Macrobiotus rybaki sp. nov. – claws: A, B. Claws III and IV, respectively, under PCM; C. Magnification of lunulae IV of a different specimen; D–F. Claws II, III and IV respectively, under SEM. Filled indented arrowheads indicate double muscle attachments under the claws, empty indented arrowheads indicate a divided cuticular bar. A and B assembled from several photos. Scale bars in μm.