Class Choanoflagellatea Cavalier-Smith, 1998
Count: [*] 2o;3f;55g [10 Jan 2016]
   Order Acanthoecida Cavalier-Smith, 1997
  Count: [*] 2f;32g [10 Jan 2016]
     Family Stephanoecidae Leadbeater, 2011
    Count: [*] 28g [10 Jan 2016]
       Genus Acanthocorbis Hara & Takahashi, 1984
      Count: -