Genus HEMICYTHERURA Elofson, 1941

69. H. cavata (Hu, 1981) ­ Schornikov & Chavtur, 2001: 95; 2002: 98; Schornikov & Zenina, 2004b: 218.

70. H. aff. clathrata (Sars, 1866) ­ Schornikov, 1996: 40 (H. aff. clatrata (sic.); Schornikov, 2000: 185 (H. aff. clatrata (sic).

71. * H. kajiyamai Hanai, 1957 c ­ Aladin, 1987: 820; Schornikov & Chavtur, 2001: 95; 2002: 98; Schornikov & Zenina, 2004b: 218.

Remarks. Soft part structures of this species were described by Kajiyama (1913):4, pl.

1, figs. 19–25, who determined it as Cytheropteron videns Müller, 1894 .

72. * H. tricarinata Hanai, 1957c ­ Gvozdeva et al., 1997: 28; Zenina, 2003: 44. Remarks. Soft part structures were described by Okubo 1980a:16–18, figs. 1e, f, 2i –1, 6a–k.

73. * H. sp. = H. kajiyamai Hanai, 1957c sensu Okubo, 1980a, part. ­ Aladin, 1987: 820; Gvozdeva et al., 1997: 28; Schornikov & Chavtur, 2001: 95; 2002: 98; Zenina, 2003: 44; Schornikov & Zenina, 2004b: 218, figs. 4 (9, 10).

Remarks. Soft part structures of this species were described by Okubo 1980a:16, figs, 1c, d, 2e–h, 5, who determined it as H. kajiyamai Hanai, 1957 c.