Subgenus (Tivela) H. F. Link, 1807
(3-4-4-0-26-7-9-7-3-0-0-0-0)
[see also as Genus]alternata R. E. C. Stearns, 1899
(3-4-4-0-26-7-9-7-3-1-0-0-0)
[=Tivela (Pachydesma) stultorum (J. Mawe, 1823)]
Ref. Bernard, 1983 p 53arguta E. Romer, 1865[1860]
(3-4-4-0-26-7-9-7-3-2-0-0-0)
[=Tivela (Tivela) delessertii (ex G. P. Deshayes, ms, G. B. Sowerby, 1854)]
Ref. Bernard, 1983 p 53
Keen, 1971 p 164aurora R. E. C. Stearns, 1899
(3-4-4-0-26-7-9-7-3-3-0-0-0)
[=Tivela (Pachydesma) stultorum (J. Mawe, 1823)]
Ref. Bernard, 1983 p 53biradiata R. E. C. Stearns, 1899
(3-4-4-0-26-7-9-7-3-4-0-0-0)
[=Tivela (Pachydesma) stultorum (J. Mawe, 1823)]
Ref. Bernard, 1983 p 53biserialis R. E. C. Stearns, 1899
(3-4-4-0-26-7-9-7-3-5-0-0-0)
[=Tivela (Pachydesma) stultorum (J. Mawe, 1823)]
Ref. Bernard, 1983 p 53crassatelliodes T. A. Conrad, 1837
(3-4-4-0-26-7-9-7-3-6-0-0-0)pauciradiata R. E. C. Stearns, 1899
(3-4-4-0-26-7-9-7-3-6-1-0-0)
[=Tivela (Pachydesma) stultorum (J. Mawe, 1823)]
Ref. Bernard, 1983 p 53duplicata R. E. C. Stearns, 1899
(3-4-4-0-26-7-9-7-3-7-0-0-0)
[=Tivela (Pachydesma) stultorum (J. Mawe, 1823)]
Ref. Bernard, 1983 p 53eccentrica R. E. C. Stearns, 1899
(3-4-4-0-26-7-9-7-3-8-0-0-0)
[=Tivela (Pachydesma) stultorum (J. Mawe, 1823)]
Ref. Bernard, 1983 p 53interrupta R. E. C. Stearns, 1899
(3-4-4-0-26-7-9-7-3-9-0-0-0)
[=Tivela (Pachydesma) stultorum (J. Mawe, 1823)]
Ref. Bernard, 1983 p 53luteobrunnea R. E. C. Stearns, 1899
(3-4-4-0-26-7-9-7-3-10-0-0-0)
[=Tivela (Pachydesma) stultorum (J. Mawe, 1823)]
Ref. Bernard, 1983 p 53multiradiata R. E. C. Stearns, 1899
(3-4-4-0-26-7-9-7-3-11-0-0-0)
[=Tivela (Pachydesma) stultorum (J. Mawe, 1823)]
Ref. Bernard, 1983 p 53ochracea R. E. C. Stearns, 1899
(3-4-4-0-26-7-9-7-3-12-0-0-0)
[=Tivela (Pachydesma) stultorum (J. Mawe, 1823)]
Ref. Bernard, 1983 p 53purpureochocolata R. E. C. Stearns, 1899
(3-4-4-0-26-7-9-7-3-13-0-0-0)
[=Tivela (Pachydesma) stultorum (J. Mawe, 1823)]
Ref. Bernard, 1983 p 53serialis R. E. C. Stearns, 1899
(3-4-4-0-26-7-9-7-3-14-0-0-0)
[=Tivela (Pachydesma) stultorum (J. Mawe, 1823)]
Ref. Bernard, 1983 p 53triradiata R. E. C. Stearns, 1899
(3-4-4-0-26-7-9-7-3-15-0-0-0)
[=Tivela (Pachydesma) stultorum (J. Mawe, 1823)]
Ref. Bernard, 1983 p 53triserialis R. E. C. Stearns, 1899
(3-4-4-0-26-7-9-7-3-16-0-0-0)
[=Tivela (Pachydesma) stultorum (J. Mawe, 1823)]
Ref. Bernard, 1983 p 53uniradiata R. E. C. Stearns, 1899
(3-4-4-0-26-7-9-7-3-17-0-0-0)
[=Tivela (Pachydesma) stultorum (J. Mawe, 1823)]
Ref. Bernard, 1983 p 53