Subgenus (Atrina) J. E. Gray, 1842

(3-7-5-0-2-1-0-1-1-0-0-0-0)

alta (G. B. Sowerby, 1835)
(3-7-5-0-2-1-0-1-1-1-0-0-0)
[=Atrina (Servatrina) seminuda (J. B. P. A. de Lamarck, 1819)]
Ref. Abbott, 1974 p 439

dorbignyi (L. A. Reeve, 1858)
(3-7-5-0-2-1-0-1-1-2-0-0-0)
[=Atrina (Servatrina) seminuda (J. B. P. A. de Lamarck, 1819)]
Ref. Abbott, 1974 p 439

japonica L. A. Reeve
(3-7-5-0-2-1-0-1-1-3-0-0-0)
[=Atrina (Servatrina) pectinata (C. v. Linne, 1767)]
Ref. Abbott & Dance, 1982 p 300

listeri (A. Orbigny, 1846)
(3-7-5-0-2-1-0-1-1-4-0-0-0)
[=Atrina (Servatrina) seminuda (J. B. P. A. de Lamarck, 1819)]
Ref. Abbott, 1974 p 439
Syn. Pinna (Pinna) listeri A. Orbigny, 1846
Ref. Bernard, 1983 p 22

nigra L. W. Dillwyn
(3-7-5-0-2-1-0-1-1-5-0-0-0)
[=Atrina (Atrina) vexillum (I. Born, 1778)]
Ref. Abbott & Dance, 1982 p 300

oldroydii W. H. Dall, 1901
(3-7-5-0-2-1-0-1-1-6-0-0-0)
Oldroyd Penshell
Ref. Amer. Fish. Soc., 1988 p 25
Keen, 1971 p 75 d
[=Atrina (Servatrina) maura (G. B. Sowerby, 1835)]
Ref. Abbott, 1974 p 439
Syn. Pinna (Pinna) saccata authors, not C. v. Linne, 1758
Ref. Bernard, 1983 p 22

patagonica (A. Orbigny, 1846)
(3-7-5-0-2-1-0-1-1-7-0-0-0)
[=Atrina (Servatrina) seminuda (J. B. P. A. de Lamarck, 1819)]
Ref. Abbott, 1974 p 439
Abbott & Dance, 1982 p 300

ramulosa (L. A. Reeve, 1858)
(3-7-5-0-2-1-0-1-1-8-0-0-0)
[=Atrina (Servatrina) seminuda (J. B. P. A. de Lamarck, 1819)]
Ref. Abbott, 1974 p 439

rigida L. W. Dillwyn
(3-7-5-0-2-1-0-1-1-9-0-0-0)
[=Atrina (Atrina) rigida (J. Lightfoot, 1786)]
Ref. Abbott & Dance, 1982 p 300

rigida (J. Lightfoot, 1786)
(3-7-5-0-2-1-0-1-1-10-0-0-0)
Stiff Pen Shell, Stiff Penshell
Ref. Abbott, 1974 p 438 bw
Amer. Fish. Soc., 1988 p 25
Syn. Atrina (Atrina) rigida L. W. Dillwyn
Ref. Abbott & Dance, 1982 p 300 c

subviridis (L. A. Reeve, 1858)
(3-7-5-0-2-1-0-1-1-11-0-0-0)
[=Atrina (Servatrina) seminuda (J. B. P. A. de Lamarck, 1819)]
Ref. Abbott, 1974 p 439

tenuis T. Habe
(3-7-5-0-2-1-0-1-1-12-0-0-0)
[=Atrina (Atrina) vexillum (I. Born, 1778)]
Ref. Abbott & Dance, 1982 p 300

tuberculosa (G. B. Sowerby, 1835)
(3-7-5-0-2-1-0-1-1-13-0-0-0)
Tuberculate Pen Shell, Tuberculose Pen Shell
Ref. Abbott, 1974 p 439 bw
Abbott & Dance, 1982 p 300 c
Keen, 1971 p 75 bw
Syn. Pinna (Pinna) tuberculosa G. B. Sowerby, 1835
Ref. Bernard, 1983 p 22

vexillum (I. Born, 1778) [T]
(3-7-5-0-2-1-0-1-1-14-0-0-0)
Indo-Pacific Pen Shell
Ref. Abbott, 1974 p 438
Lindner, 1977 pl 53 c
Syn. Atrina (Atrina) nigra L. W. Dillwyn;
Atrina (Atrina) tenuis T. Habe
Ref. Abbott & Dance, 1982 p 300 c

zelandica
(3-7-5-0-2-1-0-1-1-15-0-0-0)
Horse Mussel
Ref. Penniket, 1970 p 74 c