[organisms] see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020] Pisces Class Agnatha Cope, 1889 Order Myxiniformes - hagfishes Family Myxinidae Rafinesque, 1815 - hagfishes 1 Genus Myxine Linnaeus, 1758