Subgenus (Simomactra) W. H. Dall, 1894

(3-4-4-0-21-3-2-41-18-0-0-0-0)
Ref. Abbott, 1974 p 488
Bernard, 1983 p 39
Vaught, 1989 p 130

dolabriformis (T. A. Conrad, 1867) [T]
(3-4-4-0-21-3-2-41-18-1-0-0-0)
Hatchet Surf Clam
Ref. Abbott, 1974 p 488 d
Syn. Spisula (Spisula) dolabriformis T. A. Conrad, 1867
Ref. Bernard, 1983 p 39

hoffstetteri M. Cauquoin, 1969
(3-4-4-0-21-3-2-41-18-2-0-0-0)
Ref. Bernard, 1983 p 39