Martínez, PA; Palacios-Vargas, JG
(2006)
Two new oribatid species belonging to Family Oppiidae Grandjean, 1951 are described from soils of central east Argentina (biogeografic Province of Pampa): Graptoppia (Graptoppia) alzueti n. sp. and Brachioppiella (Gressittoppia) ...