Stenorhynchosaurus is an extinct genus of pliosaurid plesiosaur which lived in South America during the Early Cretaceous. The type species and only known is Stenorhynchosaurus munozi.
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