Phylum Chordata Bateson, 1885 - chordates Count: †1c;2o;5f;9g;70s Class †Conodonta Eichenberg, 1930 Count: †2o;5f;9g;70s Subclass †Conodonti Branson see Subclass Conodonta Eichenberg, 1930 Count: †2o;5f;9g;70s Order †Prioniodontida Dzik Count: †1f;2g;11s Family †Icriodontidae Müller & Müller Count: †2g;11s Genus †Icriodus Branson & Mehl, 1933 Count: †8s ?†Icriodus costatus (Thomas) Count: -