Semiognatha is a monotypic genus of beetles in the family Buprestidae, the jewel beetles. The sole species, Semiognatha sainvali, was described in 2004 from a specimen collected in Brazil.
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