Key to Subfamilies of ANISAKIDAE

1 Excretory system ribbon-like, extending from left lateral chord into ventral part of body-cavity; excretory pore usually between subventral lips or at base of ventral interlabium; parasitic in mammals, birds, reptiles or elasmobranch fishes; larval stages in invertebrates and vertebrates, including fishes............................................... Anisakinae

- Excretory system not ribbon-like; excretory pore usually near nerve ring; parasitic in fishes, occasionally birds.................................................................................................. Raphidascaridinae