Ortuño, V. M.; Cuesta, E.; Gilgado, J. D.; Ledesma, E. A New Hypogean Trechus Clairville (Coleoptera, Carabidae, Trechini) Discovered in a Non-Calcareous Superficial Subterranean Habitat of the Iberian System (Central Spain). Zootaxa 2014, 3802, 359–372.