S. M.  Stanley, ?Adaptive themes in the evolution of the Bivalvia (Mollusca)?, Annual Review of Earth and Planetary Sciences, vol. 3, pp. 361-385, 1975.

A. B.  Smith and Peterson, K. J., ?Dating the time of origin of major clades: molecular clocks and the fossil record?, Annual Review of Earth and Planetary Sciences, vol. 30, pp. 65-88, 2002.