Genus Arvella P. Bartsch in O. A. Scarlato, 1960

(3-7-5-0-1-2-1-3-0-0-0-0-0)
Ref. Lindner, 1977 p 101
Vaught, 1989 p 116
Vokes, 1980 p 23
[see also as Subgenus under Genus Crenella]
Ref. Abbott, 1974 p 431