Primax generally denotes the continuities used by media that are part of the Generation 1 franchise and related franchises such as Generation 2, Beast Wars etc.
- Primax 984.17 Alpha—The continuity used by all four seasons of the The Transformers cartoon and The Transformers: The Movie etc.
- Primax 785.06 Alpha—The continuity used by Fight! Super Robot Lifeform Transformers, other Japanese dubs of the North American cartoons set in the aforementioned streams and exclusive media that includes but are by no means limited to Scramble City, Kiss Players, Victory and Zone.
- Primax 1086.01 Alpha—The splinter stream beginning with the episode The Shadow of Convoy.
- Primax 903.0 Beta—The splinter stream used further into the Binaltech backstory.
- Primax 400.05 Alpha—The Car Robots anime.
- Primax 787.3 Alpha—The Headmasters anime.
- Primax 488.12 Alpha—The Super-God Masterforce anime.
- Primax 1097.01 Alpha—Beast Wars, Beast Wars Metals and Beast Wars Returns
- Primax 498.1 Alpha—The Beast Wars II anime.
- Primax 984.0 Gamma—The continuity of the Marvel U.S. Transformers comics shared by their G.I. Joe comics. Corresponds to Earth-91274
- Primax 984.20 Gamma—The continuity of the Marvel UK Transformers comics. Corresponds to Earth-120185