Kingdom Fungi R.T.Moore (1980) - fungi
   Phylum Blastocladiomycota T.Y. James (2007)
     Class Blastocladiomycetes Doweld (2001)
       Order Blastocladiales H.E. Petersen (1909)
         Family Catenariaceae Couch (1945), nom. cons. prop.
           1 Genus Catenophlyctis Karling (1965)
           2 Genus Nematoceromyces Doweld (2013)