GUIMARÃES, L.; FERREIRA, R. L. Remarkable micro-endemism and high congeneric richness: eight new cave-restricted species of Pseudochthonius Balzan, 1892 (Pseudoscorpiones, Chthoniidae) from the Brazilian semi-arid. European Journal of Taxonomy, v. 1078, p. 1-43, 21 Jul. 2026.