You're right with those two-
Formula RSS 79 V8= Lotus 79
Formula RSS 1990 V12= Ferrari 641
Formula RSS 2000 V10= Ferrari F1- 2000
Formula RSS2 V8= Dallara GP2/11
Formula RSS2 V6= Dallara F2 2018
Formula RSS3 V6= Dallara F3 2019
Formula RSS4= Mygale M14-F4
The Formula Hybrids, I believe, are not based on a particular Team of their respective Years, but rather represent more 'generic' Cars with Bodystyles inspired by all the different F1 Cars of that season.