Chordata Bateson, 1885 - chordates Class †Ostracophori Order †Heterostraci Lankester, 1868 - heterostracans see Subclass Heterostraci Lankester, 1868 [Family †Coelolepidae Pander, 1856] see Family Coelolepididae "Pander, 1856", nom. illeg.