First they are Councils, not counsels
Secondly, more information will be forthcoming through this series on your thoughts as to the validity of The Council of Hippo and the Council of Carthage.
The Council of Trent will also be covered.
Third thing, those local councils accepted the canon written by issued by Pope Damasus and the Synod of Rome in 382. Thus, on both sides of the Mediterranean, the same canon was used.