FIGURE 8. Turneroconcha magnifica n in A new genus Turneroconcha (Bivalvia: Vesicomyidae: Pliocardiinae) for the giant hydrothermal vent clam 'Calyptogena' magnifica

FIGURE 8. Turneroconcha magnifica n. comb. (Boss & Turner, 1980), scanning electron micrographs of anatomical details, RV Western Flyer, dive D 754, L=36 mm (IORAS, BIV00036-2). A, posterior part of body, black rectangles indicate locations of anatomical details shown in the following images. B, dorsal thickening of the mantle margins above exhalant siphon with three rows of tentacles. C, tentacles between siphons. D, margin of exhalant siphon from inside. E, tentacles of exhalant siphon margin. F, cross section of ventral wall of inhalant siphon. G, plicated epithelium of ventral wall of inhalant siphon. H, inhalant siphon from inside. I, inner valve of inhalant siphon from inside. J, tentacles of inhalant siphon margin. K, mantle inner fold 2 from the basis of inhalant siphon. L, ciliary tufts from inner mantle wall near siphon basis. M, tentacle of exhalant siphon. N, tentacle of inhalant siphon. ci, cilia; ct, ciliary tufts; fes, inner flap of exhalant siphon; imf2, inner mantle fold 2; lm, pallial longitudinal muscle; m, muscle bands; ple, plicated epithelium; vis, inner valve of inhalant siphon. Scale bars: A, 5 mm; B–D, I, 200 µm; E–J, K, 100 µm; G, 50 µm; H, 500 µm; L–N, 10 µm.