Cyrena (Polymesoda) Rafinesque, 1820 accepted as Polymesoda Rafinesque, 1820 (basis of record)
Cyrena (Polymesoda) bravoensis Olsson, 1931 † accepted as Polymesoda bravoensis (Olsson, 1931) † (original description)
Cyrena (Polymesoda) trigalensis Olsson, 1931 † accepted as Polymesoda trigalensis (Olsson, 1931) † (original description)
Faunus (Pseudofaunus) Olsson, 1931 † represented as Faunus Montfort, 1810 (original description)
Faunus (Pseudofaunus) bravoensis Olsson, 1931 † represented as Faunus bravoensis Olsson, 1931 † (original description)
Faunus (Pseudofaunus) chiraensis Olsson, 1931 † represented as Faunus chiraensis Olsson, 1931 † (original description)
Hannatoma Olsson, 1931 † (original description)
Hannatoma emendorferi Olsson, 1931 † (original description)
Hannatoma gesteri (G. D. Hanna & Israelsky, 1925) † (basis of record)
Hannatoma tumbezia Olsson, 1931 † (original description)
Hemisinus terebriformis Olsson, 1931 † (original description)
Lucinoma acutilineata (Conrad, 1849) † (basis of record)
Mytilopsis trigalensis Olsson, 1931 † accepted as Mytilopsis scripta (Conrad, 1874) † (original description)
Pachychilus canoasensis Olsson, 1931 † (original description)
Spondylus mimus Olsson, 1931 † (original description)
Vesicomya tschudi Olsson, 1931 † (original description)