The ptychoid defensive mechanism in Phthiracarus longulus (Acari, Oribatida, Phthiracaroidea): Exoskeletal and muscular elements. Soil Org [Internet]. 2010 Aug. 1 [cited 2024 Nov. 23];82(2):253. Available from: https://soil-organisms.org/index.php/SO/article/view/231