Stylochidae is a family of Turbellarian Flatworms. It includes the species Stylochus zebra, which usually lives in shells occupied by the hermit crab Pagurus pollicaris, though it can sometimes be found free living on rocks and pilings. The family contains the following 6 genera containing 36 accepted species:
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0