A) Herdmania and petromyzon
B) Petromyzone and myxine
C) Amphioxus and balanoglossus
D) Herdmania and myxine
Correct Answer: B
Solution :
In cyclostomata, body eel shaped with scales jaw and lateral fins. Mouth rounded and suctorial. e.g. Petromyzon and myxine.You need to login to perform this action.
You will be redirected in
3 sec