Potapov, M., Gulgenova, A. and Babykina, M. 2016. Isotomidae (Collembola) of Buryat Republic. III. The genera Vertagopus and Agrenia, with a note on ’Claw index’. Zootaxa. 4088, 1 (Mar. 2016), 112–128. DOI:https://doi.org/10.11646/zootaxa.4088.1.5.