Leptochiton batialis Sirenko, 1979

Leptochiton batialis Sirenko 1979: 118, figs 1–12; Kaas & Van Belle 1985: 109 –110, fig.47, map 33.

Types. Holotype (ZISP 1858) and 6 paratypes (ZISP 1859).

Type locality. East of Honshu Island., Japan, 40°12’– 40°19’N, 143°35’– 143°35’E, 2400–2720 m Material examined. Holotype (ZISP 1858) and 6 paratypes (ZISP 1859); R/V Odissey, dredge, 44°48.5’N, 149°31’E, 1100–1200 m, sand, pebbles, 3 spms, 25.07.1984, leg. B. Sirenko; R/V Vitjas, st. 4179, 42°40’N, 124°59.6’W, 1233–1258 m, silty mud, 3 spms, 1958; LACM, SNP- 1, st. 23, between Isla Lobos de Afuera and Isla Lobos de Tierra, Peru, 6°42’S, 80°47’W, 1090–1100 m, 3 spms, January, 22, 1974, leg. James McLean. Distribution. Honshu Island. (Japan); Iturup Island. (Kurile Islands), 44°48.5’N, 149°31’E; Oregon (USA), 43°N, 124°59.6’W; Peru, 6°42’S, 80°47’W, 1100–2400 m.