Subgenus (Eostrea) H. v. Ihering, 1907
(3-7-6-1-1-3-3-T2-11-2-0-0-0-0) Syn. (Anodontostrea) H. Suter, 1917; (Tiostrea) Chanley & Dinamani, 1980 Ref. Vaught, 1989 p 118