Garudapurana 3.22.46

3.22.46

brahmoktasya mayoktasya virodho nāsti sattama /
mayoktasyaiva sa vyāsaḥ kaṃbugrīvaḥ pradarśyate //

There is no contradiction between what Brahmā said and what I said, O best of beings. / That which was spoken by me is demonstrated in detail by [the mark of] a conch-like neck;