Subgenus (Psammacoma) W. H. Dall, 1900

(3-4-4-0-24-14-1-24-9-0-0-0-0)
Ref. Bernard, 1983 p 45
Keen, 1971 p 227
Lindner, 1977 p 112
Vaught, 1989 p 132
Syn. (Macoploma) H. A. Pilsbry & A. A. Olsson, 1941
Ref. Abbott, 1974 p 507
[see also as Genus]

acolasta W. H. Dall, 1921
(3-4-4-0-24-14-1-24-9-1-0-0-0)
Morsel Macoma
Ref. Amer. Fish. Soc., 1988 p 41
Syn. Macoma (Macoma) morroensis T. Burch, 1945
Ref. Abbott, 1974 p 507
Syn. Macoma (Macoma) acolasta W. H. Dall, 1921
Macoma (Macoma) morroensis J. Q. Burch, 1945
Ref. Bernard, 1983 p 45

brevifrons (T. Say, 1834)
(3-4-4-0-24-14-1-24-9-2-0-0-0)
Short Macoma
Ref. Abbott, 1974 p 507 d
Amer. Fish. Soc., 1988 p 41

candida (J. B. P. A. de Lamarck, 1818) [T]
(3-4-4-0-24-14-1-24-9-3-0-0-0)
Ref. Abbott, 1974 p 507

carlottensis J. F. Whiteaves, 1880
(3-4-4-0-24-14-1-24-9-4-0-0-0)
Syn. Macoma (Macoma) carlottensis J. F. Whiteaves, 1880;
Macoma (Macoma) inflatula W. H. Dall, 1897;
Macoma (Macoma) quadrana W. H. Dall, 1916
Ref. Bernard, 1983 p 45
Syn. Macoma (Macoma) inflatula W. H. Dall, 1897;
Macoma (Macoma) quadrana W. H. Dall, 1916
Ref. Keen, 1971 p 227 bw d

elytrum A. M. Keen, 1958
(3-4-4-0-24-14-1-24-9-5-0-0-0)
Syn. Macoma (Macoma) elongata S. C. T. Hanley, 1844 [not L. W. Dillwyn, 1823]
Ref. Abbott, 1974 p 507
Syn. Tellina (Tellina) elongata S. C. T. Hanley, 1844 [not L. W. Dillwyn, 1823]
Ref. Bernard, 1983 p 45
Keen, 1971 p 227 bw

grandis (S. C. T. Hanley, 1844)
(3-4-4-0-24-14-1-24-9-6-0-0-0)
Ref. Keen, 1971 p 229 bw
Syn. Tellina (Tellina) grandis S. C. T. Hanley, 1844
Ref. Bernard, 1983 p 45

hesperus W. H. Dall, 1908
(3-4-4-0-24-14-1-24-9-7-0-0-0)
Ref. Bernard, 1983 p 45
Keen, 1971 p 229 bw

inornata (S. C. T. Hanley, 1844)
(3-4-4-0-24-14-1-24-9-8-0-0-0)
Syn. Macoma (Macoma) hupeana W. H. Dall, 1908;
? Sanguinolaria (Sanguinolaria) anarctica J. Mabille & A. T. de Rochebrune in A. T. de Rochebrune & J. Mabille, 1889;
Tellina (Tellina) inornata S. C. T. Hanley, 1844
Ref. Bernard, 1983 p 45

lamproleuca (H. A. Pilsbry & H. N. Lowe, 1932)
(3-4-4-0-24-14-1-24-9-9-0-0-0)
Ref. Abbott, 1974 p 507
Syn. Macoma (Macoma) parthenopa H. A. Pilsbry & H. N. Lowe, 1932;
Tellina (Tellina) elongata authors [not S. C. T. Hanley, 1844];
Tellina (Tellina) lamproleuca H. A. Pilsbry & H. N. Lowe, 1932
Ref. Bernard, 1983 p 45
Syn. Macoma (Macoma) parthenopa H. A. Pilsbry & H. N. Lowe, 1932
Ref. Keen, 1971 p 229 d

leptonoidea W. H. Dall, 1895
(3-4-4-0-24-14-1-24-9-10-0-0-0)
Syn. Macoma (Macoma) leptonoidea W. H. Dall, 1895
Ref. Bernard, 1983 p 45

panamensis W. H. Dall, 1900
(3-4-4-0-24-14-1-24-9-11-0-0-0)
[=Macoma (Psammacoma) siliqua (C. B. Adams, 1852)]
Ref. Bernard, 1983 p 45

pulleyi Boyer, 1969
(3-4-4-0-24-14-1-24-9-12-0-0-0)
Pulley Macoma, Pulley's Macoma
Ref. Abbott, 1974 p 507 d
Amer. Fish. Soc., 1988 p 41

siliqua (C. B. Adams, 1852)
(3-4-4-0-24-14-1-24-9-13-0-0-0)
Syn. Macoma (Psammacoma) panamensis W. H. Dall, 1900;
Macoma (Psammacoma) siliqua spectri L. G. Hertlein & A. M. Strong, 1949;
Tellina (Tellina) siliqua C. B. Adams, 1852;
Thracia carnea O. A. L. Morch, 1861
Ref. Bernard, 1983 p 45
Syn. Macoma (Macoma) panamensis W. H. Dall, 1900;
Thracia carnea O. A. L. Morch, 1860
Ref. Keen, 1971 p 229

siliqua (C. B. Adams, 1852)
(3-4-4-0-24-14-1-24-9-13-1-0-0)
Ref. Keen, 1971 p 229 bw d

spectri L. G. Hertlein & A. M. Strong, 1949
(3-4-4-0-24-14-1-24-9-13-2-0-0)
Ref. Keen, 1971 p 229 bw
[=Macoma (Psammacoma) siliqua (C. B. Adams, 1852)]
Ref. Bernard, 1983 p 45

tageliformis W. H. Dall, 1900
(3-4-4-0-24-14-1-24-9-14-0-0-0)
Tageluslike Macoma, Tagelus-like Macoma, Tagelus Macoma
Ref. Abbott, 1974 p 507 d
Abbott & Dance, 1982 p 344 c
Amer. Fish. Soc., 1988 p 41

yoldiformis P. P. Carpenter, 1864
(3-4-4-0-24-14-1-24-9-15-0-0-0)
Yoldia-shaped Macoma, Yoldia Macoma
Ref. Abbott, 1974 p 507 bw
Amer. Fish. Soc., 1988 p 41
Syn. Macoma (Macoma) yoldiformis P. P. Carpenter, 1864
Ref. Bernard, 1983 p 45