Genus Irus F. C. Schmidt, 1818

(3-4-4-0-26-7-14-26-0-0-0-0-0)
Ref. Abbott & Dance, 1982 p 365
Bernard, 1983 p 55
Lindner, 1977 p 115
Syn. ? Notirus Finlay, 1928
Ref. Abbott, 1974 p 528
Keen, 1971 p 182
Syn. Irus L. Oken, 1815
Ref. Vaught, 1989 p 136