Subgenus (Symmorphomactra) W. H. Dall, 1894

(3-4-4-0-21-3-2-92-10-0-0-0-0)
Ref. Abbott, 1974 p 490
Bernard, 1983 p 40
Lindner, 1977 p 111
Vaught, 1989 p 130
[see also as Genus]

falcata (A. A. Gould, 1850) [T]
(3-4-4-0-21-3-2-92-10-1-0-0-0)
Hooked Mactra, Hooked Surf Clam, Hooked Surfclam
Ref. Abbott, 1974 p 490 bw
Abbott & Dance, 1982 p 335 c
Amer. Fish. Soc., 1988 p 40
Syn. Mactra (Mactra) falcata A. A. Gould, 1850;
Mactra (Mactra) planulata authors [not T. A. Conrad, 1837]
Ref. Bernard, 1983 p 40