Genus Callumbonella J. Thiele, 1924

(5-4-1-3-2-11-13-3-0-0-0-0-0)
Ref. Lindner, 1977 p 37
Syn. Umbotrochus J. Thiele, 1914, not Perner, 1953
Ref. Vaught, 1989 p 10