[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
   Superclass Tunicata Cuvier
     Class Appendicularia Lahille, 1890 - appendicularians
       Family Oikopleuridae Lahille, 1887
         Genus Balhochordaes van der Land, 2001, orth. inval. see Genus Bathochordaeus Chun, 1900
           1 Balhochordaes charon van der Land, 2001, comb. inval. see Bathochordaeus charon Chun, 1900
           2 Balhochordaes stygius van der Land, 2001, comb. inval. see Bathochordaeus stygius Garstang, 1937