M. L.  Zelditch, Swiderski, D. L., Sheets, H. D., and Fink, W. L., Geometric morphometrics for biologists: a primer. London: Elsevier, 2004, p. 443.

D. E.  Slice, ?Geometric morphometrics?, Annual Review of Anthropology, vol. 36, pp. 261-281 , 2007.

S. A.  Schaefer and Lauder, G. V., ?Testing historical hypotheses of morphological change: biomechanical decoupling in loricarioid catfishes?, Evolution, vol. 50, pp. 1661-1675, 1996.

F. J.  Rohlf, ?On the use of shape spaces to compare morphometric methods?, Hystrix, Italian J. Mammology (n.s.), vol. 11, pp. 9-25, 2000.

F. J.  Rohlf and Bookstein, F. L., Proceedings of the Michigan morphometrics workshop, vol. Special Publ. No. 2. 1990, p. 380.

F. J.  Rohlf, Loy, A., and Corti, M., ?Morphometric analysis of Old World Talpidae (Mammalia, Insectivora) using partial warp scores?, Systematic Biology, vol. 45, pp. 344-362, 1996.

R. A.  Reyment, ?Evolution of shape in Oligocene and Miocene Notocarinovalva (Ostracoda, Crustacea): a multivariate statistical study?, Bulletin of Mathematical Biology, vol. 59, pp. 63-87, 1997.

P.  O'Higgins, ?The study of morphological variation in the hominid fossil record: biology, landmarks and geometry?, Journal of Anatomy, vol. 197, pp. 103-120, 2000.

R. H.  Nehm, ?The dynamics of evolutionary stasis and change in the 'Prunum maoense Group'?, in Evolutionary stasis and change in the Dominican Republic Neogene, R. H.  Nehn and Budd, A. F., Eds. Springer, 2008, pp. 171-191.

N.  MacLeod, ?Shape models as a basis for morphological analysis in paleobiological systematics: dicotyledonous leaf physiography?, Submitted.

N.  MacLeod, ?Generalizing and extending the eigenshape method of shape space visualization and analysis?, Paleobiology, vol. 25, pp. 107-138, 1999.