Subgenus (Monia) J. E. Gray, 1850

(3-7-6-2-1-1-0-40-2-0-0-0-0)
Ref. Bernard, 1983 p 27
Keen, 1971 p 103
Lindner, 1977 p 104
Syn. Monica G. Coen, 1933, not H. & A. Adams, 1855
Ref. Vaught, 1989 p 120
[see also as Genus]

cepio (J. E. Gray, 1850)
(3-7-6-2-1-1-0-40-2-1-0-0-0)
Pacific Falsejingle
Ref. Amer. Fish. Soc., 1988 p 27
Keen, 1971 p 103 d
Syn. Placunanomia alope J. E. Gray, 1850;
Placunanomia cepio J. E. Gray, 1850
Ref. Bernard, 1983 p 27

macrochisma (G. P. Deshayes, 1839)
(3-7-6-2-1-1-0-40-2-2-0-0-0)
Alaska Falsejingle
Ref. Amer. Fish. Soc., 1988 p 27
Syn. Anomia (Anomia) denticostulata M. Yokoyama, 1925;
Anomia (Anomia) macrochisma G. P. Deshayes, 1839;
Anomia (Anomia) patelliformis authors, not C. v. Linne, 1767;
Pododesmus (Pododesmus) macroschismus ezoanus K. Kanehara, 1942;
Pododesmus (Pododesmus) newcombei Clark & R. Arnold, 1923
Ref. Bernard, 1983 p 28

macrochisma (G. P. Deshayes, 1839)
(3-7-6-2-1-1-0-40-2-2-1-0-0)
Ref. Keen, 1971 p 103