axodines Patterson, 1994 see Class Dictyochophyceae Silva (1980)
   abodines D.J. Patterson, 2001 see Class Dictyochophyceae Silva (1980)
     actinodines D.J. Patterson, 2001 see [unranked] Pedinellales Zimmermann, Møestrup & Hällfors (1984)
       1 Genus Pseudopedinella N. Carter (1937)
       2 Genus Mesopedinella Daugbjerg (1996)
       3.1 Genus Apedinella J. Throndsen (1971)
       3.2 Genus Parapedinella S.M. Pedersen & H.A. Thomsen (1986)
       4.1 Genus Pedinella Vysotskii (1888)
       4.2 actinomonads D.J. Patterson, 2001