Janusaurus is an extinct genus of Ophthalmosaurid Ichthyosaur from the Upper Jurassic SlottsmøyaMember, Agardhfjellet Formation of Central Spitsbergen and northern Russia.
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