Systematic revision of the genera Euheptaulacus G. Dellacasa, 1983 and Heptaulacus Mulsant, 1842 with description of the new genus Pseudoheptaulacus (Coleoptera: Scarabaeoidea: Aphodiidae). Elytron (Barcelona), 14 2001: 3-37. 28 [Zoological Record Volume 137]