Xenobiologists were individuals specializing in the study of the different species of the galaxy. Several members of the Kallidahin species worked as xenobiologists at the Polis Massa Base on the asteroid Polis Massa and tended to Padmé Amidala when she gave birth to the twins Luke and Leia at the base.
- Star Wars: Episode III Revenge of the Sith (First appearance)
- Star Wars: The Visual Encyclopedia (First identified as xenobiologist)
- The Last Jedi: Rose Tico: Resistance Fighter
- Star Wars: The Complete Visual Dictionary, New Edition
- Star Wars Helmet Collection 76 (Databank A-Z: Xev Xrexus–Yavin 4)