Holotype of Trox fuliginosus Robinson, 1941 (now Omorgus fuliginosus). A. Habitus in dorsal view; B. Habitus in lateral view; C. Labels. Photos by Robert Finn (USNM). Length of specimen: 14–15 mm.

 
 
  Part of: da Costa-Silva V, Strümpher WP, Barclay MVL, Vaz-de-Mello FZ (2024) An illustrated catalogue of South American species of Omorgus Erichson, 1847 (Coleoptera, Trogidae, Omorginae) including a neotype designation and taxonomical changes. Contributions to Entomology 74(1): 81-101. https://doi.org/10.3897/contrib.entomol.74.e126799