Invalid names: Exogyra auriformis Goldfuss 1833 [synonym], Exogyra bruntrutana Thurmann 1830 [synonym], Exogyra eminensis Reed 1927 [synonym], Exogyra fourtaui Stefanini 1925 [synonym], Exogyra spiralis Goldfuss 1833 [synonym], Exogyra vinassai Diaz-Romero 1931 [synonym], Gryphaea mima Phillips 1829 [synonym], Ostrea (Exogyra) quadrata Etallon 1893 [synonym], Ostrea spiralis Orbigny 1847 [synonym]