title: [Evolution of the water mite. 1. Sperchonidae].
mesh_terms: D000818:Animals; D005075:Biological Evolution; D008925:Mites / Q000033:anatomy & histology*; D014867:Water
chemical_list: D014867:Water
vernacular_title: Zur Stammesgeschichte der Wassermilben. 1. Die Sperchonidae