An annotated catalogue of the Coleoptera types deposited in the National Insect Collection (CNIN) of the National Autonomous University of Mexico Pérez-Hernández, Cisteil Xinum Zootaxa 2017 2017-07-05 4288 1 1 128 499W8 Thayer, 2003 Thayer 2003 [167,626,1052,1077] Insecta Staphylinidae Omalium Animalia Coleoptera 109 110 Arthropoda species meximontanum   Conservation status:Complete, well-preserved.    Paratypes: 1 ♂, 2 ♀. MEXICO: Oaxaca, 16miN Ixtlánde J., 9400',  23–29/VII/1971. Col. A. Newton, human dung trap315; oak-fir forest.  Conservation status:Complete, well-preserved. 1671744628 1971-07-23 1971-07-29 1971-07-23 Col. A. & Newton Mexico Ixtlan 109 110 3 2 1 Oaxaca paratype