Belonochasma (meaning "needle mouth") is a genus of gnathostome from the Mesozoic of Franconia, Bavaria, Germany. It was once thought to be a pterosaur, but this was rejected by Oskar Kuhn in 1961, and upheld by Peter Wellnhofer in 1978.
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