FIGURES 25–29. Dilemma frumarkernorum. Shell hinge and ligament. 25–28. Paratype 2. 25 in A remarkable new genus of carnivorous, sessile bivalves (Mollusca: Anomalodesmata: Poromyidae) with descriptions of two new species

FIGURES 25–29. Dilemma frumarkernorum. Shell hinge and ligament. 25–28. Paratype 2. 25. Internal views of shell, SEM. Left valve on left side. 26. Hinge in posteroventral view, SEM. 27. Same view, optical photography. 28. Detail of right valve showing ligament. 29. Paratype 1. Attached valves in ventro-lateral view showing hinge with interlocking teeth and sockets. Scale bars: Figures 25–27, 29 = 2 mm; Figure 28 = 1 mm.