Formal name for the class containing the hagfish.
Members of the class Myxini are craniates but otherwise are extremely fish, lacking in particular .
It is questionable whether class Myxini as clade contains the rest of the . Instead, the hagfish appear to be descendants of more (lamprey) -like fish.
Video (Their slime)
Video, Story (Predation by fish)
Video, Story (Predation by a mammal)