Schmelzle, S., Norton, R. A., & Heethoff , M. (2012). A morphological comparison of two closely related ptychoid oribatid mite species: Phthiracarus longulus and P. globosus (Acari: Oribatida: Phthiracaroidea). SOIL ORGANISMS, 84(2), 431–443. Retrieved from https://soil-organisms.org/index.php/SO/article/view/274