1a. It is my belief that in regard to terrestrial-type snakes, an assumption can be made that there are probably none in unmapped areas of the world surpassing the size of those we already have knowledge of.
1b. An assumption can be made about terrestrial-type snakes; those in unmapped areas do not surpass the size of snakes that we know about.
In example 1a, the redundancy metadiscourse is