Tsvetkova, A.Y. and Tumanov, D.V. 2026. Integrative description of Testechiniscus impenetrabilis sp. nov. (Heterotardigrada: Echiniscoidea) from Novaya Zemlya (Russia), with a discussion on the genus diagnosis and distribution. Zootaxa. 5821, 1 (May 2026), 1–22. DOI:https://doi.org/10.11646/zootaxa.5821.1.1.