FIGURE 4 in DNA barcoding and integrative taxonomy of Macrobiotus hufelandi C.A.S. Schultze 1834, the first tardigrade species to be described, and some related species

FIGURE 4. Chromosomes (orcein, LM) in specimens from St. Ulrich (Germany). A-C: Macrobiotus sandrae. D: Macrobiotus vladimiri. A: Spindle with bivalents in late metaphase (DIC); B: two oocytes in diplotene, with chiasmata (phase contrast); C: male metaphase I (arrow; phase contrast); D: univalents irregularly dispersed within the spindle (phase contrast). Scale = 10 µm.