Bopyridae Rafinesque-Schmaltz, 1815
Pseudione affinis (G.O. Sars, 1882)
Pseudione ampla Markham, 1988
Pseudione andamanicae Bourdon, 1976
Pseudione atlantica Bourdon, 1971
Pseudione biacuta Bourdon, 1979
Pseudione borealis Caspers, 1939
Pseudione brandaoi Brian & Dartevelle, 1941
Pseudione brattstroemi Stuardo, Vega & Cespedes, 1986
Pseudione calcinii Shiino, 1958
Pseudione callianassae Kossmann, 1881
Pseudione chiloensis Román-Contreras & Wehrtmann, 1997
Pseudione clevai Boyko, 2004
Pseudione clibanaricola Shiino, 1933
Pseudione cognata Markham, 1985
Pseudione compressa Shiino, 1964
Pseudione confusa (Norman, 1886)
Pseudione crenulata G. O. Sars, 1898
Pseudione dohrni Bonnier, 1900
Pseudione elongata (Hansen, 1897)
Pseudione fibriata Richardson, 1910
Pseudione galacanthae Hansen, 1897
Pseudione giardi Calman, 1898
Pseudione hanseni Nierstrasz & Brender à Brandis, 1923
Pseudione hayi Nierstrasz & Brender à Brandis, 1931
Pseudione hyndmanni (Bate & Westwood, 1868)
Pseudione incerta Richardson, 1910
Pseudione indica Chopra, 1930
Pseudione intermedia Nierstrasz & Brender à Brandis, 1932
Pseudione itsindrae Bourdon, 1976
Pseudione japanensis Nierstrasz & Brender à Brandis, 1931
Pseudione kensleyi Williams & Schuerlein, 2005
Pseudione kossmanni Nierstrasz & Brender à Brandis, 1923
Pseudione laevis (Richardson, 1910)
Pseudione longicauda Shiino, 1937
Pseudione magna Shiino, 1951
Pseudione minimocrenulata Nierstrasz & Brender à Brandis, 1931
Pseudione munidae Barnard, 1920
Pseudione murawaiensis Page, 1985
Pseudione nephropsi Shiino, 1951
Pseudione nobili Nierstrasz & Brender a Brandis, 1923
Pseudione nobilii Nierstrasz & Brender à Brandis, 1923
Pseudione novaeguineensis Danforth, 1971
Pseudione overstreeti Adkison & Heard, 1995
Pseudione panopei Pearse, 1947
Pseudione parviramus Adkison, 1988
Pseudione pontocari Page, 1985
Pseudione quasimodo Boyko & Williams, 2004
Pseudione sagamiensis Nierstrasz & Brender à Brandis, 1932
Pseudione stylopoda Boyko, 2004
Pseudione subcrenulata Nierstrasz & Brender à Brandis, 1923
Pseudione tanimbarensis Markham, 1999
Pseudione tattersalli Nierstrasz & Brender à Brandis, 1923
Pseudione tuberculata Richardson, 1904