Ostrea virescens G.F. Angas, 1868 Queensland
Crassostrea virginica (J.F. Gmelin, 1791) Veracruz, Mexico85 mm
Lopha vulsa (FOSSIL) C. Chen, 1976 † China, Germu County
Ostrea waitangiensis (FOSSIL) J. Marwick, 1928 †
Ostrea walkeri (FOSSIL) Keeping, 1883 † UK, Cambridgeshire
Teskeyostrea weberi (A.A. Olsson, 1951) Florida
Lopha welleri (FOSSIL) Logan, 1899 † Kansas
Ostrea wiedenmayeri (FOSSIL) F. Hodson & al., 1927 † Venezuela, Falcón
Liostrea wiltonensis (FOSSIL) (J. Lycett, 1863 †) UK, England, Wiltshire
Ostrea wollastoni (FOSSIL) Finlay, 1927 †
Lopha wulanwulaensis (FOSSIL) Sha, 1995 † China, Germu County
Talonostrea zhanjiangensis (X. Wu,Q. Xiao & Z. Yu, 2013) China, Guandu, Zhanjiang
Ostrea zonulata (FOSSIL) S.V. Wood † UK, England, Hampshire