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Revised Type Species Designations for Cryptophilus Reitter, 1874 and Pteryngium Reitter, 1887 (Coleoptera: Cucujoidea: Erotylidae, Cryptophagidae)

During work cataloging the genera and species of Erotylidae and Cryptophagidae for the Catalogue of Life (www.catalogueoflife.org), MLG discovered two separate but remarkably similar nomenclatural issues surrounding type species designations. Each threaten the stability of widely recognized and longstanding genusand family-group names. These issues are resolved herein. Bouchard et al. (2011) was checked for current family-group name information, and publication dates of old literature were based on Bousquet (2016).