The Tangrene's home world is actually Tangrene. The Empire enslaved Tangrene to establish a base. After they were finished with it they committed genocide by killing all of the Tangrene to prevent further uprisings.
The name of the Zznzan homeworld is Zzaxx.
The name of Ban Papeega's species homeworld is kept a secret.
The Leyakian homeworld is called Leyakia.
The Interdite homeworld is called Vorta.
Dozoisia.
Ryoone.
Ryoone.
Parthmanta.
Protia.
Porrowin.
Intiona.
Marais.