FIGURE 1 in The dorsal plate is a critical feature in the reassessment of the rotiferan genus Ptygura (Monogononta; Gnesiotrocha; Flosculariidae)

FIGURE 1. Light microscopy images of dorsal plates in selected sessile taxa. A: in vivo with corona open; lateral view. B: in vivo with corona retracted. C: dorsal plate revealed with bleach treatment. D: species lacking dorsal plate with bleach treatment. A and B: arrows mark the dorsal plates. Bc, Beauchampia crucigere; Lc, Limnias ceratophylli; Lm, Limnias melicerta; Pb, Ptygura beauchampi; Pc, Ptygura ctenoida; Pf, Ptygura furcillata; Pi, Ptygura innominata; Pl, Ptygura longicornis; Pm, Ptygura mucicola; Ps, Ptygura stygis; Pt, Ptygura tridorsicornis. Bars: 50 µm for A and B, 20 µm for C and D.