Reference
Alfonsina Arriaga-Jimenez, Mario Zunino, Gonzalo Halffter, Fernando Escobar-Hernandez, Michele Rossini (2023): taxonomic review of the endemic Mexican genus Ceratotrupes Jekel, 1865 (Coleoptera: Geotrupidae: Ceratotrupini), with the description of an unexpected new species from the Sierra Madre del Sur – European Journal of Taxonomy – 0885: 1 - 20.