Archaeositum Novojilov, 1970 † accepted as Eridoconcha Ulrich & Bassler, 1923 † (basis of record)
Cryptophyllidae Adamczak, 1961 † accepted as Rhabdostichidae Rusconi, 1954 † (taxonomy source)
Cryptophyllus Levinson, 1951 † (taxonomy source)
Cryptophyllus oboloides (Ulrich & Bassler, 1923) † (basis of record)
Eridostracina † (taxonomy source)
Jonesites Coryell, 1930 † (taxonomy source)
Placentula Jones & Holl, 1886 † accepted as Jonesites Coryell, 1930 † (taxonomy source)
Rhabdostichidae Rusconi, 1954 † (taxonomy source)
Schaefericoncha Schallreuter, 1987 † (basis of record)
Schaefericonchidae Schallreuter, 1987 † (basis of record)