A catalog of the types of Geotrupidae, Glaresidae, Hybosoridae, Lucanidae and Trogidae (Insecta: Coleoptera: Scarabaeoidea) deposited in the Museo Argentino de Ciencias Naturales, Buenos Aires

a catalog of the types, all current categories, of geotrupidae, glaresidae, hybosoridae, lucanidae and trogidae, housed in this museum, is given; it comprises the types of 40 names; 39 (98%) of them are here represented by name-bearing types (？primary types？).