Genus Osteodesma G. P. Deshayes, 1830 of authors [not H. M. D. de Blainville, 1825]

(3-2-3-1-3-3-0-23-0-0-0-0-0)
Ref. Vokes, 1980 p 256
[=Lyonsia W. H. Turton, 1822]
Ref. Abbott, 1974 p 554
Vaught, 1989 p 140 a

eruginosa J. W. Mighels, 1844
(3-2-3-1-3-3-0-23-0-1-0-0-0)
[=Lyonsia (Lyonsia) arenosa (H. P. C. Moller, 1842)]
Ref. Bernard, 1983 p 63

bracteata A. A. Gould, 1850
(3-2-3-1-3-3-0-23-0-2-0-0-0)
[=Lyonsia (Lyonsia) bracteata (A. A. Gould, 1850)]
Ref. Bernard, 1983 p 63

nitidum A. A. Gould, 1853 [not Mya nitida O. Fabricius, 1798]
(3-2-3-1-3-3-0-23-0-3-0-0-0)
[=Lyonsia (Lyonsia) californica T. A. Conrad, 1837]
Ref. Bernard, 1983 p 63
[=Lyonsia (Lyonsia) gouldii W. H. Dall, 1915]
Ref. Keen, 1971 p 291