Sowerby, G. B. II. (1870-1871). Monograph of the genus
Ostraea. In:
Conchologia Iconica, or, illustrations of the shells of molluscous animals, vol. 18, pl. 1-33 and unpaginated text. L. Reeve & Co., London. [stated dates: pl. 2-5, October 1870; pl. 6-13, January 1871; pl. 14-16, February 1871; pl. 17-27, September 1871; pl. 1, 28-33, November 1871].