Alacia belgicae (Müller, 1906) (basis of record)
Alacia hettacra (Müller, 1906) (basis of record)
Alacia valdiviae (Müller, 1906) (additional source)
Archiconchoecemma Chavtur & Stovbun, 2003 (basis of record)
Archiconchoecemma simula (Deevey, 1982) (basis of record)
Archiconchoecetta Chavtur & Stovbun, 2003 (basis of record)
Archiconchoecetta bidens (Deevey, 1982) (basis of record)
Archiconchoecilla Chavtur & Stovbun, 2003 (basis of record)
Archiconchoecilla versicula (Deevey, 1978) (basis of record)
Archiconchoecinae accepted as Archiconchoeciinae Poulsen, 1969 (basis of record)
Archiconchoecissa Chavtur & Stovbun, 2003 (basis of record)
Archiconchoecissa cucullata (Brady, 1902) (redescription)
Bathyconchoecia Deevey, 1968 (additional source)
Bathyconchoecia lacunosa (Müller, 1906) (basis of record)
Boroecia antipoda (Müller, G. W., 1906) (basis of record)
Conchoeciinae Müller G. W., 1912 (basis of record)
Conchoecilla chuni (Müller, G. W., 1906) (basis of record)
Conchoecissa squamosa (Mueller, 1906) (basis of record)
Conchoecissa symmetrica (Müller, G. W., 1906) (additional source)
Cypridinidae Baird, 1850 (additional source)
Discoconchoecia elegans (Sars, 1866) (additional source)
Euconchoecinae accepted as Euconchoeciinae Poulsen, 1969 (basis of record)
Fellia Poulsen, 1969 (basis of record)
Fellia dispar (Müller, 1906) (basis of record)
Gaussicia edentata (Müller, G. W., 1906) (additional source)
Gaussicia gaussi (Müller, G. W., 1906) (additional source)
Gigantocypris Müller, 1895 (additional source)
Gigantocypris muelleri Skogsberg, 1920 (additional source)
Gigantocypris pellucida Müller, 1895 (basis of record)
Halocypria Poulsen, 1969 (additional source)
Halocypridinae Dana, 1853 (basis of record)
Loricoecia ctenophora (Müller, G. W., 1906) (additional source)
Loricoecia loricata (Claus, 1894) (additional source)
Macrocypridina Skogsberg, 1920 (additional source)
Macrocypridina castanea (Brady, 1897) (additional source)
Macrocypridina poulseni Martens, 1979 (basis of record)
Metaconchoecia Howe, 1955 (additional source)
Metaconchoecia australis (Gooday, 1981) (basis of record)
Metaconchoecia skogsbergi (Iles, 1953) (additional source)
Mikroconchoecia Claus, 1891 (additional source)
Mikroconchoecia acuticosta Müller G. W., 1906 (additional source)
Mikroconchoecia curta (Lubbock, 1860) (additional source)
Mollicia Poulsen, 1973 (additional source)
Mollicia amblypostha (Müller, G. W., 1906) (basis of record)
Obtusoecia Martens, 1979 (additional source)
Obtusoecia antarctica (Müller, G. W., 1906) (basis of record)
Orthoconchoecia Martens, 1979 (additional source)
Orthoconchoecia atlantica (Lubbock, 1856) (additional source)
Orthoconchoecia bispinosa (Claus, 1891) (additional source)
Orthoconchoecia haddoni (Brady & Norman, 1896) (additional source)
Orthoconchoecia secernenda (Vávra, 1906) (additional source)
Paraconchoecia Claus, 1891 (additional source)
Paraconchoecia mamillata (Müller, 1906) (additional source)
Paraconchoecia spinifera Claus, 1890 (additional source)
Paramollicia Poulsen, 1973 (additional source)
Paramollicia major Müller G. W., 1906 (additional source)
Proceroecia Kock, 1992 (additional source)
Proceroecia brachyaskos (Müller, G. W., 1906) (additional source)
Proceroecia rivotella (McKenzie & Benassi, 1994) (basis of record)
Pseudoconchoecia Claus, 1891 (additional source)
Pseudoconchoecia serrulata (Claus, 1874) (basis of record)
Pseudoconchoecia serrulata laevis Brady, 1907 (basis of record)
Thaumatoconcha Kornicker & Sohn, 1976 (basis of record)
Thaumatoconcha radiata Kornicker & Sohn, 1976 (basis of record)
Thaumatoconcha sandersi Kornicker & Sohn, 1976 (basis of record)
Thaumatocyprididae Müller, 1906 (additional source)

 Validity

 for Orthoconchoecia haddoni (Brady & Norman, 1896)

Orthoconchoecia haddoni 'southern form' (Müller, G.W., 1906) [details]