Genus CYTHEROPTERON Sars, 1866

54. C. cf. arcuatum (Brady, Crosskey & Robertson, 1874) sensu Cronin & Ikeya, 1987 ­ Schornikov, 1996: 40; 2000: 185.

55. C. sp. 1 ­ Schornikov & Chavtur, 2001: 96; 2002: 99; Schornikov & Zenina, 2004b: 218.