Subgenus (Grandiarca) A. A. Olsson, 1961

(3-7-3-0-1-1-1-2-8-0-0-0-0)
Ref. Abbott, 1974 p 423
Bernard, 1983 p 15
Keen, 1971 p 46
Vaught, 1989 p 115
[see also as Genus]

grandis (W. J. Broderip & G. B. Sowerby, 1829) [T]
(3-7-3-0-1-1-1-2-8-1-0-0-0)
Grand Ark
Ref. Abbott, 1974 p 423 bw
Abbott & Dance, 1982 p 292 c
Syn. Arca (Arca) grandis W. J. Broderip & G. B. Sowerby, 1829;
Arca (Arca) larkinii E. T. Nelson, 1870;
Arca (Arca) quadrilatera G. B. Sowerby, 1833
Ref. Bernard, 1983 p 15
Syn. Arca (Arca) quadrilatera G. B. Sowerby, 1833
Ref. Keen, 1971 p 46 bw