Protosphaerion is a genus of beetles in the family Cerambycidae, containing the following species: \n* Protosphaerion loreum Gounelle, 1909 \n* Protosphaerion pictum Martins, 2005 \n* Protosphaerion punctatum Martins, 2005 \n* Protosphaerion signatipenne Gounelle, 1909 \n* Protosphaerion variabile Gounelle, 1909
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