Waller, T. R. (1969). The evolution of the Argopecten gibbus stock (Mollusca: Bivalvia), with emphasis on the Tertiary and Quaternary species of eastern North America. Journal of Paleontology. 43(S3: Paleontological Society Memoir 3): 1-125.
The evolution of the <i>Argopecten gibbus</i> stock (Mollusca: Bivalvia), with emphasis on the Tertiary and Quaternary species of eastern North America