FIGURE 2. Turneroconcha magnifica n in A new genus Turneroconcha (Bivalvia: Vesicomyidae: Pliocardiinae) for the giant hydrothermal vent clam 'Calyptogena' magnifica

FIGURE 2. Turneroconcha magnifica n. comb. (Boss & Turner, 1980), RV Western Flyer, dive D 754, L=93 mm (IORAS, BIV00036-1). A, exterior of left valve. B, interior of left valve. C, exterior of right valve. D, interior of right valve. E, left hinge plate. F, right hinge plate. G, hinge margin of both valves. H, dorsal view. I, interior of right valve, pallial scars highlighted. J, anterior view. K, ventral view. 1, ventral cardinal tooth; 2a, anterior ramus of subumbonal cardinal tooth; 2b, posterior ramus of subumbonal cardinal tooth; 3b, posterior ramus of subumbonal cardinal; 4b, reduced posterodorsal cardinal tooth; all, anterior lamellar ligament layer; F, fibrous ligament layer; ppl, posterior part of posterior lamellar ligament layer; ny, nymph, tl, trace of posterior part of anterior lamellar ligament layer.