Schawaller, W. & Purchart, L. (2012). Nanocaecus hlavaci gen. and sp. nov. – first record of the tribe Gnathidiini (Coleoptera: Tenebrionidae: Diaperinae) from the Socotra Archipelago. Acta Entomologica Musei Nationalis Pragae. 52(suppl. 2): 303-314.