Type 1 ghia.
Type 1 included the beetle, karmann ghia, & the thing, all based on the type 1 chassis.
Type 2 included the transporter (bus), camper, single cab double cab flatbed.
Type 3 included the notchback, fastback, squareback and the type 34 ghia which was based on the type 3 chassis and sometimes referred to only as a type 3.
Type 4 included the 411, 412 models
I was never obsessed about VW's, not much anyways.