Subgenus (Subninella) J. Thiele, 1929
(5-4-1-3-2-12-5-13-22-0-0-0-0) Ref. Lindner, 1977 p 39 Vaught, 1989 p 11 [see also as Genus] ? undulata (J. Lightfoot) (5-4-1-3-2-12-5-13-22-1-0-0-0) Ref. Kaicher, 1988 #5313 bw
(5-4-1-3-2-12-5-13-22-0-0-0-0) Ref. Lindner, 1977 p 39 Vaught, 1989 p 11 [see also as Genus]
? undulata (J. Lightfoot) (5-4-1-3-2-12-5-13-22-1-0-0-0) Ref. Kaicher, 1988 #5313 bw