Genus Halicardia W. H. Dall, 1895

(3-2-4-0-2-3-0-4-0-0-0-0-0)
Ref. Abbott & Dance, 1982 p 375
Amer. Fish. Soc., 1988 p 49
Morris, 1973 p 106
Syn. Halicardissa W. H. Dall, 1913
Ref. Abbott, 1974 p 563
Keen, 1971 p 303
Syn. Haloconcha W. H. Dall, 1900 [authors]
Ref. Vaught, 1989 p 141
Vokes, 1980 p 213

flexuosa (A. E. Verrill & S. Smith, 1881) [T]
(3-2-4-0-2-3-0-4-0-1-0-0-0)
Flexed Sea-heart Clam, Flexed Verticord
Size 1.25" long
Ref. Morris, 1973 p 106 bw
Syn. Mytilimeria flexuosa A. E. Verrill & S. Smith, 1881
Ref. Abbott, 1974 p 563,4 bw

gouldi W. H. Dall, P. Bartsch & H. A. Rehder, 1938
(3-2-4-0-2-3-0-4-0-2-0-0-0)
Gould's Halicardia
Size 1.3"
Ref. Abbott & Dance, 1982 p 375 c

perplicata (W. H. Dall, 1890)
(3-2-4-0-2-3-0-4-0-3-0-0-0)
Ref. Abbott, 1974 p 564
Keen, 1971 p 303 d