The true scientific significance of a group of unusual fossils discovered by the paleontologist Charles Walcott is more likely to be reflected in a recent classification than it was in Walcott' s own classification  Walcott was, after all, a prominent member of the scientific establishment
His classifications are thus unlikely to have done anything but confirm what established science had already taken to be true
It draws conclusions about the merit of a position and about the content of that position from evidence about the position's source.