Originally Posted by
Robert Henrickson
It's true of taxonomy in any field. For decades I have had the same sort of discussion about pottery shape typologies. In archaeology, at least, the two ends of the "where to divide?" tended to be referred to as "lumpers" vs "splitters". I tended somewhat toward the "lumper" persuasion -- all the pottery I dealt studied was made by artisans, but was not fine. And it wasn't just details of shape which were uncertain -- I would have discussions with the director of the project as to the definition of "bowl" vs "pot" vs "jar".