Cryptoconchus floridanus (Dall, 1889). Scanning electron images of specimen from Isla Perez (CNMO4996, 9.3 mm length). A tegmentum detail, showing the pustules on the head valve (I), SB = 200 μm B head valve pustules detail, SB = 200 μm C jugal area of intermediate valve IV, showing the pustule formation, SB = 200 μm D detail of pustules on jugal area of intermediate valve IV, SB = 200 μm E tail valve jugum of tail valve (VIII), SB = 200 μm F girdle detail, SB = 100 μm G radular teeth, SB = 100 μm H major lateral teeth detail, SB = 50 μm.