They're definately later models as the Shadows of Luclin Vah Shir are there and the Frogloks.
These are the playable races on P99:
https://wiki.project1999.com/Character_Races
And these are the classes:
https://wiki.project1999.com/Classes
There's a sortable matrix here too which is nifty:
https://wiki.project1999.com/Sortable_Race_Class_Matrix