Faille et al., 2015. Allopatric speciation illustrated: The hypogean genus Geotrechus Jeannel, 1919 (Coleoptera: Carabidae: Trechini), with description of four new species from the Eastern Pyrenees (Spain). Arthropod Systematics & Phylogeny, 73 (3): 439-455.
Holotype: Museu de Ciències Naturals (Zoologia) de Barcelona, MZB 2015-1707 (“Isòvol, Girona, Spain“, 1 specimen)
Geotrechus delioti Faille et al., 2015