On the morphology and classification of larval water mites (Hydrachnidia, Acari) from springs in Luxembourg Author Martin, Peter text Zootaxa 2006 1138 1 44 journal article 10.5281/zenodo.172007 bd92c31d-534c-4bb2-a395-fb69e7ab01a9 1175­5326 172007 Genus Aturus Kramer, 1875 Diagnosis (for the family see characters among the genus Ljania ): Idiosoma nearly round, indented posteromedially. Dorsal plate bearing 4 pairs of setae (or exceptionally 5 pairs with setae Mh1 on lateral edges). Coxal plates with reticulation, CX­I separate or fused medially with CX­II, CX­III bearing 1 pair of setae, C4 anteriorly, Expp subtriangular, subquadrangular or nearly round, bearing 2 pairs of setae, E1 and E2.