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- Arce-Pérez, R. & Novelo-Gutiérrez, R. 2013. Two new species of Psephenops Grouvelle from Belize (Coleoptera: Byrrhoidea: Psephenidae), with a key to the known species from Mexico and Central America. Zootaxa 3670(1): 63–70. DOI: 10.11646/zootaxa.3670.1.5