Benito, J.C.S. and Palacios-Vargas, J.G. 2008. Four new Pseudosinella (Collembola: Entomobryidae) from La Rioja, Spain. Zootaxa. 1728, 1 (Mar. 2008), 59–68. DOI:https://doi.org/10.11646/zootaxa.1728.1.2.