All living members of the class Cyclostomata are:

Match the name of the animal (Column-$I$) with one characteristic (Column-$II$), and the phylum/class (Column-$III$) to which it belongs.

Which of the following is $NOT$ a characteristic of $Cyclostomata$?

Identify the correct option for $Cyclostomata$ $:-$

In which class of animals do the larvae return to the sea after metamorphosis?

Characteristic features of $Cyclostomata$ are