgewayia marki (Esterly, 1911)
Ridgewayia minorcaensis Razouls & Carola, 1996
Ridgewayia shoemakeri M. S. Wilson, 1958
Ridgewayia stygia Ohtsuka, Kase & Boxshall, 2000
Ridgewayia tortuga Figueroa, 2011
Ridgewayia tunela Figueroa & Hoefel, 2008
Ridgewayia typica Thompson I.C. & Scott A., 1903
Ridgewayia wilsonae Fosshagen, 1970
