Gothenburg stuff, real early melodeath, is a lot closer to Dissection, so it kind of makes sense to me now. Bad English has a couple of articles on northern Swedish metal that can point you in that direction.
It took the longest time for me to understand the classification, and I still think they’re clearly more black than death, but it all made sense to me once I started hearing more melodeath from northern Sweden. The opposite of
I always found it weird that Dissection is labeled as melodeath/meloblack. I don't hear any death metal in their sound. It's not entirely black like Norwegian black, but it's typical Swedish black