In the current Star Wars canon, phidna were first mentioned in the 2015 reference book Star Wars: Absolutely Everything You Need to Know. The creatures originated in the Star Wars Legends continuity, where they were first mentioned in the 2002 reference book Star Wars: Attack of the Clones: The Visual Dictionary, which was written by David West Reynolds. The parasites then appeared in the 2005 LucasArts video game Star Wars: Republic Commando.
In the current Star Wars canon, phidna were first mentioned in the 2015 reference book Star Wars: Absolutely Everything You Need to Know. The creatures originated in the Star Wars Legends continuity, where they were first mentioned in the 2002 reference book Star Wars: Attack of the Clones: The Visual Dictionary, which was written by David West Reynolds. The parasites then appeared in the 2005 LucasArts video game Star Wars: Republic Commando.
- Star Wars: Absolutely Everything You Need to Know
- Star Wars: Complete Locations
- Star Wars: Absolutely Everything You Need to Know, Updated and Expanded
- Star Wars: The Complete Visual Dictionary, New Edition