Duplella baggi
Finger, 1990
type specimen   holotype
Neogene
California

Duplella fasciata carinata
Loeblich and Tappan, 1994
type specimen   holotype
Quaternary
Banda, Timor and Arafura Sea

Duplella fasciata carinata
Loeblich and Tappan, 1994
type specimen   paratype
Quaternary
Banda, Timor and Arafura Sea

Duplella lacrima
Finger, 1990
type specimen   holotype
Neogene
California

Duplella neobotelliformis
(McCulloch, 1977)
identified by scientist   
Quaternary
Banda, Timor and Arafura Sea