Subgenus (Mactroderma) W. H. Dall, 1894

(3-4-4-0-21-3-2-41-11-0-0-0-0)
Ref. Bernard, 1983 p 39
Keen, 1971 p 202
Lindner, 1977 p 111
Vaught, 1989 p 130
[see also as Genus]

paitensis R. A. Philippi, 1893
(3-4-4-0-21-3-2-41-11-1-0-0-0)
Syn. Mactra (Mactra) paitensis R. A. Philippi, 1893;
Mactra (Mactra) velata authors [not R. A. Philippi, 1849]
Ref. Bernard, 1983 p 39

velata R. A. Philippi, 1849
(3-4-4-0-21-3-2-41-11-2-0-0-0)
Ref. Keen, 1971 p 202 bw
Syn. Mactra (Mactra) velata R. A. Philippi, 1849
Ref. Bernard, 1983 p 39