Cycleryon is an extinct genus of decapod crustaceans. The type species is Cycleryon propinquus. These epifaunal carnivores lived during the Jurassic of Germany and France, from 164.7 to 161.2 Ma.
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