Rhizoconus advertex Garrard, 1961 – basionym of Conus advertex (Garrard, 1961)
Rhizoconus hirasei Kuroda, 1956 – basionym of Conus hirasei (Kuroda, 1956)
Rhizoconus kiicumulus Azuma, 1982 – basionym of Conus kiicumulus (Azuma, 1982)
Rhizoconus kimioi Habe, 1965 – basionym of Conasprella kimioi (Habe, 1965)
Rhizoconus klemae Cotton, 1953 – basionym of Conus klemae (Cotton, 1953)
Rolaniconus dedonderi Goethaels & D. Monsecour, 2013 – basionym of Conus dedonderi (Goethaels & D.Monsecour, 2013)
Rolaniconus lecourtorum Lorenz, 2011 – basionym of Conus lecourtorum (Lorenz, 2011)