Subgenus (Agriodesma) W. H. Dall, 1909

(3-2-3-1-3-3-0-7-1-0-0-0-0)
Ref. Abbott, 1974 p 556
Keen, 1971 p 291
[see also as Genus]

brevifrons (G. B. Sowerby, 1834)
(3-2-3-1-3-3-0-7-1-1-0-0-0)
Ref. Keen, 1971 p 292 bw
[=Agriodesma brevifrons G. B. Sowerby, 1834]
Ref. Bernard, 1983 p 63

pictum (G. B. Sowerby, 1834)
(3-2-3-1-3-3-0-7-1-2-0-0-0)
Painted Entodesma, Picta Ugly Clam
Size 1"
Ref. Amer. Fish. Soc., 1988 p 47
Syn. ? Entodesma (Entodesma) scammoni W. H. Dall, 1871;
Lyonsia (Lyonsia) inflata T. A. Conrad, 1837
Ref. Abbott, 1974 p 556

saxicolum [saxicola] W. Baird, 1863 [T]
(3-2-3-1-3-3-0-7-1-3-0-0-0)
Northwest Ugly Clam, Rock Entodesma
Size 2"-5" long
Ref. Abbott, 1974 p 556
Abbott & Dance, 1982 p 373 c
Amer. Fish. Soc., 1988 p 47
Morris, 1966 p 47 bw

cylindracea P. P. Carpenter, 1864
(3-2-3-1-3-3-0-7-1-3-1-0-0)
[=Agriodesma saxicola (W. Baird, 1863)]
Ref. Bernard, 1983 p 63

truncatissimus H. A. Pilsbry, 1895
(3-2-3-1-3-3-0-7-1-3-2-0-0)
[=Agriodesma saxicola (W. Baird, 1863)]
Ref. Bernard, 1983 p 63

sechuranum [sechurana] H. A. Pilsbry & A. A. Olsson, 1935
(3-2-3-1-3-3-0-7-1-4-0-0-0)
Ref. Keen, 1971 p 292 bw
[=Agriodesma sechurana (H. A. Pilsbry & A. A. Olsson, 1935)]
Ref. Bernard, 1983 p 63