Acanthochitona zebra Lyons, 1988. Scanning electron images of a specimen from Laguna Desterrada (CNMO4993, 9.7 mm length). A dorsal view of head valve (I), SB = 500 μm B dorsal view of tail valve (VIII), SB = 500 μm C dorsal view of intermediate valve IV, SB = 500 μm D ventral view of intermediate IV, SB = 500 μm E intermediate valve IV pustules detail, SB = 100 μm F girdle spicules and tuft, SB = 100 μm G girdle spicules detail, SB = 20 μm H radular teeth, SB = 100 μm.