FIGURE 19. A–C. Volutopsius nanus n in Seven new genera and thirty-four new species of buccinoid gastropods (Neogastropoda: Buccinidae) from the Aleutian Islands, Alaska

FIGURE 19. A–C. Volutopsius nanus n. sp.; A. Holotype, 3588, SW of Buldir Island, 325 m, 35.6 mm; B. Holotype, close-up of sculpture; C. Radula, Paratype, RNC 4711, bar = 200 µm; D, E. Volutopsius gracilis n. sp. D. Holotype, LACM 3589, N of Unimak Island, 80 m, 142.1 mm; E. Radula, Paratype, RNC 5031, bar = 200 µm; F, G. Volutopsius castaneum (Mörch, 1857); F. RNC 4801, Adak Island, 13 m, 76.2 mm; G. Radula, RNC 4801, bar = 200 µm; H, I. Volutopsius stefanssoni Dall, 1919; H. RNC 5038, Chukchi Sea, 42 m, 79.0 mm; I. Radula, RNC 4272, bar = 200 µm; J. Volutopsius stefanssoni var. simplex, RNC 4005, N of Shemya Island, 115 m, 99.6 mm; K–M. Crebrivolutopsius labidentatus n. sp. K. Holotype, CASIZ 137734, Petrel Bank, 213 m, 107.6 mm; L. RNC 4658, close-up of labial teeth, S of Amchitka Island, 388 m, 72.3 mm; M. Radula, RNC 4658, bar = 200 µm.