E. R.  Trueman, ?Adaptive morphology in paleoecological interpretation?, in Approaches to paleoecology, J.  Imbrie and Newell, N. D., Eds. New York: Wiley, 1964, pp. 45-74.

R. D. K.  Thomas, ?Functional morphology, ecology, and evolutionary conservatism in the Glycymerididae (Bivalvia)?, Palaeontology, vol. 18, pp. 217-254, 1975.

R. D. K.  Thomas, ?Limits to opportunism in evolution of Arcoida (Bivalvia)?, Philosophical Transactions of the Royal Society of London, Series B, vol. 284, pp. 335-344, 1978.

R. D. K.  Thomas, ?Shell form and ecological range of living and extinct Arcoida?, Paleobiology, vol. 4, pp. 181-194, 1978.

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.

S. M.  Stanley, ?Aspects of the adaptive morphology and evolution of the Trigoniidae?, Philosophical Transactions of the Royal Society of London Series B-Biological Sciences, vol. 284, pp. 247-258, 1978.

S. M.  Stanley, ?Adaptive morphology of the shell in bivalves and gastropodes?, in Form and function, vol. 11, E. R.  Trueman and Clarcke, M. R., Eds. New York: Academic Press, 1988, pp. 105-141.

A.  Seilacher, ?Fabricational noise in adaptive morphology?, Systematic Zoology, vol. 22, pp. 451-465, 1973.

D.  Schluter, Price, T., Mooers, A. Ø., and Ludwig, D., ?Likelihood of ancestor atates in adaptive radiation?, Evolution, vol. 51, pp. 1699-1711, 1997.

E.  Savazzi and Peiyi, Y., ?Some morphological adaptations in freshwater bivalves?, Lethaia, vol. 25, pp. 195-209, 1992.

E.  Savazzi, ?Adaptive significance of shell torsion in mytilid bivalves?, Palaeontology, vol. 27 (Part 2), pp. 307-314, 1984.

E.  Savazzi, ?Geometric and functional constraints on bivalve shell morphology?, Lethaia, vol. 20, pp. 293-306, 1987.

P. H.  Kelley and Swann, C. T., ?Functional significance of preserved color patterns of mollusks from the Gosport Sand (Eocene) of Alabama?, Journal of Paleontology, vol. 62, pp. 83-87, 1988.

S. B.  Heard and Hauser, D. L., ?Key innovations and their ecological mechanisms?, Historical Biology, vol. 10, pp. 151-173, 1995.

S. J.  Gould and Lewontin, R. C., ?The spandrels of San Marco and the Panglossian paradigm: a critique of the adaptationist programme?, Proceedings of the Royal Society of London. Series B, vol. 205, pp. 581-598, 1979.