Phylum Chordata Bateson, 1885 - chordates
   Class †Conodonta Eichenberg, 1930
     Subclass †Conodonti Branson see Subclass Conodonta Eichenberg, 1930
       Order †Ozarkodinida Dzik
         Family †Palmatolepidae Sweet
           Genus †Palmatolepis Ulrich & Bassler, 1926
             †"Palmatolepis rhomboidea group"
               1 †Palmatolepis protorhomboidea Sandberg & Ziegler
               2 †Palmatolepis rhomboidea Sannemann
               3 †Palmatolepis delicatula Branson & Mehl