CLASS AGNATHA. They are eel-like in appearance, but are easily distinguishable from the true eels and, indeed, from most of the true fishes, by their peculiar jawless sucking mouth situated at the tip of the snout, and, further, from all Gulf of Maine eels by lacking pectoral fins. ...

Are eels Agnatha?

Hagfish, also called slime eel, any of about 70 species of marine vertebrates placed with the lampreys in the superclass Agnatha. ... Eel-like in shape, hagfishes are scaleless, soft-skinned creatures with paired thick barbels on the end of the snout.

Which of these groups is a Cyclostome?

Cyclostome, a collective term for the living members of the superclass Agnatha, the lamprey and the hagfish (qq.