Laemophloeidae Ganglbauer, 1899
Placonotus admotus (Grouvelle, 1913)
Placonotus arizonensis Thomas, 1984
Placonotus donacioides (Wollaston, 1854)
Placonotus granulatus (Wollaston, 1854)
Placonotus macrognathus Thomas, 1984
Placonotus modestus (Say, 1827)
Placonotus nitens (LeConte, 1854)
Placonotus politissimus (Wollaston, 1867)
Placonotus subtestaceus (Grouvelle, 1882)
Placonotus testaceus (F., 1787)
Placonotus zimmermanni (LeConte, 1854)