FIGURE 3 in The lost vent gastropod species of Lothar A. Beck

FIGURE 3. Bathyacmaea nadinae sp. nov., SEM micrographs of shell and soft parts. A, B. Tangential shell fracture from the mid-point at the middle between apex and shell margin showing three layers: A. Shell layers (from top to bottom) concentric, crossed-lamellar and radial-lamellar prismatic. B. Concentric crossed-lamellar and radial crossed-lamellar layer. C–E. Soft parts. C. Anterior part, oblique view from right. D. Snout with mouth-opening, oral fringe and slightly protruded odontophore. E. Surface of odontophore equipped with rows of minute pins. [Scale bars: A, 200 μm; B, 100 μm; C, 2 mm; D, 500 μm; E, 50 μm.]