Oncousoeciidae Canu, 1918
Peristomoecia floridana Canu & Bassler, 1928
Proboscina boryi (Audouin, 1826)
Proboscina coapta Canu & Bassler, 1929
Proboscina fecunda Kluge, 1962
Proboscina floridana (Canu & Bassler, 1928)
Proboscina fragilis Moyano, 1991
Proboscina frondosa (Nicholson)
Proboscina gracilis Kluge, 1962
Proboscina incrassata Smitt, 1867
Proboscina japonica Okada, 1923
Proboscina lamellifera Canu & Bassler, 1930
Proboscina major (Johnston, 1847)
Proboscina parasitica (Hagenow, 1851)
Proboscina robusta Canu & Bassler, 1928
Proboscina sigmata Osburn, 1953
Proboscina wetherelli Morris