Order Coleoptera Linnaeus, 1758 - beetles Family group Histeroidea Gyllenhal, 1808 see Superfamily Hydrophiloidea Latreille, 1802 Family Histeridae Gyllenhal, 1808 Subfamily Saprininae Blanchard, 1845 Genus Pachylopus Erichson, 1834 see Genus Baeckmanniolus Reichardt, 1926