The flight is on a A380, which on LAX-CDG will have prem economy. Your seats in row 85 are in premium economy, although I would check airfrance.com to make sure the seats you booked on delta.com stuck on air france.com.

I think you are getting turned around because of seat guru. There are two versions of the 380 on seat guru. Check version 2. These days I dont trust seat guru for much. It is rarely updated and a lot of the info is wrong. It seems that site went downhill once it was bought out and became part of tripadvisor.