Superclass Crustacea Pennant, 1777 - crustaceans see [unranked] Crustaceomorpha Chernyshev, 1960
   Class Maxillopoda Dahl, 1956 see Subphylum Pancrustacea Zrzavý et al., 1997
     ?Genus †Ercaia Chen et al., 2001
       1 †Ercaia minuscula Chen et al., 2001