Robertina arcuata
(d'Orbigny, 1852)
type specimen   holotype

Robertina imperatrix
(Karrer, 1868)
identified by scientist   
Quaternary
off Brazil

Robertina subcylindrica
(Brady, 1881)
identified by scientist   
Quaternary
off Brazil

Robertina tasmanica
Parr, 1950
identified by scientist   
Quaternary
Fiji and off