Radiodiscus abietum H.B. Baker, 1930 Oregon
Helicodiscus aldrichianus W.F. Clapp, 1907
Radioconus amoenus (K.H.J. Thiele, 1927) Brazil
Radiodiscus andium H.A. Pilsbry, 1944 Peru, Junin
Helicodiscus apex (C.B. Adams, 1849) Cuba
Lilloiconcha aysensis F.A.W. Miquel& G.M. Barker, 2009 Puerto Chacabuco, Aisén, Chile
Radiodiscus bactricolus (R.J.L. Guppy, 1868) Nicaragua
Helicodiscus barri L.R. Hubricht, 1962 Tennessee
Radiodiscus bequaerti Florez, 1968
Helicodiscus bisulcatus (A.V.M.D. D'Orbigny,1842)
Radiodiscus bolachaensis Á.L.M. da Fonseca& J.W. Thomé, 1995 Brazil
Helicodiscus bonamicus L.R. Hubricht, 1978 North Carolina, Swain County
Chanomphalus cidarisca (E.C. Von Martens, 1892) Mexico, Chiapas
Zilchogyra clara (K.H.J. Thiele, 1927) Brazil, Santa Catarina
Stenopylis coarctata (O.F. von Möllendorff,1894) Malaysia, Borneo
Radiodiscus coarctatus M.I. Hylton-Scott, 1979 Northern Territory
Radiodiscus compactus (H.H. Suter, 1900) Brazil
Radiodiscus coppingeri (E.A. Smith, 1881) Argentina, Tierra del Fuego
Radioconus costellifer M.I. Hylton-Scott, 1957 Brazil, Paranà
Lilloiconcha costulata B. Hausdorf, 2005
Radiodiscus cuprinus Á.L.M. da Fonseca& J.W. Thomé, 2000 Brazil
Zilchogyra deliciosa (K.H.J. Thiele, 1927) Brazil
Zilchogyra descendens W.K. Weyrauch, 1965
Helicodiscus diadema F.W. Grimm, 1967 USA. Virginia
Helicodiscus eigenmanni H.A. Pilsbry, 1900 Arizona, Graham County
Helicodiscus enneodon L.R. Hubricht, 1967
Helicodiscus fimbriatus A. Wetherby, 1881 Tennessee
Radiodiscus florezi W.K. Weyrauch, 1965 Peru, Cuzco
Zilchogyra franzi W.K. Weyrauch, 1965 Argentina, Buenos Aires
Radiodiscus giganteus W.K. Weyrauch, 1958
Radioconus goeldii (K.H.J. Thiele, 1927) Brazil
Radiodiscus golbachi W.K. Weyrauch, 1965 Argentina, Tucuman
Lilloiconcha gordurasensis (K.H.J. Thiele, 1927) Brazil
Helicodiscus hadenoecus L.R. Hubricht, 1962 Tennessee
Helicodiscus hexodon L.R. Hubricht, 1966 Tennessee