Late Cambrian to Late Triassic | image = ConodontZICA.png | image_width = 250px | image_caption = Reconstruction of a Conodont | regnum = Animalia | phylum = Hemichordata | subphylum = Vertebrata | classis = Conodonta | classis_authority = | subdivision_ranks = Groups | subdivision = Protoconodonta Paraconodonta Euconodonta Panderodontida Prioniodontida Prioniodinina Ozarkodinina }} Conodonts are extinct chordates resembling eels, classified in the class Conodonta. For many years, they were kn… (More on Conodonts)