Arnett, R.H. Jr.; Thomas, M. C.; Skelley, P. E.; Frank, J. H., eds. (2002). American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea. CRC Press. ISBN978-0849309540.
Borowski, Jerzy; Wegrzynowicz, Piotr (2007). World Catalogue of Bostrichidae (Coleoptera). Wydawnictwo Mantis. ISBN9788392618218.
Lawrence, J.F.; Newton Jr., A.F. (1995). Pakaluk, James; Slipinski, Stanislaw Adam (eds.). Families and subfamilies of Coleoptera (with selected genera, notes, references and data on family-group names). Biology, Phylogeny, and Classification of Coleoptera: Papers Celebrating the 80th Birthday of Roy A. Crowson. Vol. 2. Muzeum i Instytut Zoologii PAN. pp. 779–1006. ISBN978-83-85192-34-3.
Philips, T. Keith; Foster, Douglas E. (2004). "Cryptopeniculus nigrosetus n.g., n. sp. (Coleoptera: Ptinidae) from the Namaqualand region of South Africa". Zootaxa. 577 (577): 1–11. doi:10.11646/zootaxa.577.1.1. ISSN1175-5326.